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1184
Trace chemical or biological elements can be accurately detected and monitored in the field or at the point of care through use of this new quick, cost-effective platform technology based on a hybrid chemical-electronic detector. Analytes can be measured according to the electrical current changes they...

Trace chemical or biological elements can be accurately detected and monitored in the field or at the point of care through use of this new quick, cost-effective platform technology based on a hybrid chemical-electronic detector. Analytes can be measured according to the electrical current changes they induce with high specificity and accuracy at parts-per-billion (ppb) levels.

Applications


Transducer which may be developed to suite: Medical diagnostics: point of care, real time diagnostics of chemical and biological substances. Environmental watch: monitoring air or water pollution, testing for food poisoning. Chemical warfare: detection of chemical agents and explosives. Industry: monitoring industrial processes at real time.

Technology's Essence


Researchers at the Weizmann Institute have developed a platform technology based on novel hybrid chemical-electronic detector MOCSER (MOlecular Controlled SEmiconductor Resistor). The technology is based on a new type of a Gallium Arsenide (GaAs) electronic device covered with a monolayer of sensing molecules. The detection is achieved by measuring the current changes created due to analyte binding. The researchers have succeeded in showing high sensitivity and accuracy of the device down to parts per billion (ppb) levels. They have also demonstrated the possibility for broad applications of this detector by tailoring different sensing molecules on it and measuring various substances.

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  • Prof. Ron Naaman
  • Prof. David Cahen
1265
A Novel water treatment method capable of handling a wide spectrum of pollutants, both organic and metallic was developed by the group of Prof. Berkowitz and proven in large scale. The combination of ever-growing contamination from various sources (industry, agriculture and domestic uses), the toxicity...

A Novel water treatment method capable of handling a wide spectrum of pollutants, both organic and metallic was developed by the group of Prof. Berkowitz and proven in large scale.

The combination of ever-growing contamination from various sources (industry, agriculture and domestic uses), the toxicity of contaminating compounds, and their extreme persistence in the environment, define a complex challenge and serious threat. Feasible technological responses to deal with growing deterioration in water resource quality are difficult to develop, largely because of the wide variety of contaminants having different properties, the stringent environmental standards that must be met, and the inherent heterogeneity of natural aquatic systems. The quest for cost-effective, environmentally-acceptable methods that can target a wide spectrum of contaminants, in situ and ex situ, is urgent and critical today more than ever.

The approach of the technology presented here is to reduce their oxidation state, i.e., to transform them electrochemically. In most cases, complete transformation of contaminants from the oxidized-organic group produces environmentally innocuous compounds, while reduction of heavy metals renders them insoluble and immobile, and therefore much less harmful. These treatment methods can be applied both in situ and ex situ for decontamination of soils, sediments, water, wastewater and gaseous process streams.

Applications


•           Polluted water and wastewater treatment.

•           Soil decontamination.

•           Gaseous process stream treatment.


Advantages


•           Environmentally friendly output.

•           Cost effective.

•           Can be applied in situ as well as ex situ.


Technology's Essence


The treatment method presented here is based on nanosized zerovalent iron (nZVI) particles and cyanocobalamine (vitamin B12) on a diatomite matrix.  Cyanocobalamine is known to be an effective electron mediator, having strong synergistic effects with nZVI for reductive dehalogenation reactions. This composite material also improves the reducing capacity of nZVI by preventing agglomeration of iron nanoparticles, thus increasing their active surface area. The porous structure of the diatomite matrix allows

high hydraulic conductivity, which favors channeling of contaminated water to the reactive surface of the composite material resulting in faster rates of remediation. The composite material rapidly degrades or transforms completely a large spectrum of water contaminants, including halogenated solvents like TCE, PCE, and cis-DCE, pesticides like alachlor, atrazine and bromacyl, and common ions like nitrate, within minutes to hours.

