ARPA-E issues RFI on lower-grade waste heat recovery technologies; focus on solid-state systems

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The Advanced Research Projects Agency - Energy (ARPA-E) has issued a request for information ( DE-FOA-0001607 ) on lower-grade waste heat recovery technologies. quadrillion BTU of energy was wasted mainly in the form of heat. Q of waste heat. ARPA-E Waste Heat Recovery

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NEC, NEC TOKIN and Tohoku University develop spin-Seebeck thermoelectric device w/ 10x better conversion efficiency

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Thermoelectric conversion technology that converts energy abandoned as waste heat back to electric power is strongly anticipated to be used for saving energy and reducing greenhouse gas emissions. Materials Thermoelectrics Waste Heat Recovery

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ORNL team devises electrocatalyst for direct conversion of CO2 into ethanol with high selectivity; pushing the combustion reaction in reverse

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We’re taking carbon dioxide, a waste product of combustion, and we’re pushing that combustion reaction backwards with very high selectivity to a useful fuel. Carbon Capture and Conversion (CCC) Emissions Ethanol

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European consortium begins demonstration project for conversion of woody biomass to chemicals: BIOFOREVER

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BIOFOREVER (BIO-based products from FORestry via Economically Viable European Routes)—a consortium of 14 European companies—has started a demonstration project for the conversion of woody biomass to value-adding chemical building blocks such as butanol, ethanol, and 2,5–furandicarboxylic acid (FDCA) on an industrial scale.

BMW provides an update on waste heat recovery projects; Turbosteamer and the Thermoelectric Generator

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The company says that some of the most promising projects are the Turbosteamer ( earlier post ); the Thermoelectric generator (TEG) ( earlier post ); engine encapsulation; and a waste heat exchanger for oil heating. Thermoelectrics Waste Heat Recovery

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Penn State researchers develop thermally regenerative ammonia battery (TRAB) for efficient waste heat recovery

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Researchers at Penn State University have demonstrated the efficient conversion of low-grade thermal energy into electrical power using a thermally regenerative ammonia-based battery (TRAB). To “recharge”, the TRAB uses low-grade waste heat from an outside source.

Tenneco/Gentherm showcasing prototype of thermoelectric generator for waste heat recovery; targeting 5% fuel economy improvement

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Tenneco and Gentherm (formerly BSST/Amerigon) are part of a US Department of Energy (DOE) consortium actively developing a thermoelectric generator (TEG) for capturing waste exhaust heat in vehicles and converting it to electrical energy to be used to power electrical systems within the vehicle. Gentherm is supplying modular, cylindrical-shaped thermoelectric cartridges that convert waste heat from the exhaust into electricity. TEG component (cartridge) and TEG architecture concept.

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USDA provides $91M loan guarantee to Cool Planet for biogasoline blendstock plant; biomass pyrolysis and catalytic conversion

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Cool Planet has devised a biomass-to-liquids thermochemical conversion process that simultaneously produces liquid fuels and sequesterable biochar useful as a soil amendment. One of the catalytic conversion processes creates the high-octane gasoline blendstock.

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MIT/Stanford team refines TREC battery for harvesting low-grade waste heat

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In May, researchers at MIT and Stanford University reported the development of new battery technology for the conversion of low-temperature waste heat into electricity in cases where temperature differences are less than 100 ?Celsius. Batteries Waste Heat Recovery

Bath team develops simpler to prepare and effective catalyst for conversion of CO and CO2 to longer chain hydrocarbons

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Researchers at the University of Bath (UK) have developed a new carbon nanotube (CNT)-based iron catalyst for the simplified conversion of CO and CO 2 to longer chain hydrocarbons. The well-known Fischer-Tropsch process for the conversion of carbon monoxide and carbon dioxide has been explored by researchers around the world. To date, methods have typically required the use of one catalyst to create the carbon support for the conversion process.

