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218 Results for 'Clean Technology'
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Technology
Two Combined Mutations That Introduce The Second Entry Pathway To Synthesized Lignin From Tyrosine In Plants
UW-Madison researchers have identified two amino acids in the active site of phenylalanine tyrosine ammonia-lyase (PTAL) critical for the activity of the enzyme in catalyzing the synthesis of p-coumar...
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Hiroshi Maeda, Yuri Takeda-Kimura, Bethany Moore | P230064US02
Technology
IONIC CYCLIC NITROXYL RADICAL OLIGOMERS
UW researchers have designed and synthesized a series of cathode materials for aqueous redox flow batteries by dimerization of TEMPO into ionic structures. TEMPO radicals have high voltage but are too...
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Dawei Feng, Patrick Sullivan, Xiuliang Lyu, Wenjie Li | P210314US02
Technology
TANDEM ELECTRODIALYSIS CELL SYSTEMS BASED ON THE USE OF REDOX COUPLES
UW researchers have developed a new type of tandem electrodialysis (ED) cell where salination is performed in one cell and desalination in the other with circulation of the anolyte and catholyte to av...
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Kyoung-Shin Choi, Dohwan Nam | P210217US01
Technology
ELECTROCHEMICAL LITHIUM EXTRACTION AND RECOVERY
UW-Madison researchers have developed a new electrochemical method to recover Li from spent lithium-ion battery (LIB) materials as high purity Li-containing chemicals with a high yield in an efficient...
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Kyoung-Shin Choi, Dohwan Nam, Brian Foster, Ryan Belson, Princess Merenini | P240162US01
Technology
PYRIDINIUM DERIVATIVES MADE BY HYDROTHERMAL SYNTHESIS FOR USE AS ANOLYTES IN ELECTROCHEMICAL CELLS
UW researchers have developed a sustainable viologen redox species synthesized from a common industrial organic species, 3-chloro-2-hydroxypropyl trimethylammonium chloride. Also known as Dextrosil, t...
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Dawei Feng, Xiuliang Lyu, Patrick Sullivan, Wenjie Li | P210214US02
Technology
Electrodialysis Cells with Reduced Operating Voltage for Seawater Desalination
Seawater desalination is a promising solution for the global water crisis. However, the current methods of distillation and reverse osmosis are expensive and energy-intensive.Electrodialysis is an alt...
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Kyoung-Shin Choi, Dohwan Nam, Dong Ki Lee | P180373US01
Technology
Cost-Effective Approach for Oxidative Catalytic Pretreatment of Plant Biomass via Homogenous Catalysis and Co-oxidants
Researchers from UW-Madison and other institutions have developed an improved alkaline pretreatment method for plant biomass that makes the production of lignocellulose-derived sugars for bio-based fu...
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Shannon Stahl, Zhaoyang Yuan, Eric Hegg, David Hodge, Bryan Bals | P200223US02
Technology
METAL COMPOUND BASED CATALYSTS FOR ELECTROSYNTHESIS OF HYDROGEN PEROXIDE AND LINEAR PAIRED ELECTROCHEMICAL VALORIZATION OF BIOMASS-DERIVED FEEDSTOCKS
UW-Madison researchers have developed an improved electrochemical valorization strategy that leverages an electrocatalyst capable of carrying out two-electron oxygen reduction reactions (2e- ORR). The...
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Song Jin, Jordan Schmidt, Hongyuan Sheng, Richard Ross, Aurora Janes, Kwanpyung Lee | P220293US02
Technology
BIOMIMETIC CATALYSTS FOR DIVERSE INDUSTRIAL APPLICATIONS IN CHEMICAL REACTIONS
UW-Madison researchers have developed a method to synthesize organocatalysts that can be engineered to mimic biological enzymes for use in a variety of industrially relevant chemical reactions. The or...
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George Huber, Hochan Chang, James Dumesic | P220291US02
Technology
PROCESS FOR MAKING ETHERS FROM ETHANOL
UW-Madison researchers have developed a new method that allows for the transformation of ethanol into a blend of components (mainly long chain ethers) that can be used as a diesel #2 replacement. The ...
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George Huber, Emmanuel Canales, Christos Maravelias, Juan Manuel Restrepo-Florez, Javier Chavarrio | P230074US01
Technology
CONVERSION OF TRIACETIC ACID LACTONE TO POTASSIUM SORBATE
UW-Madison researchers have developed a new approach for producing the preservative potassium sorbate directly from the biomass-derived chemical intermediate triacetic lactone (TAL) rather than via so...
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George Huber, Min Soo Kim, James Dumesic | P230282US01
Technology
FERROELECTRIC SEPARATORS FOR SUPPRESSING DENDRITES GROWTH IN RECHARGEABLE BATTERIES
UW-Madison researchers have developed a mesoporous ferroelectric P(VDF-TrFE) separator membrane to provide self-responsive dendrite suppression. This capability was demonstrated using the plating/stri...