 

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  • Prof. Brian Berkowitz
1392
A catalytic based reaction for the treatment of industrial waste water. Millions of tons of organic chemical compounds - including solvents, petrochemicals, agrochemicals, and pharmaceuticals - are produced every year by a wide variety of chemical industries. Two immediate problems arise: 1. Industrial...

A catalytic based reaction for the treatment of industrial waste water. Millions of tons of organic chemical compounds - including solvents, petrochemicals, agrochemicals, and pharmaceuticals - are produced every year by a wide variety of chemical industries. Two immediate problems arise: 1. Industrial production of these chemicals and/or other products leads to effluent streams - highly toxic, contaminated aqueous solutions - from factories. These effluents must be treated prior to release of the water back into the environment. 2. Following use, these chemicals (e.g., agrochemicals, pharmaceuticals) become serious pollutants as they eventually find their way into the soil, sediment, and surface and/or groundwater environments. Current treatment methods are severely limited. Treatment of effluent streams by, e.g., filtration, photocatalysis, or bioreactors is often highly ineffective - the waste compounds not being easily captured, degraded or transformed - and/or prohibitively expensive.

Applications


  • Detoxification of industrial effluents, especially from petrochemical, agrochemical and pharmaceutical industries 
  • Waste water decontamination 
  • In situ and ex situ remediation of water polluted by organic and other contaminants

Advantages


  • Cost efficient
  • Quick

Technology's Essence


Researchers at the Weizmann Institute of Science have developed a new process for degradation and/or treatment of practically any organic contaminant in aqueous solutions under oxidizing (aerobic) conditions. A suite of catalytic materials has been developed which allows both in situ and ex situ remediation of polluted water by oxidative chemical degradation of contaminants. The technology eliminates or reduces a broad range of water pollutants - industrial organic solvents, petrochemicals, agrochemicals and pharmaceuticals (e.g., endocrine disruptors such as antiobiotics and hormones) - and is particularly effective for treating concentrated industrial effluents, under technically convenient conditions. The reaction products consist essentially of benign materials.

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  • Prof. Brian Berkowitz
1394
An efficient method to reduce CO2 concentration. Climate change is one of the most urgent subjects worldwide, with implications affecting the entire population of the planet. One of the major aspects influencing global warming is the emission of greenhouse gases to the atmosphere. Most of the...

An efficient method to reduce CO2 concentration. Climate change is one of the most urgent subjects worldwide, with implications affecting the entire population of the planet. One of the major aspects influencing global warming is the emission of greenhouse gases to the atmosphere. Most of the greenhouse gases emitted due to human activity are related to burning of fossil fuels (e.g., coal, oil, gasoline, natural gas) with the major component being CO2. Furthermore, increased CO2 emissions (due to increased world energy consumption) are expected as the living standard improves in many parts of the world. Consequently, to enable drastic reductions in CO2 emissions it is becoming necessary to capture and sequester CO2. The outlined technology involves a simple precipitation reaction using CO2 to form a stable and inert carbonate compound using that can be stored or discarded.

Applications


  • In situ and ex situ CO2 sequestration, by conversion to carbonate rock
  • In subsurface systems, carbonate precipitation can reduce hydraulic conductivity, thus mitigating movement of saltwater or groundwater contaminants

Advantages


  • Long term stability
  • Vast capacity of field sites
  • Potentially economically viable
  • Potential for treatment of waste air and flue gases
  • May overcome the problem of CO2 escape during or after sequestration

Technology's Essence


This technology consists of a new method for sequestering CO2 in subsurface geological formations, by converting it into a stable mineral form. CO2 in water results in chemical equilibrium with bicarbonate (HCO3-) and carbonic acid (CO32-). This equilibrium is very sensitive to changes in pH, thus under basic conditions equilibrium considerations favor precipitation of HCO3- and CO32- as carbonate minerals, while under acidic conditions there is release of CO2 by dissolution and dissociation of carbonates. The method can also be adapted for above-ground operation.

