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235 Results for 'Clean Technology'
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Technology
Mild, Nontoxic Production of Fuels and Chemicals from Biomass
Fossil fuel resources supply almost 90 percent of the world’s energy and the vast majority of its organic chemicals. This dependency is insupportable in light of rising emissions, demand and diminis...
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Ronald Raines, Benjamin Caes, Michael Palte | P110055US02
Technology
Method to Produce Furandicarboxylic Acid (FDCA) from 5-Hydroxymethylfurfural (HMF)
The platform molecule HMF is derived from biomass and converted into a variety of downstream products. One of the most important of these is FDCA, which is used as a monomer in the production of fiber...
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James Dumesic, Ali Hussain Motagamwala | P160074US01
Technology
Green Method for Producing 1,5-Pentanediol Slashes Catalyst Cost 10,000-fold
Commercial interest in the production of commodity chemicals from renewable sources continues to surge. Among these chemicals, α,ω-diols are particularly attractive because of the high market prices...
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George Huber, James Dumesic, Kevin Barnett, Zach Brentzel | P160103US01
Technology
Grass Modified for Easier Bioprocessing
Manufacturing paper and producing biofuels is difficult because the lignin in plant cell walls is tough to degrade. Current techniques are energy intensive and use harsh chemicals. In the case of biof...
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John Ralph, Curtis Wilkerson, Saunia Withers, John Sedbrook | P120040US02
Technology
Producing Linear Alpha Olefins from Biomass
Linear alpha olefins (LAOs) are valuable commodity chemicals traditionally derived from petroleum. They are versatile building blocks for making a range of chemical products like polyethylene, synthet...
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James Dumesic, Dong Wang, David Martin Alonso, Sikander Hakim | P130275US01
Technology
High Yield Method to Produce HMF from Fructose
The platform molecule 5-hydroxymethylfurfural (HMF), produced from the dehydration of C6 sugars (hexoses), is considered to be one of the top value-added chemicals. The efficient production of HMF fro...
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James Dumesic, Ali Hussain Motagamwala | P180329US01
Technology
Modified Cyanobacteria for Competitive Sugar Production
Cyanobacteria are photosynthetic microorganisms capable of producing far more sugar per acre than corn, sugarcane or sugar beet. Unlike other bacteria and yeast, cyanobacteria use atmospheric CO2 as t...
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Brian Pfleger, Andrew Markley | P160039US02
Technology
Slippery Antifouling Surfaces with Health, Environmental and Consumer Applications
Slippery liquid-infused porous surfaces (SLIPS) are an emerging class of materials with unique properties. They possess useful antifouling characteristics, meaning they prevent other matter or organis...
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David Lynn, Uttam Manna, Matthew Carter | P150342US02
Technology
Boron- and Nitride-Containing Catalysts for Oxidative Dehydrogenation of Small Alkanes and Oxidative Coupling of Methane
C3 and C4 olefins such as propene are key starting materials in the plastics and chemical industry. The main method for producing these critical building blocks is a petrochemical process called steam...
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Ive Hermans, Joseph Grant, Carlos Carrero Marquez, Alessandro Chieregato, Juan Venegas | P150387US02
Technology
‘Green’ Tylenol: Synthesizing Acetaminophen from Renewable Biomass
Paracetamol (acetaminophen) is an analgesic and fever-reducing medicine. It is an active ingredient in many widely sold over-the-counter medicines such as Tylenol and Panadol. As a prescription pharma...
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John Ralph, Steven Karlen, Justin Mobley | P170066US02
Technology
One-Step Process to Generate Lignin-Derived Aromatics from Raw Biomass
Lignocellulosic biomass is a renewable energy source with great potential for generating value-added chemicals. One of the major components of biomass is lignin (15-25 percent). Due to its infamously...
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Shannon Stahl, Hao Luo | P190134US02
Technology
Robust Biological and Chemical Detection Method and Microfluidic Device with Liquid Crystal Sensing Element
Detecting chemical and biological agents at low levels is important in military applications, drug enforcement, airport security and environmental monitoring. A variety of devices and methods curren...
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Hongrui Jiang, Daming Cheng | P09136US
Technology
Using Power Plant & Industrial Wastes to Sequester CO2 into High Purity Products
In the U.S., coal plants produce around 50 million tons of waste each year that is rich in calcium, magnesium and other elements but is landfilled at a cost of $3-35/ton. Similarly, an estimated two b...
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Bu Wang, Raghavendra Ragipani | P200242US02
Technology
Synthesis of Bio-Based Polyurethanes and Polyesters
Plant biomass remains a promising renewable source of important platform chemicals currently derived from petroleum. These include the chemical building blocks used to make polyurethanes (commonly fou...
