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Catalyst

Date Submitted: 05/31/2001 21:57:22
Category: / Science & Technology
Length: 5 pages (1324 words)
Catalysts & Fine Particle In Industry Catalyst: Catalysis, alteration of the speed of a chemical reaction, through the presence of an additional substance, known as a catalyst, that remains chemically unchanged by the reaction. Enzymes, which are among the most powerful catalysts, play an essential role in living organisms, where they accelerate reactions that otherwise would require temperatures that would destroy most of the organic matter. A catalyst in a solution with-or in the same phase …
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…the invisible soot emitted by incinerators, automobiles, power plants and heating units) are presently killing about 60,000 Americans each year.[1] More than a dozen studies have, in one way or another, confirmed this relationship. Furthermore, there appears to be no threshold, no level below which effects disappear. This means that people are being killed by air pollution levels well within existing federal standards. To summarize bluntly, any increase in fine particles in the atmosphere kills someone.
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