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204 Results for 'Clean Technology'
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Technology
Improving Biomass Conversion Efficiency by Modifying Lignin so Plant Cell Walls Are More Digestible and Fermentable
Lignocellulosic biomass is a very desirable feedstock for biofuel production. If the fermentation process for lignocellulose could be optimized, conversion of this biomass could yield 25 to 50 billion...
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John Ralph, John Grabber, Ronald Hatfield, Fachuang Lu | P100225US02
Technology
Enhanced Biomass Digestion with Wood Wasp Bacteria
Plant biomass represents a vast and renewable source of energy. However, harnessing this energy requires breaking down tough lignin and cellulose cell walls. In nature, certain microbes can deconstruc...
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Cameron Currie, Brian Fox, Taichi Takasuka, Adam Book | P110314US03
Technology
Better Biomass Conversion with Recyclable GVL Solvent
To recover useful carbohydrates locked in biomass, molecular bonds must be broken while avoiding further reaction of the resulting glucose and xylose sugars. This is a challenge because glucose can de...
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James Dumesic, Jeremy Luterbacher | P130123US01
Technology
Transgenic Lignin Easier to Break Down for Biofuel
Lignocellulosic biomass is a very desirable feedstock for biofuel production. If the fermentation process could be optimized, conversion of this biomass could yield 25 to 50 billion gallons of ethanol...
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John Ralph, Curtis Wilkerson, Saunia Withers, Shawn Mansfield | P100281US02
Technology
Lignin from Transgenic Poplar Is Easier to Process
Lignin is an important plant cell wall component that provides structural support and vascular functions. It is one of the most abundant organic polymers on Earth, constituting about 30 percent of non...
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John Ralph, Curtis Wilkerson, Saunia Withers, Shawn Mansfield | P100281US03
Technology
Unleashing Biomass Sugars Using Bromine Salt
Methods to produce bioethanol from cornstarch or sugarcane are inadequate to meet the global demand for renewable fuels. To be sustainable, biofuel production should rely on abundant, cheap, inedible ...
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Xuejun Pan, Li Shuai | P110209US02
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
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
Rechargeable Desalination Battery
Access to fresh water is a pressing geopolitical issue and technological challenge. Desalination is a potentially viable solution considering the abundance of seawater on Earth. While reverse osmosis ...
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Kyoung-Shin Choi, Dohwan Nam | P170083US01
Technology
“Green” Triboelectric Power Boards Turn Footsteps into Electricity and More
Mechanical energy takes many forms in the environment, from ambient vibrations to individual footsteps. It represents a sustainable and largely untapped energy source that could be harnessed to power ...
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Xudong Wang, Zhiyong Cai, Chunhua Yao, Alberto Hernandez Valle, Yanhao Yu | P160323US01
Technology
Full Coverage Spray and Drainage System for Orientation-independent Removal of High Heat Flux
Removal of heat from electronic circuitry is one of the limiting factors in the design and performance of most computer systems. One current method of heat removal involves using a cone-shaped spray t...
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Timothy Shedd, Adam Pautsch | P04140US
Technology
Efficient, Lower Cost Chemical Transformation of Lignocellulosic Biomass into Fuels and Chemicals
Cellulosic biomass has tremendous potential as a renewable resource for the production of fuels and chemicals. It is especially promising because it is inexpensive and readily available from cro...
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Ronald Raines, Joseph Binder | P08210US
Technology
Perovskites for Stable, High Activity Solid Oxide Fuel Cell Cathodes and Related Technologies
The rise of alternative energy technologies is driving materials R&D. Solid oxide fuel cells (SOFCs) may come to play an important role, as they are able to produce energy by direct chemical-to-electr...
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Dane Morgan, Ryan Jacobs | P160222US01
Technology
Industrial Streptomyces with Capability to Grow on Cheap and Abundant Cellulose
Many species of Streptomyces are used industrially in the production of medicines, proteins and other fine commodity chemicals. However, the vast majority must be grown on high-cost glucose feedstock ...
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Brian Fox, Robert Stankey, Cameron Currie, Emily Beebe | P160252US02
Technology
Organic Polymers with Ultra-Small Pores for Carbon Dioxide Separation, Capture, and Conversion
According to the EPA, as of 2015 carbon dioxide and methane comprise about 82% and 10% respectively of greenhouse gas emissions resulting from human activities. Landfill gas is a considerable source ...
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Mohammad Rabbani | T160005US02
Technology
Zip-Lignin™ Assay: An Analysis and Validation Tool
To produce pulp from wood, harsh chemicals are applied during cooking and bleaching mainly because lignin is tough to break down. To make it easier to degrade, Wisconsin researchers discovered how che...
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John Ralph, Steven Karlen, Fachuang Lu, Dharshana Padmakshan | P150118US02
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
Interface Switch for Distributed Energy Resources
Distributed energy resources (DER) are small power generators that are typically located near the customer’s load, where energy is used. Small DER produce low emissions, can be manufactured at l...
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Robert Lasseter, Paolo Piagi | P05322US
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
Platinum-Free Catalysts for Fuel Cells
Fuel cells and other types of electrochemical cells rely on platinum cathodes to drive oxygen reduction. Although efficient, platinum cathodes are expensive given the element’s relative scarcity. On...
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Shannon Stahl, James Gerken, Colin Anson | P140274US02
Technology
“Green” Catalytic Systems for Solvent-Free Alcohol Oxidations
Catalysts for organic chemical transformations, in particular those used for alcohol oxidations, are considered to be valuable commodities for the bulk, fine chemical as well as pharmaceutical industr...
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Robert McGaff | T150040US03
Technology
Detecting Seismic S Waves with Unprecedented Accuracy
Seismic events produce two types of seismic waves, referred to as P waves and S waves. P waves are relatively easy to detect (or “pick”) with software. S waves travel more slowly and arrive in the...
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Clifford Thurber, Christopher Rawles | P140387US01
Technology
Ultrafast Synthesis of Activated Carbon
Activated (porous) carbon is conventionally produced by pyrolysis (carbonization) of carbon-rich biomass or coal followed by activation/oxidation. Activated carbon produced by this conventional method...
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Annamalai Karthikeyan | T130012US02
Technology
Zinc Oxide Nanowires for Photovoltaics and More
Zinc oxide (ZnO) nanowires are of tremendous commercial interest because they could help drive the next big advancements in solar cells, flat panel displays and other transparent conductor application...
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Xudong Wang, Fei Wang, Alexander Kvit | P130385US01