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  • Prof. Brian Berkowitz
1506
A simple electrochemical method and apparatus for the continues production of CO (carbon monoxide) from CO2 as chemical storage for electrical energy and a basic material for further organic products. Constant progress is made in solar and wind alternative energy production. Unfortunately, these...

A simple electrochemical method and apparatus for the continues production of CO (carbon monoxide) from CO2 as chemical storage for electrical energy and a basic material for further organic products.

Constant progress is made in solar and wind alternative energy production. Unfortunately, these systems are weather and time-dependent. Additionally, most of the geographic areas best suited for harvesting these resources are remote from population centers. Therefore the need for a reliable method to store and transport renewable energy is clear.

CO can be easily converted into methanol, which is one of the major chemical raw materials and can by itself be used as fuel for diesel engines and the energy source for direct methanol fuel cells (DMFC).

At present no reliable method of CO2 to CO reduction is available. Either using low temperatures which leads to low thermodynamic efficiency (<60%), Requires precious metals for electrodes and results in toxic byproducts, or using high temperatures which Requires pure CO2 input and Produces a mixture of CO2 and CO.

The current technology describes an efficient, flexible, continues method for production of CO at high temperatures (900oC) without any byproducts or toxic materials.

Applications


  • Production of CO from CO2
  • Easy conversion into methanol

Advantages


·         No precious (Pt, Ag, Au, Pd) metals required

·         No hazardous chemicals involved, no pollution

·         Continuous operation is possible

·         One can use flue gas as a source

·         Capture of CO2 from air is possible

·         The system is very compact>20 kW/m3

·         Operation conditions are very flexible

·         The process fits existing infrastructure

·         CO can be easily converted into liquid fuel (CH3OH)


Technology's Essence


The outlined technology overcomes the basic problems of CO production by using molten Li2CO3 as the electrolyte, a Ti container (will not undergo corrosion), Ti cathode (does not catalyze decomposition of CO), and a graphite anode (no chemical reaction with Li2CO3). At 900°C and current density of 0.05-2 A/cm2, this unique system enables a thermodynamic efficiency close to 100%, continues production of CO – efficiently separating CO2 to CO and O2.

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  • Prof. Igor Lubomirsky
1536
Designer cellulosomes are synthetic multi-enzyme complexes that can degrade cellulosic biomass efficiently and economically. The goal of second generation biofuel production is to efficiently convert agricultural waste, algae and other cellulosic biomass into sugar monomers.   Cellulosic biomass...

Designer cellulosomes are synthetic multi-enzyme complexes that can degrade cellulosic biomass efficiently and economically. The goal of second generation biofuel production is to efficiently convert agricultural waste, algae and other cellulosic biomass into sugar monomers.

 

Cellulosic biomass pretreated (e.g. with acid) under ideal conditions, still requires very high enzyme doses to provide efficient bioconversion.

The cost of enzymes and pretreatment is a major hurdle in the production of low-cost cellulosic biofuel, competitive with that of fossil fuels or ethanol produced from corn or sugarcane.

 

The complex structure of cellulosic materials is built to resist bacterial hydrolytic enzymes. The cooperation of many types of carbohydrate-active enzymes is required for effective degradation. By designing synthetic cellulosomes, researchers at The Weizmann Institute enhance synergy between carbohydrate-active enzymes to achieve remarkable degradation rates. Their discoveries can lead to highly efficient conversion of cellulosic biomass, and thus have a major impact in the field of food production and sustainable energy.

Applications


  • High-yield, cost-effective conversion of plant cell wall biomass into soluble sugars for the food industry and the production of biofuels and biochemicals.

Advantages


  • Bio-engineered cellulosomes exhibit synergistic degradation activity of natural substrates compared to the combined action of the free wild-type enzymes.

