Sentences with phrase «solid catalyst»

Wen also says that the solid catalyst continuous flow method can be adapted to mobile units so that smaller companies wouldn't have to construct plants and the military could use the process in the field.
A key advantage of this new process, he says, is that it uses a proprietary solid catalyst developed at his company instead of liquid catalysts used by other scientists today.
No such action is needed to treat the solid catalyst, Wen explains.
First, the solid catalyst can be used over and over.
«We've obtained the first direct, temporally resolved observation of two intermediate steps in water oxidation using an Earth - abundant solid catalyst, cobalt oxide, that allowed us to identify the kinetic bottlenecks.
The first direct, temporally resolved observations of intermediate steps in water oxidation using cobalt oxide, an Earth - abundant solid catalyst, revealed kinetic bottlenecks whose elimination would help boost the efficiency of artificial photosynthesis systems.
Solid catalyst expert Frank Berry of the Open University introduces us to the industrial chemistry of iron and its compounds.
Reporting Oct. 24 in the journal Nature, the researchers from UCLA's College of Letters and Science, describe their new method for mapping the temperatures at the gas - solid interface, in which gases are altered through contact with a solid catalyst.
Raney nickel is a solid catalyst composed of fine grains of a nickel - aluminium alloy, used in many industrial processes.
Traditionally, industrial processes use heterogeneous catalysts, where reactants pass through a bed or gauze of solid catalyst.
All solid catalysts previously used for this reaction have been deactivated by carbon deposition.
A team of chemists from the University of Wisconsin - Madison has introduced a new fuel cell catalyst approach that uses a molecular catalyst system instead of solid catalysts.
In a study published July 15 in ACS Central Science, a team of chemists from the University of Wisconsin - Madison introduces a new approach that uses a molecular catalyst system instead of solid catalysts.
Co-author Professor Sir John Meurig Thomas, from the Department of Materials Science and Metallurgy at the University of Cambridge, said the work could be extended so that many of the liquid components of refined petroleum and inexpensive solid catalysts can pave the way for the generation of massive quantities of high - purity hydrogen for other commercial uses, including CO2 - free energy production.
Homogeneous molecular catalysts, which have far greater control over selectivity than heterogeneous solid catalysts, are now being tested in SCFs, and early results show that high rates, improved selectivity, and elimination of masstransfer problems can be achieved.
Being able to analyze samples in such conditions enables a whole new range of studies, such as characterizing materials for carbon sequestration, developing solid catalysts and their action to produce biofuels, optimizing food industry processes, and studying how a disease progresses using intact biological tissues.
Current solid catalysts that act on liquid or gaseous reagents are often composed of poorly defined metal nanoparticles dispersed randomly on supporting materials with large surface areas.