DOE Bioenergy Technologies Office updates Multi-Year Program Plan; focus on wet wastes

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The latest version of the MYPP presents a merged conversion R&D section; the renaming of the demonstration and market transformation area; and emerging work in wet waste-to-energy feedstocks. BETO says that wet wastes represent an underused feedstock and an emerging pathway to advanced biofuels that has the potential to greatly contribute to BETO’s near-term and long-term advanced biofuel and bioproduct goals. R&D on biomass conversion technologies.

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DOE awards LanzaTech $4M for low-carbon jet & diesel demo plant; 3M gpy; Audi evaluating fuel properties

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The LanzaTech facility will recycle industrial waste gases from steel manufacturing to produce a low cost ethanol intermediate: “Lanzanol.” LanzaTech captures the waste gas from refineries and manufacturing plants and feeds the CO-rich gas to microbes that consume the gas and produce ethanol. To demonstrate process versatility, ethanol from other waste gas streams will be converted, including cellulosic ethanol produced via fermentation of biomass syngas by Aemetis.

SUTD team proposes low-temperature thermionic converter with graphene cathode; about 45% efficiency

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If realized, an efficient, low-temperature TIC could provide a supplementary or an alternative approach to thermoelectric devices for waste heat recovery using low grade waste heat—i.e, 2008) “ Energy Transport and Conversion in Electron Emission Processes ”.

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Total and Waste Management invest in waste plastic to synthetic crude startup Agilyx

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Agilyx Corporation, a startup commercializing a waste plastic to synthetic crude oil technology, has closed a $22 million Series B round led by Kleiner Perkins Caufield & Byers (KPCB), and joined by new strategic investors, Waste Management, Inc. Agilyx’s patented waste plastic conversion technology—Anaerobic Thermal Reclamation (ATR), developed by Kevin DeWhitt, the founder and Chief Technology Officer of Agilyx—converts ground waste plastic into synthetic crude oil.

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Alitalia and Solena to begin study on conversion of municipal solid waste into biojet

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Alitalia and the Solena Group have signed a letter of intent to initiate a study on the feasibility of the construction of a plant capable of converting municipal solid waste in a significant portion of the jet fuel needed by the. which has already seen Solena Group cooperate with British Airways for the conversion of municipal solid waste of the London metropolitan area into jet fuel for aircraft operating at Heathrow.

RWE Power/BRAIN expanding work on waste gas CO2 microbial conversion project

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The joint project, which started two years ago, aims at converting CO 2 into biomass or directly into secondary raw materials with the help of micro-organisms bred to explore innovative CO 2 conversion and synthesis pathways. RWE Power intends to go beyond the current project focus as the utility company plans to examine other carbon-rich waste streams—e.g.

New $30M ARPA-E program to develop new solar conversion and storage technologies; targeting higher solar penetration in mix

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The primary goal of this funding opportunity ( DE-FOA-0000949 ) is to provide disruptive new solar conversion and storage technology options to enable a much higher penetration of solar energy generation into the US energy mix. Novel approaches to high T solar conversion.

Climeworks launches world’s first commercial plant to capture CO2 from air; potential for CO2-neutral fuels

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In Hinwil the DAC plant has been installed on the roof of a waste recovery facility—operated by the municipal administration union KEZO—with its waste heat powering the Climeworks DAC plant. Carbon Capture and Conversion (CCC) Emissions Fuels

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Aemetis acquires license from LanzaTech with California exclusive rights for advanced ethanol from biomass including forest and ag wastes

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has acquired exclusive rights to LanzaTech’s patented technology for the conversion of agricultural waste, forest waste, dairy waste and construction and demolition waste (CDW) to ethanol in California. Aemetis, Inc.

Libertine LPE free piston technology targeting power generation, waste-heat recovery and range-extended EV applications; feasibility study with PETRONAS

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UK startup Libertine LPE has developed a free piston linear power generator technology that it says overcomes the key challenges faced by earlier free piston engine schemes of motion control, emissions and power conversion efficiency.

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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Among the different methods for engine waste heat recovery proposed in the literature, Organic Rankine Cycles (ORC) have the highest chance to couple effectiveness and technological readiness for the application to internal combustion engines of both conventional and hybrid vehicles.