Technology's Essence


The invention involves the conversion of enzymes (cellulases and xylanases) from the free mode to the cellulosmal mode by attachment using a recombinant dockerin molecule. The dockerin-bearing enzymes are incorporated into designer cellulosomes by interacting with a matching cohesion-containing chimeric scaffoldin (scaffoldin subunits contain the cohesin modules that incorporate the enzymes into the cellulosome complex via their resident dockerins). This approach has generated over two fold enhancement of synergistic hydrolysis on plant cell wall cellulosic biomass. These results create new possibilities for designing superior enzyme compositions for degradation of complex polysaccharides into simple soluble sugars.

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  • Prof. Edward A. Bayer
1551
A novel set of manganese, ruthenium and related borohydride complexes (Pincer-type) were developed as remarkably efficient and environmentally-benign catalysts for the synthesis of alcohols, amines, amides, imines and esters, which are the basic building blocks for the research, chemicals,...

A novel set of manganese, ruthenium and related borohydride complexes (Pincer-type) were developed as remarkably efficient and environmentally-benign catalysts for the synthesis of alcohols, amines, amides, imines and esters, which are the basic building blocks for the research, chemicals, pharmaceutical and agrochemical industries. In addition, a catalytic carbon-carbon bond formation using non-activated aliphatic nitriles and carbonyl compounds was achieved with the manganese complex. These reactions are conducted under mild and neutral conditions, using low catalyst loading, require no hydrogen acceptors or oxidants, employ no corrosive or toxic reagents and generate no waste. Moreover, manganese is one of the most abundant transition metals on earth crust, making it appealing and biocompatible when considering a system for eventual scale-up and industrial use.

In view of global concerns regarding economy, environment and sustainable energy resources, there is an urgent need for the discovery of new catalytic reactions. These newly developed catalysts address key problems of current traditional synthetic methodologies, both from the economic and the environmental aspects.

Applications


·         Pharmaceuticals

·         Dyes

·         Cosmetics and fragrances

·         Fibers

·         Agrochemicals


Advantages


·         Cost-effective in terms of reagents, reactions conditions (low temperature and pressure) and waste treatment (green reactions).

·         New synthetic pathways that were not possible before, such as the synthesis of amides and imines directly from alcohols and amines, esters synthesis from alcohols and methanol synthesis from CO2 and hydrogen.

·         Broad substrate scope.

·         Excellent yields.


Technology's Essence


Prof. David Milstein’s group has discovered a new mode of action for metal-ligand cooperation, involving aromatization–dearomatization of ligands. Pincer-type, pyridine-based complexes of Mn, Ir, Rh, Ru, Pd, Pt and acridine complexes of Ru have been shown to exhibit such cooperation, leading to facile activation of C-H, C-C, H-H, N-H, O-H bonds, and to novel, environmentally friendly reactions catalyzed by Mn and Ru.

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  • Prof. David Milstein
1564
A new recyclable size-selective filtration device. Particle size, chemical purity and dispersion of nanoparticles crucially determine their optical, electronic and chemical properties. Size-selective separation technologies are becoming increasingly important for the development of nanoparticles with...

A new recyclable size-selective filtration device.

Particle size, chemical purity and dispersion of nanoparticles crucially determine their optical, electronic and chemical properties. Size-selective separation technologies are becoming increasingly important for the development of nanoparticles with well-defined sizes, which have application in the fields of optoelectronic devices, biomedicine, materials, and catalysis.

Researchers at the Weizmann Institute have fabricated supramolecular ultrafiltration membranes that can be used for filtration and size-selective chromatography of nanoparticles. The membranes are composed of a self-assembled three-dimensional fibrous network that is held together by reversible non-covalent interactions.

The membranes are robust, easy to fabricate, and recyclable.

Applications


  • Size-selective separation of semiconductor and metal nanoparticles
  • Uniformity and monodispersity of nanoparticles in solution.
  • Size exclusion chromatography of nanoparticles in the sub-5-nm size regime.