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George Huber, Hochan Chang, James Dumesic | P210122US01
Technology
Cost-Effective Synthesis of HMF from Fructose
Increasing demand of petrochemical resources to produce the energy and chemical materials required by industrialized societies with growing populations combined with a diminishing supply has resulted ...
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James Dumesic, Yuriy Roman-Leshkov, Juben Chheda | P06305US
Technology
TANDEM OXIDATIVE PROCESSES TO DEGRADE PER- AND POLYFLUOROALKYL SUBSTANCES
UW-Madison researchers have developed a tandem electrochemical process for the near complete degradation of PFAS. Their process cycles between activation and degradation to avoid over producing radica...
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Song Jin, Katelyn Michael | P240281WO01
Technology
RECOMBINANT MICROORGANISMS THAT CATABOLIZE LIGNIN AROMATICS AND METHODS OF USING SAME
UW-Madison researchers have identified enzymes that are necessary and sufficient for the catabolism of the β-5 linked aromatic dimer dehydrodiconiferyl alcohol (DCA) by Novo. The first newly identifi...
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Timothy Donohue, Fletcher Metz, Kevin Myers, Fachuang Lu, Daniel Noguera | P240270US01
Technology
RENEWABLE BIO-ADVANTAGED PLASTICIZER GENERATED BY REDUCTIVE COUPLING OF LIGNIN-DERIVED AROMATICS
A collaborative team of researchers from UW-Madison, MIT, and National Lab of the Rockies (NLR) have developed an innovative approach for the generation of bio-based plasticizers from lignin from 4-hy...
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Shannon Stahl, Gregg Beckham, Jack Twilton, Yuriy Roman-Leshkov, Caroline Hoyt, Zhiming Su | P230114US02
Technology
HIGH-YIELD PRODUCTION OF EPSILON-CAPROLACTAM FROM NYLON 6 PLASTIC WASTE VIA AMMONIA-ASSISTED DEPOLYMERIZATION
Researchers from UW-Madison, MIT, and NLR have developed a method for recycling Nylon 6. The method, embodied in a one-pot reactor, consists of ammonolysis followed by cyclodeamination and is realized...
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Shannon Stahl, Xianyuan Wu, Yuriy Roman-Leshkov, Gregg Beckham | P240278US02
Technology
AUTOXIDATION CATALYSIS FOR CARBON CARBON BOND CLEAVAGE IN LIGNIN
Researchers from UW-Madison, MIT, and NLR have developed a chemical process for the conversion of lignocellulosic biomass into muconic acid which is useful for the generation of plastics and polymers....
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Shannon Stahl, Gregg Beckham, Nina Gu, Chad Palumbo, Kevin Sullivan | P230358US02
Technology
Conversion of lignin to muconic acid and methods therefor
Researchers from UW-Madison, MIT, and NLR have developed a chemical process for the conversion of lignocellulosic biomass into muconic acid which is useful for the generation of plastics and polymers....
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Shannon Stahl, Gregg Beckham, Chad Palumbo, Allison Zimont Werner, Kevin Sullivan, Yuriy Roman-Leshkov, Rebecca Wilkes | P230357US02
Technology
DIRECT RECYCLING OF SPENT LI-ION BATTERY CATHODES
UW-Madison researchers disclose a scalable and sustainable redox-mediated electrochemical direct recycling method. The reaction is performed in an electrochemical flow cell consisting of a carbon pape...
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Shannon Stahl, James Gerken, Deok-Ho Roh | P240376WO01
Technology
METHODS OF SEPARATING LIGNIN DECONSTRUCTION FEEDSTOCKS USING CENTRIFUGAL PARTITION CHROMATOGRAPHY
UW-Madison researchers have developed an improved method for separating purified lignin monomers from deconstructed biomass. The process couples the oxidative depolymerization of lignin, which produce...
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Shannon Stahl, Surajudeen Omolabake, Eric Weeda, Christopher Holland, Dillon Hofsommer | P240272US02
Technology
MICROSCALE ELECTROCHEMISTRY ON A PLATE FOR RAPID EVALUATION OF ELECTROCHEMICAL SYSTEMS
UW-Madison researchers have developed a high throughput electrochemical testing device (UltraLyte) comprising a microelectrode array on a glass plate, which allows for rapid screening of the performan...
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Fang Liu, Andrew Cavell, Tanner Thomas | P250148US02
Technology
MICROORGANISMS AND METHODS FOR PRODUCING CAROTENOIDS AND OTHER COMPOUNDS
UW-Madison researchers found that Novo naturally produces the carotenoid nostoxanthin, which accumulates in its cells. Further, predicted nostoxanthin intermediates include a number of valuable carote...
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Timothy Donohue, Daniel Noguera, Benjamin Hall, Wayne Kontur, Derek Gille, Jeanette Neri | P230405US02