MAHLE acquires thermoelectric generator start-up O-Flexx

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O-Flexx says that its technology—protected by several patents—significantly increases conversion efficiency.The company collaborates with a partners from the industry—such as MAHLE—as well as research institutions such as the University of Duisburg-Essen, Vienna University of Technology and several Fraunhofer institutes. Thermoelectrics can be utilized to convert heat into electrical energy, turning previously unused waste heat into a valuable source of energy.

New simple, energy-efficient process for the direct production of renewable diesel from biomass waste

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A team at the Universidad Politécnica de Valencia (Spain) has designed a new simple, energy-efficient process (that also does not require any organic solvents) for the production of renewable diesel from biomass waste. 2011) Production of High-Quality Diesel from Biomass Waste Products.

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Researchers use CaO catalyst to produce biodiesel/monoglyceride blend; avoiding waste glycerol

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The resulting blend exhibits properties similar to conventional biodiesel, while reducing waste and improving conversion. The generation of glycerol not only represents a notable performance loss in the process, it is also creating an enormous waste problem.

MIT/Stanford team develops battery technology for the conversion of low-grade waste heat to power; TREC

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Researchers at MIT and Stanford University have developed new battery technology for the conversion of low-temperature waste heat into electricity in cases where temperature differences are less than 100 degrees Celsius. This is a clever idea, and low-grade waste heat is everywhere.

Fulcrum BioEnergy files LCFS application for municipal solid waste to FT diesel pathway with low CI of 37.47 g/MJ

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Fulcrum BioEnergy, the parent company of Fulcrum Sierra BioFuels, has applied for a new fuel pathway under the California Low Carbon Fuel Standard (LCSF) for its process of converting municipal solid waste (MSW) into Fischer-Tropsch (“FT”) diesel fuel. A feedstock processing system shreds, screens, and sorts the MSW producing a MSW-derived feedstock meeting the feedstock specification required for conversion into renewable fuel at the biorefinery.

CoolPlanet BioFuels claims conversion yield of 4K gallons gasoline per acre biomass

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CoolPlanet BioFuels, a start-up developing technology to convert low-grade biomass into high-grade fuels including gasoline, and carbon that can be sequestered ( earlier post ), claims it has achieved a conversion yield of 4,000 gallons gasoline/acre biomass in pilot testing using giant miscanthus, an advanced bioenergy crop. Agricultural waste from food crops can also produce up to 1,000 gallons of gasoline/acre using this new technology.

New one-pot methanol-mediated process for conversion of wood and cellulosic solids to liquid fuels

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Researchers at the University of California, Santa Barbara (UCSB) have developed a one-pot process for the catalytic conversions of wood and cellulosic solids to liquid and gaseous products in a reactor operating at 300–320 °C and 160-220 bar. There have been two types of approaches conventionally considered for the conversion of woody biomass to liquid fuels, Matson et al. Ford (2011) One-Pot Catalytic Conversion of Cellulose and of Woody Biomass Solids to Liquid Fuels.

Blue Marble Biomaterials launches first zero-waste chemical biorefinery

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A photobioreactor and algae perform the “water recycling”; the pelletized solid waste material will be used in the gasifier. has launched the first zero-waste chemical biorefinery in the US in Missoula, Montana. The facility will produce 72 tons of fine chemicals a year and only purified water and pellet fuel for wood-boilers as its waste. If we have fixed feedstock [such as the waste spent grain], we have price stability.

Manchester team proposing graphene-based ballistic rectifier for waste heat recovery

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Researchers at the University of Manchester (UK) have developed a graphene-based nano-rectifier (“ballistic rectifier”) that can convert waste heat to electricity. Conventional devices with similar conversion efficiencies require cryogenically low temperatures.

UC Riverside researchers receive two grants to advance steam hydrogasification reaction for waste-to-fuels

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Researchers at the University of California, Riverside’s Center for Environmental Research and Technology (CERT) at the Bourns College of Engineering have received two grants to further explore a steam hydrogasification process they developed to convert waste into fuels. The CEC grant will allow for the completion of a process demonstration unit at CERT that will provide data needed before a proposed pilot plant is built at the city of Riverside’s waste water treatment facility.