Advantages


  • Efficient and inexpensive

  • Fast and easy fabrication

  • Recyclable

  • Self-assembled

  • Dual application regime: filtration and/or chromatography


Technology's Essence


The recyclable supramolecular membranes are formed from unique perylene derivatives that are large and flat aromatic molecules. These molecules are insoluble in water and form a 3-D network over a solid support, which can be used for the separation of nanoparticles.

The filters can be subsequently recycled from this mixture using an organic solvent (e.g. dichloromethane), which separates the membrane material from the water-soluble nanoparticles, and reused without loss of performance.

This material is hence highly attractive for application in the field of nanotechnology.

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  • Dr. Boris Rybtchinski
1577
A novel desulfurization system achieves removal of sulfur dioxide (SO2) from industrial exhaust streams at efficiencies that can greatly supersede technologies currently in use. The chemical process is highly selective to SO2, and consumes much less reagents, therefore reducing the cost of...

A novel desulfurization system achieves removal of sulfur dioxide (SO2) from industrial exhaust streams at efficiencies that can greatly supersede technologies currently in use. The chemical process is highly selective to SO2, and consumes much less reagents, therefore reducing the cost of desulfurization.Techniques to capture SO2 from coal-burning plants have not changed in nearly 40 years. Once implemented, the technology presented here can become significantly more efficient and environmentally friendly than existing techniques, since no slurry waste is created from the wet sorbents typically used to capture SO2.The novel system can selectively recycle SO2 into useful sulfur-based compounds which can be resold; utilizing a carbonate eutectic melt this procedure can also be aimed to generate elemental sulfur, an inert and non-toxic compound which can be stored long-term until required for further use.In a world anxious over climate change, yet in demand of more energy, solutions should have the capacity to be implemented quickly and incorporated into existing infrastructure. This technology offers the potential to tackle several problems with one simple solution.

Applications


Integrate into industrial fossil-fuel burning facilities which include:

  • Power plants
  • Cement factories
  • Steel foundries

Advantages


  • Implement into existing infrastructure and reduce reagents’ costs compared to current techniques
  • Significantly higher efficiency and elimination of hazardous waste by-products
  • Potential generation of revenue from recycled Sulfur waste.

Technology's Essence


The significant enhancement of this scrubbing technique is the sequentially operable scrubbing zone and regeneration zone, which communicate with one another via a molten eutectic mixture of lithium, sodium and potassium carbonates. In the scrubbing zone, an ingress flue gas interacts with the molten carbonates, resulting in chemical absorbance of the SO2 and in discharge of reaction gases. In the regeneration zone, either chemical or electrochemical melt regeneration takes place resulting in formation of sulfur containing vapor which is cooled down for converting the sulfur-containing vapor into a liquid and solid phase for a further collection and utilization.The technology developed by Prof. Igor Lubomirsky and his team introduces three essential improvements over past techniques: (i) the removal of sulfate from the melt is achieved at expected operating temperatures of an industrial scrubbing tower (480-550°C), which drastically reduces corrosion of metal components, (ii) the reduction of sulfates by CO gas rather than by carbon powder represents a simpler, one-step process, which results in a high reduction rate and allows for the reaction chamber to be small (few tens of m3 for a 1GW coal plant), and (iii) the removal of sulfate in the form of COS, rather than H2S, provides considerable freedom in choosing the final sulfur product – either sulfuric acid or elemental sulfur.

 

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  • Prof. Igor Lubomirsky
1582
Over-expression of an oil globule protein for increased production of oil. Oil globules are discrete organelles, ubiquitous in animals, microorganisms and plants. Plant oil globules contain specific proteins that are tightly bound to their surface. These proteins are suggested to have different roles,...

Over-expression of an oil globule protein for increased production of oil.

