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

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quadrillion BTU of energy was wasted mainly in the form of heat. Q of waste heat. ARPA-E Waste Heat RecoveryIn 2015, 59.2

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

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Materials Thermoelectrics Waste Heat RecoveryThe spin-Seebeck effect is a thermoelectric effect discovered in 2008 by Prof. Resources.

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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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Carbon Capture and Conversion (CCC) Emissions EthanolTheir finding was serendipitous. —Adam Rondinone, lead author. Click to enlarge.

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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.

Dearman-led consortium awarded $3.1M to develop waste-heat-recovery system using liquid air engine

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The Dearman project is to deliver a production-feasible waste-heat recovery system for urban commercial vehicles, which offers life-cycle CO 2 savings of up to 40%; fuel savings of 25%, with the potential of up to almost 50%; and potential payback in less than three years. Engines Vehicle Systems Waste Heat Recovery million (US$3.12

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

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To “recharge”, the TRAB uses low-grade waste heat from an outside source. Batteries Waste Heat Recovery Then the reaction stops.

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

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One of the catalytic conversion processes creates the high-octane gasoline blendstock. Source: Cool Planet. Click to enlarge. Earlier post.).

2014 28

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. Source: Crane (2013).Click Click to enlarge.

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

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When the battery is discharged at 15 °C and recharged at 55 °C, thermal-to-electricity conversion efficiencies of 2.6% Celsius. Earlier post.).

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. Catal.

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. million. Earlier post.). Earlier post.).

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 is interested in the potential of four kinds of wet-waste feedstocks: The non-recyclable organic fraction of landfill solid wastes.

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

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Stanford University, for example, has a thermionic energy conversion research effort underway as part of its Nano-electrochemical Systems (NEMS) group.

2015 31

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. and Total Energy Ventures International, an affiliate of oil and gas company, Total SA.

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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. The agreement between Alitalia and Solena Group is part of the program called Green Sky. Earlier post.). Brief

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. More than €2 million (US$2.54 million) has been invested in this research program so far. —Dr. Brief

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

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Novel approaches to high T solar conversion. Schematic comparing the cost and dispatchability of PV to CSP with thermal storage. Source: ARPA-E.

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

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The LanzaTech gas-to-ethanol technology enables Aemetis to convert these local California biomass wastes to advanced ethanol. Aemetis, Inc.

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.

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

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Earlier post.) Toyota envisions that a pair of such units (20 kW) would enable B/C-segment electric drive vehicles to cruise at 120 km/h (75 mph).

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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This value represents the upper limit for waste heat recovery systems to convert thermal energy from the exhaust gases into mechanical energy.

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

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The first step is the conversion of biomass into furfural—an established industrial process. Credit: Wiley-VCH, Corma et al. hydrocarbons.

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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. Calero et al.

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

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These features lead to a high heat-to-electricity energy conversion efficiency of 5.7% Batteries Waste Heat Recovery Lee et al. ,

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. inerts, high moisture content waste) are sent to the landfill.

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. Earlier post.).

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. Overview of the process. Click to enlarge. —Matson et al. —Matson et al.

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. If we have fixed feedstock [such as the waste spent grain], we have price stability. Source: Blue Marble.

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

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Conventional devices with similar conversion efficiencies require cryogenically low temperatures. Graphene Thermoelectrics Waste Heat Recovery

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. process, making a slow carbon conversion reaction ten times faster.

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. Overview of the process. Cai et al.

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 resulting biosyncrude can be transported economically for further upgrading. million).

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 tonnes of CO 2.

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

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The conversion efficiency of solar energy to chemical energy was 0.03-0.04%. Schematic view of artificial photosynthesis system. Resources.

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

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Hydrogen Production Waste Heat RecoverySchematic representation of the 4-step low-temperature, Mn-based thermochemical cycle. Xu et al. 850 °C.

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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. Panasonic has developed novel thermoelectric tubes designed for fluid heat sources such as hot water and steam. Click to enlarge. Brief

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.

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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. Weiss (2013b) “Performance analysis of a miniature free piston expander for waste heat energy harvesting,” Energy Conversion and Management , Volume 76, Pages 883-892 doi: 10.1016/j.enconman.2013.08.045.

$3M UK project to develop low-carbon aviation fuels from captured CO2 and waste biomass

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Heriot-Watt University in the UK will lead a £2-million (US$3-million) project ( EP/N009924/1 ) to develop low-carbon aviation fuels from captured CO 2 and waste biomass. The project aims to produce low-carbon synthetic aviation jet fuel using renewable energy from waste agricultural and forestry biomass and captured CO 2.

Enerkem plant becomes first ISCC-certified plant to convert municipal solid waste into biomethanol

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This biorefinery therefore becomes the first ISCC-certified plant in the world to convert municipal solid waste into biomethanol. Enerkem Inc.,