BioBoost project targets conversion of biomass into intermediate energy carriers for subsequent conversion into fuels, chemicals, power and heat

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The BioBoost project concentrates on dry and wet residual biomass and wastes as feedstock for de-centralized conversion by fast pyrolysis, catalytic pyrolysis and hydrothermal carbonization to the intermediate energy carriers oil, coal or slurry. The complete bioliq biomass-to-liquids process consists of four stages: Flash pyrolysis at decentralized plants to convert low-energy-density biomass waste into a petroleum-similar intermediate product of coke and oil: bioliqSyncrude.

UC Riverside team develops new high efficiency method for conversion of biomass to biofuels

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Lignocellulosic biomass, which is the only sufficiently prevalent sustainable resource for conversion into liquid transportation fuels, is the most abundant organic material on Earth. The lignin is generally considered a waste product and burnt to produce energy, although that thought is changing. Furfural and 5-HMF are widely recognized renewable chemicals for their conversion into gasoline, jet, and diesel range liquid fuels. Overview of the process. Cai et al.

Hydrogenics to supply 1MW electrolyzer to project converting CO2 to methanol; Power-to-Gas

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The project will last three to four years and involves the design, building and testing of systems to demonstrate the utilization of surplus and intermittent renewable energy sources and waste CO 2 for the production of methanol. Carbon Capture and Conversion (CCC) Emissions Hydrogen Methanol Power-to-Gas

Panasonic develops highly efficient artificial photosynthesis system with gallium nitride semiconductor for conversion of CO2 to formic acid

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This will make it possible to realize a simple and compact system for capturing and converting wasted carbon dioxide from incinerators and electric generation plants, according to Panasonic. The conversion efficiency of solar energy to chemical energy was 0.03-0.04%.

Caltech engineers devise new thermochemical cycle for water splitting for H2; recyclable, non-toxic, non-corrosive and at lower temperatures

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The lower the temperature that we can use for driving these types of water-splitting processes, the more we can make use of energy that people are currently just wasting. Hydrogen Production Waste Heat Recovery

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Panasonic develops thermoelectric tubes for compact geothermal electricity generation and waste heat recovery

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Panasonic says that its thermoelectric tube is suited for capturing unused or wasted heat from hot springs and factories. Panasonic’s thermoelectric conversion tube. Development on system design, optimization in manufacturing and feasibility study are now under way or planned, with a view to realizing compact, efficient, and economical generators fueled by geothermal energy and waste heat in factories.

Berkeley Lab working with Alphabet Energy to develop a low-cost thermoelectric system

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With a $2-million grant from the California Energy Commission (CEC), Berkeley Lab is partnering with Alphabet Energy to create a cost-effective thermoelectric waste heat recovery system to reduce both energy use in the industrial sector and electricity-related carbon emissions. They are developing advanced thermoelectric materials based on silicon nanowires with conversion efficiencies of 10% or greater and the ability to operate at temperatures up to 800 degrees Celsius.

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DOE ARPA-E awards $156M to projects to 60 projects to accelerate innovation in clean energy technologies

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wasted energy in plants into energy-dense fuel molecules. Concentrating Solar Power/Nuclear: High Efficiency Solar Electric Conversion Power Tower Abengoa Solar will develop a high efficiency solar-electric. conversion tower that utilizes new system architecture. unprecedented solar-to-fuel conversion efficiencies of more. power conversion stations to interface with the grid. The power conversion devices. The power conversion device.

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Free piston/ORC system for automotive waste heat recovery being tested at University of Brighton

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A prototype automotive waste heat recovery system has been fired up on a recently commissioned test rig at the University of Brighton. The organic Rankine cycle test rig uses a novel linear free piston expander from Libertine ( earlier post ) to overcome the technical and economic barriers to using Rankine cycle technology for automotive waste heat recovery. Engines Vehicle Systems Waste Heat Recovery