Oil globules are discrete organelles, ubiquitous in animals, microorganisms and plants. Plant oil globules contain specific proteins that are tightly bound to their surface. These proteins are suggested to have different roles, including globules formation, degradation and stabilization. The present invention relies on the fact that oil globule associated proteins stabilize the oil bodies, and suggests the induction of one of these proteins as a means to obtain high yields of oil globules. 

Applications


  • Higher yields of oil for food and biodiesel

  • Higher yield of the pigment astaxanthin or beta carotene in pigment-accumulating algae


Advantages


  • Obtaining valuable materials (oil and pigments) with a relatively simple manipulation (i.e., over-expression of the globule-associated protein)
  • Cost-effective

Technology's Essence


In many microorganisms (e.g., yeasts, micro-algae and bacteria), the accumulation of oil globules appears to be induced specifically in response to environmental stresses such as nutrient limitation, high irradiance or osmotic stress. One specific protein, found only in micro-algae, was enriched in isolated globules and in stressed cells, in correlation to astaxanthin accumulation. This correlation makes the protein a promising candidate to function in stress response, and more specifically, in globule buildup. Therefore, it may be expected that its over-expression in plants or in algae could increase the accumulation of oil (tryglycerides).

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  • Prof. Uri Pick
1583
The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa. Thermoelectric effects are used in various applications, where heat energy is saved, that would be otherwise lost. Although the TE conversion efficiency is nowadays low (5-8%), the novel...

The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa. Thermoelectric effects are used in various applications, where heat energy is saved, that would be otherwise lost. Although the TE conversion efficiency is nowadays low (5-8%), the novel technique developed at Weizmann Institute, has a disruptive potential to change this market.  

Prof. Y. Imry and his team at Weizmann Institute came up with Thermal Electric conversion technique, based on a new TE device architecture which allows performance enhancement. The core invention is in the field of Bi-junction thermoelectric device architecture, having a thermoelectric gate interposed between two electric regions, leading to thermal electric conversion efficiency optimization.

Applications


Various TE devices will benefit from better TE efficiency, achieved by the developed conversion technique. The growing market for thermoelectric energy harvesters will reach $865 million by 2023. Current TE market is driven by consumer energy harvesting applications and some niche segments:

  •  Automotive energy harvesting applications, since around 40% of the energy produced by internal combustion engines is currently lost in heat through the exhaust.
  • Wireless devices/sensors segment is forecasted to account for over a third of the overall market for thermoelectric harvesters and cooling by 2023.

Advantages


In order to drive down the thermoelectric module costs and facilitate broad deployment, TE has several barriers to overcome: 

  •  low conversion efficiency;
  • toxicity and low availability of chemical elements constituting part of the thermoelectric materials.

 In this context, the main TE market challenges are reaching higher efficiencies using low cost thermoelectric materials. These challenges can be addressed by the proposed technology.


Technology's Essence


Prof. Y. Imry and his team at Weizmann Institute have developed novel bi-junction TE device, having a thermoelectric gate interposed between two electric regions, aiming at TE efficiency improvement. Thermoelectric efficiency depends on the figure of merit (ZT). The figure-of-merit curves, for the developed 3-T TE device configurations show that higher ZT should be achieved.  

The secret essence of the invented configuration is in using two independently adjustable input parameters - voltage and temperature - as drivers for optimizing device thermoelectric efficiency.

 

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  • Prof. Yoseph Imry
1657
Bioengineered formatotrophic E.Coli can be utilized to efficiently generate biomass from electricity. A popular direction for cleantech in recent years is that of biorefineries, that use living organisms to supply the human demand for chemical commodities. Electricity is considered to be a potential...

