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catalyst
catalyst
catalyst Substance that speeds up the rate of a chemical reaction without itself being consumed. Many industrial processes rely on catalysts, such as the
Haber process for manufacturing
ammonia. Metals or their compounds catalyse by adsorbing gases to their surface, forming intermediates that then readily react to form the desired product while regenerating the original catalytic surface. The
metabolism of all living organisms depends on biological catalysts called
enzymes.
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Catalyst regeneration: The business case
Magazine article from: Power; 2/1/2006; ; 700+ words
; ...shipping and installing new catalyst. In either case, the same...of both new and regenerated catalyst. Experience has shown the...both the new and regenerated catalysts start out with equal activity...be added to the regenerated catalyst, both its life and NOx...
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Catalysts In the Action
Magazine article from: Chemical Market Reporter; 4/28/1997; ; 700+ words
; ...the worldwide catalyst market, which...environmental catalysts, at between...based The Catalyst Group places the...syngas market for catalysts at $665 million...chemical market catalyst growth. Catalysts make possible...
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Catalysts enter new development cycle.(Catalyst)
Magazine article from: China Chemical Reporter; 1/16/2005; ; 700+ words
; ...the consumption of catalysts will surely increase...development cycle of the catalyst sector lags behind...ys842 polyolefin catalysts in Yanhua High...increase. BCH is a catalyst used in the PE production...of high-quality catalysts in foreign countries...rising cycle of the catalyst ...
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CRI Catalyst Company. (Company Profile).(services information)(Brief Article)
Magazine article from: Chemical Week; 3/13/2002; 700+ words
; ...petrochemical industry, CRI Catalyst Company supplies catalysts, technology, and services...day. Ethylene Oxide Catalysts CRI Catalyst Company's ethylene...technologically advanced catalysts. Process knowledge, catalyst application know-how...
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Catalysts Industry Booms as Environmental Regulations and Advanced Technologies Drive Demand.
Business Wire; 5/3/2004; 700+ words
; ...can be a boon for catalyst manufacturers -- provided...introduce efficient catalysts at the right time...Currently, Zeigler-Natta catalysts -- used to create unbranched...eliminating the need for catalyst activators, significantly...Newer single-site catalysts are gaining acceptance...
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Catalysts react to diverse market demands: regulatory mandates for cleaner fuels, fewer emissions and purer pharmaceuticals are driving sales in certain segments.(Technology Showcase)
Magazine article from: Chemical Engineering; 7/1/2004; ; 700+ words
; ...made emission control catalysts one of the fastest...12-billion/yr catalyst market. The pressure...class of single-site catalysts developed, are very...used in metallocene catalysts for polyethylene than...facilitating polyethylene catalyst development. Technical...
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Catalyst competition: here's the approach 1 company is taking. (Engelhard Corp.'s catalysts for petroleum refineries)
Newspaper article from: The Oil Daily; 3/24/1986; ; 700+ words
; ...of Octisiv Plus catalysts have increased by...Plus 600 octane catalyst series is the number...custom designed catalysts. Engelhard offers six different octane catalyst series. Each series...to the finished catalyst. Late in 1984...grass roots FCC catalysts manufacturing plant...
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Catalysts can assist in quest for higher octane gasolines. (Refining Frontiers)
Newspaper article from: The Oil Daily; 10/10/1984; ; 700+ words
; ...units, principally with catalysts. When the first major octane improvement catalyst was introduced approximately...octane capability over other catalysts on the market at that time. Unfortunately, the catalyst was very unstable, high...
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Catalysts let refiners dig even deeper. (Refining Technology)
Newspaper article from: The Oil Daily; 3/26/1985; 700+ words
; ...This new family of catalysts include: * ULTRADYNE...light gas selective catalyst, suitable for producing...and nickel poison catalysts; vanadium destroys...turn, reducing the catalyst's activity...fractions. "This catalyst provides maximum...said. "Of all the catalysts in pilot ...
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Catalysts: fiercely competitive chemical catalysts markets heat up. (includes article on emissions catalysts) (Cover Story)
Magazine article from: Chemical Week; 10/5/1994; ; 700+ words
; ...polymerization catalyst markets. Because polyolefins catalysts are - unlike...the chemical catalyst business remains...Overall chemical catalysts sales are expected...longer-lived catalysts - have stunted growth in catalyst demand in some...
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Catalyst
Book article from: World of Forensic Science
...called enzymes. Catalysts can be homogeneous...A homogeneous catalyst is one that exists...heterogeneous catalysts exist in a different...platinum-based catalyst found in the exhaust...of the gasoline. Catalysts can be slowed when...the surface of a catalyst to slow or interfere...
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catalyst
Book article from: The Columbia Encyclopedia, Sixth Edition
...by use of a catalyst is called catalysis...called positive catalysts or, simply...not themselves catalysts increase the activity of a catalyst when added with...thought of as a catalyst and not as a...often used as catalysts; they adsorb...
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Catalysis and Catalysts
Book article from: Chemistry: Foundations and Applications
Catalysis and Catalysts Catalysis is an acceleration...of a substance (the catalyst ) to the reaction medium...very small amount of catalyst is needed to generate...desirable, as many catalysts that are used industrially...reactions in which the catalyst is in the same phase...
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Catalyst and Catalysis
Encyclopedia entry from: UXL Encyclopedia of Science
...substances on which the catalyst acts, however, are...interesting and important catalysts are those that occur...naturally, whether or not a catalyst is present. But they...Industrial applications Today catalysts are used in untold numbers...in the presence of a catalyst such as powdered ...
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Catalyst and catalysis
Encyclopedia entry from: The Gale Encyclopedia of Science
...Homogeneous catalysis, in which catalyst and reaction are in the same...sulfuric acid was an effective catalyst for this reaction, but they...able to demonstrate that the catalyst does break down in the first...the reaction. The role of catalysts in living systems was first...
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