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Xudong Wang, Yutao Dong | P240036US01
Technology
Improved Quinone-Based Compounds for Electrochemical Cells
Fuel cells and other types of electrochemical cells often rely on costly platinum cathodes to drive oxygen reduction. A team of UW-Madison researchers recently developed a cost-saving scheme to improv...
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Shannon Stahl, James Gerken | P170383US02
Technology
Improved Fuel Cell with Flow-Based Anode and Cathode
Fuel cells hold promise for flexible, highly efficient power generation with low emissions. Two of the major issues hindering widespread adoption of fuel cells are the reliance on costly platinum cath...
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Shannon Stahl, James Gerken, Colin Anson, Thatcher Root, Yuliya Preger | P170232US02
Technology
HIGH-ENERGY PLASMA GENERATOR WITH PERMANENT MAGNET DIVERTOR
UW Madison researchers have designed a novel permanent magnet arrangement which can divert the magnetic field lines away from hot magnetically confined plasmas in open geometries such as mirrors and c...
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Cary Forest, Oliver Schmitz, Jon Pizzo | P210210US01
Technology
ENERGY HARVESTING MULTISENSOR WILDFIRE MONITORING SYSTEM
Wildfires occur naturally in many ecosystems worldwide; however, the frequency of wildfires has increased in recent years. The United States National Interagency Fire Center reports that the total bur...
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Umit Ogras, Yigit Tuncel, Toygun Basaklar | P240049US01
Technology
AMMONIA AND NUTRIENT ION RECOVERY FROM MANURE WASTEWATER AND ELECTROSYNTHESIS OF VALUE-ADDED CHEMICALS USING ION SELECTIVE REDOX MATERIAL
UW-Madison researchers have developed a new method for recovering NH4+ or K+ ions from manure wastewater. The method includes contacting a manure wastewater stream containing organic matter and salts ...
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Song Jin, Rui Wang | P230277US01
Technology
BIORENEWABLE SYNTHESIS OF HYDROXY-HEXANOATE ESTERS
UW-Madison researchers have developed a method to synthesize a series of flavoring agents (a group of hexanoate esters) which possess odors such as fruity, grape, burnt wood, hay, pineapple, cranberry...
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George Huber, Marco Nazareno Dell Anna | P220200US02
Technology
AMPHIPHILIC COMPLEXING AGENTS FOR IMPROVED MEMBRANE COMPATIBILITY AND STABILITY OF REDOX SPECIES
UW-Madison researchers have developed a technique for addressing the issue of crossover in flow batteries by dissolving water soluble Zwitterionic trapper molecules (ZITs) in the electrolyte with the ...
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Patrick Sullivan, Dawei Feng, Xiuliang Lyu, Gyohun Choi | P220224US02
Technology
GLASSY ORGANIC FRAMEWORK ION-CONDUCTIVE MEMBRANES
UW-Madison researchers have developed a class of extremely robust yet inexpensive ion exchange membranes based on glassy organic frameworks. These membranes have shown promising performance for redox ...
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Dawei Feng, Patrick Sullivan, Xiuliang Lyu, Wenjie Li | P220146US02
Technology
NUCLEAR FUEL ASSEMBLY RETROFIT FOR INCREASING REACTOR POWER
With recent increases in electricity prices and concerns about the climactic effect of burning fossil fuels, there is an increased interest in increasing nuclear power generation.
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Ben Lindley | P230269US01
Technology
FUSION-DRIVEN SUBCRITICAL MINOR ACTINIDE TRANSMUTER
UW-Madison researchers have developed an apparatus for transmutation of minor actinides using neutrons from an axisymmetric mirror fusion system. The separate neutron source allows simplified subcriti...
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Ben Lindley, Cary Forest, Matthew Nyberg, Tim Bohm, Joshua Ruegsegger, Connor Moreno, Paul Wilson | P220315US02
Technology
Additive-Free Method of Zinc Electrodeposition
The need for corrosion-resistant materials is present throughout automotive, aerospace, and electronics manufacturing as well as many other metal and polymer manufacturing industries. Electrodepositio...
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Sujat Sen, Seth King | T210038US02
Technology
ELECTROCHEMICAL HYDROGENOLYSIS OF CARBONYL GROUPS IN ALDEHYDES AND KETONES USING ZINC CATHODES
UW-Madison researchers have developed a new process, termed electrochemical Clemmensen reduction, in which an electrochemical cell is used to perform hydrogenolysis and Zn is used as an electrocatalyt...
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Kyoung-Shin Choi, Xin Yuan, Jonah Eisenberg | P230265US01
Technology
COMPRESSION IGNITION ENGINE WITH IGNITER AND PILOT INJECTOR
UW-Madison researchers have developed advanced fuel ignition technologies for use in flexible and fuel agnostic combustion engines. The technology employs a secondary "pilot" injector directing a fuel...
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David Rothamer, Sage Kokjohn, Harsh Darshan Sapra, Randy Hessel, Eri Amezcua Cuellar | P230108US01