Bioengineered formatotrophic E.Coli can be utilized to efficiently generate biomass from electricity. A popular direction for cleantech in recent years is that of biorefineries, that use living organisms to supply the human demand for chemical commodities. Electricity is considered to be a potential feedstock for biorefineries, with the end products serving as solid or liquid storage of energy.  Such microbial electrosynthesis is highly dependent on mediators to enable electron transfer from an electrode to a living cell. 
Formic acid (formate) is an electron mediator with a number of desired features for microbial electrosynthesis. However, wild-type organisms that can grow on formate are not suitable for industrial use due to slow growth rates and metabolism. 
Researchers at the Weizmann Institute have successfully engineered a formatotrophic E.coli. By combining systematical analysis with computational tools they screened numerous metabolic pathways and identified the optimized metabolic pathway that supports efficient formate-based growth. This innovative method enables the design of industrial strains of bacteria capable of efficient microbial electrosynthesis.

Applications


  • Biofuel and chemical commodities production.

Advantages


  • Efficient and robust storage of electrical energy.
  • Cost effective conversion of C1 compounds into sugars.

Technology's Essence


By engineering E. coli, the ”workhorse” bacteria used in biotechnology and enabling its growth on formate, researches at Dr. Ron Milo’s lab paved the way for efficient microbial electrosynthesis. The Researches started by investigating many metabolic pathways in order to discover how a model organism such as E.coli can be engineered for formatotrophic growth.  estimate which pathway is most suitable to support growth on formate each pathway was examined based on various criteria such as biomass yield, thermodynamic favorability, chemical motive force, kinetics and additional practical challenges. 
One short favorable pathway was consistently identified, that is the reductive glycine pathway. Furthermore.  Researches generated an isolated organism that is able to convert formate to pyruvate or glycerate.


Licensing Status


Pending

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  • Prof. Ron Milo
1670
A method for selective extraction of precious and rare metals has been developed at the Weizmann Institute. This method allows the efficient and environmentally benign recovery of precious materials that are currently discarded of in large quantities from spent catalysts (automotive and industrial)...

A method for selective extraction of precious and rare metals has been developed at the Weizmann Institute. This method allows the efficient and environmentally benign recovery of precious materials that are currently discarded of in large quantities from spent catalysts (automotive and industrial) from industrial processes (particularly in the electronic industry).

Prof. Igor Lubomirsky’s novel process is based on volatilization for selective extraction of precious and rare metals using benign metal salts, rather than dangerous chlorine gas as a chlorinating agent. The new process requires relatively low temperatures and is free from hazardous waste, among its additional advantages over conventional methods.

We believe that this efficient technology is key to increased reclaimed precious metals output, potentially resulting in the reduction of the demand for primary rare metals.

Applications


·           Recycling precious metals from spent items, e.g. platinum group metals from catalytic convertors


Advantages


·         No toxic input – chlorides are used rather than chlorine gas.

·         No hazardous waste is generated in the process.

·         Mild conditions. High-temperature furnaces and equipment are not required.

·         Relatively simple setup in comparison to conventional ones.

·         Small scale plants are economically viable.


Technology's Essence


Prof. Igor Lubomirsky and his group developed a novel method for the recovery of PGM from spent catalysts that can be applicable for other spent systems as well.

The method comprises of crushing the spent catalyst to obtain a catalyst particulate material with g a predetermined grain size and reacting it with chlorine containing salts rather than pure chlorine gas in a furnace at relatively low temperatures (900oC, far below the temperature required in the conventional volatilization method). This is followed by cooling the volatile PMG chloride product converting it into solid phase metal.

 

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  • Prof. Igor Lubomirsky
  • Prof. Igor Lubomirsky
1676
A novel renewable energy method for storage of concentrated solar power (CSP) thermal energy directly to electrochemical energy that can be used for for distribution.A crucial issue for CSP technologies today is providing energy capable of dispatchable generation, that is, sources of electricity whose...