Not exact matches

The SolidEnergy battery formulation also relies on a solid electrolyte, the reactive catalyst in a battery — at least superficially similar to one of the core concepts behind exciting but thus far underperforming battery startup Sakti3.
While Costa may be the finishing piece of a great puzzle at Chelsea, Sanchez is single - handedly keeping Arsenal alive this season, and it is hard to imagine he won't prove the catalyst to a great period of success if Arsene Wenger can build a better team around him in the next couple of transfer windows, with a player of this ability deserving a solid defence and midfield behind him to allow his talent to deliver more than just fourth place.
Sarri has built a solid def at Napoli and he has the respect of his players, pinching him might be the catalyst for signing some of Napoli better def players.
The Lancashire club recorded just three wins away from home last season, but all three came via some solid defensive displays — beating Bolton, Burnley and Aston Villa without conceding — and so another big shift from their defence could be the catalyst for a winning away start to the season, which would be more than ideal considering the clubs tendency to fall into away lulls.
The leaders of the community proposal and rally, reverends from Brooklyn, achieved significant attention for their plan and support from elected officials, in part because their critique of de Blasio's housing program touched the core tension of what some see as a solid, fairly moderate approach, but others call too timid to address the affordability crisis facing the city and its residents and, in some cases, a catalyst of detrimental gentrification.
Prest and Gallei agree that converting homogeneous processes into heterogeneous ones is a major target of R&D efforts, for example by immobilising the homogeneous catalyst on a solid support.
The process achieves ACN molar yields exceeding 90 % from ethyl 3 - hydroxypropanoate (ethyl 3 - HP) via dehydration and nitrilation with ammonia over an inexpensive titanium dioxide solid acid catalyst.
When the precursor encountered the catalyst, a chain reaction turned the fluid into a solid.
The catalyst is initially dissolved in the ingredients (left) but begins to form oily clumps as the reaction progresses (middle), ending up as a solid in the bottom of the test tube (right) after all the ingredients are used u
In the paper, the authors — including the two high - school students — conclude: «This study unambiguously provides evidence that a cheap and earth - abundant transition metal such as molybdenum can be turned into an active catalyst by the controlled solid - state reaction with soybeans... The preparation of the MoSoy catalyst is simple and can be easily scaled up.
Some novel solid acid catalysts can reduce the emission of environmentally harmful products
Understanding these effects is also important for other applications such as splitting water molecules to produce hydrogen at solid - liquid interfaces, electronic devices that rely on oxide - oxide interfaces, or other electrochemical processes using these materials as catalysts, where defects serve as the sites that enable the interactions.
Applications for this research demonstrate implications for use in materials like abrasion resistant paints, high surface area catalyst, electron tunneling barriers, ultra-violet adsorption or capture in sunscreens or solar cells and even beyond when core - shell nanoparticles are used as buildings blocks for making new artificial nanostructured solids with unprecedented properties.
Dr. Peden has written or contributed to more than 160 peer - reviewed scientific publications on the kinetics and mechanisms of automobile exhaust catalysis; the development of zeolite catalysts for diesel engine emission control; hydrocarbon reforming over bimetallic catalysts; the structure of hydroprocessing catalysts; the development of novel, supported solid acid catalysts for petroleum refining; the growth and properties of oxide and semiconductor thin films; and model studies of adhesion at metal / metal - oxide interfaces.
These catalysts need solid supports, just like a home needs the right foundation for the situation.
To determine whether solid nanoparticle catalysts exhibit a related type of chemical communication, a team led by Peng Chen of Cornell University scrutinized nanoparticles made of either gold or palladium as the materials mediated various types of model catalytic reactions.
In creating fuels from agricultural waste and other biomass, water slows a solid acid catalyst's ability to get the job done, costing time and energy.
If scientists knew exactly where reactions occur on these catalytic solids, they could customize them to improve the performance of catalysts already in use and help bring new ones to market.
One of the biggest challenges in developing effective catalysts is designing the nanostructured porous solids on and in which reactions take place.
Michikazu Hara of the Tokyo Institute of Technology in Yokohama and several research colleagues in Japan have demonstrated that a charred mixture of inexpensive sugars, starch or cellulose can be treated with sulfuric acid to create a solid acid catalyst for making biodiesel that is completely insoluble, cheap to prepare and easy to recycle.
For example, when vegetable oil is heated in the presence of a heavy - metal catalyst and hydrogen, hydrogen atoms combine with the carbon chain to turn the oil solid.
If big names like Barnes & Noble (s bks) and Amazon can establish solid but really affordable e - reader / tablet offerings, it could be a big catalyst for tablet sales.
A positive independent review of the business and solid 1Q results could act as positive catalysts for the shares.
I think BP represents solid value here with a cheap P / E, worldwide exposure, solid dividend and a catalyst (the eventual end of litigation).
Involved in the manufacturing of catalysts for the production of solid rocket propellant and explosives.
Summary Vice President Technology Business Management - Innovative, and self driven change catalyst... catalyst, with solid experience in strategic technology cost management, infrastructure consolidation... Institute 1996 Certificate in software development: Technology New York, NY, USA a b CYTTL College 1995
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