A novel renewable energy method for storage of concentrated solar power (CSP) thermal energy directly to electrochemical energy that can be used for for distribution.
A crucial issue for CSP technologies today is providing energy capable of dispatchable generation, that is, sources of electricity whose power load can be changed instantaneously with power demand. Further commercial deployment of CSP on a large scale depends on increase of the annual contribution of solar electricity, better coping with the intermittent nature of this resource and rapid integration with existing electrical distribution infrastructure, i.e. smart grids. 
The technology presented here offers a unique solution to these problems while significantly reducing monetary and environmental costs associated with current CSP systems.
Unlike conventional thermal CSP plants, the novel method does not require the use of a turbine to convert heat to electricity, and the electricity is directly obtained from the electrochemical cell during its discharge cycle. Moreover, this energy storage technique precludes the use of electric power generators (e.g. turbines, wind turbines, photovoltaic panels) which are often used to recharge electrochemical cells by applying electrical power to the cells' electrode terminals. This reduces expenses and eliminates inefficiencies of a traditional solar electrical plant.

Applications


  • As modular stand-alone electrical plant for commercial or private use.
  • Integrate into existing power plants for load sharing.

Advantages


  • Directly transform solar thermal energy into electrical potential energy.
  • Transport of large amounts of water in arid areas is not required.
  • Battery can change loading instantaneously for:
    - Use in smart grid and dispatchable generation
    - Easily Incorporated with other green energy solutions

Technology's Essence


This novel system utilizes a rechargeable thermochemical cycle based on Na-S battery technology. The innovation is the exploitation of concentrated solar radiation for thermo-chemical charging instead of electricity from photovoltaic or wind resources as done today. With this concept, a final efficiency of about 50% from solar to electricity can be achieved, which makes a monumental economic impact on existing CSP technologies. The sodium-sulfur battery discharge cycle usually works at temperatures ranging between 300 and 350oC, at which the sodium, sulfur and the reaction product of sodium polysulfide, Na2Sx (where x=3 to 5), exist in their liquid state. Charging of the battery is achieved at temperatures of 1500-1700 oC, when sodium polysulfide is fully decomposed and the full electrical potential of the battery is restored.[1] Instead of charging the Na-S Battery with an external source of electricity to decompose the sodium polysulfide compound back to its Na and S ingredients, it is proposed that the decomposition process will be achieved thermally via CSP.

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  • Mr. Michael Epstein
1684
Gaseous energy sources such as hydrogen and natural gas (predominantly methane) encompass an intrinsic transport problem because of their volatility and flammability. Adsorption of the gas on a solid material (such as MOF) facilitates safe, light and economical transport of the gas. This is especially...

Gaseous energy sources such as hydrogen and natural gas (predominantly methane) encompass an intrinsic transport problem because of their volatility and flammability. Adsorption of the gas on a solid material (such as MOF) facilitates safe, light and economical transport of the gas. This is especially significant in the huge natural gas (NG) market where solutions are required for storage and transport of the gas whether from NG reservoirs in high pressure giant tanks or as a compact low pressure NG tank for small vehicles and other NG powered devices.
The invention involves a new method for the formation of uniform metal organic frameworks (MOFs) at quantitative yields and in a controlled manner.
These MOFs can be tailored to adsorb specific gases for low pressure - high volume storage and transport applications.

Applications


  • Low pressure – high volume gas storage and transportation
  • Safe storage of toxic or otherwise dangerous gases
  • Low energy solid phase gas separation and purification
  • Production of MOF-based catalysts

Advantages


  • Uniform crystallite morphology
  • A quantitative process
  • Ability to design and control product structure
  • Control of pore size
  • Single step process
  • No additives

Technology's Essence


The invention comprises a new solvothermal synthetic procedure in which specific metal ions are selected to react with specific organic ligands to form uniform sub-microstructured MOFs with a narrow size distribution and without the need for a modulator to define the crystal morphology.
Controlling the selected reagents as well as the specific reaction conditions influences the resulting crystallites formed and enables a fine selection of the desired structure.
MOFs prepared this way have exceptional uniformity profiles of size and shape and can be tailored to selectively adsorb specific gases for low pressure - high volume storage and transport applications.

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  • Prof. Milko E. Van der Boom

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