Catalyst

Catalyst

A substance that can increase or decrease the rate of a chemical reaction between the other chemical species without being consumed in the process.

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Part of Speech: noun
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Blossary:
Industry/Domain: Pollution control
Category: Air pollution
Company: ARB
Product:
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Related terms

catalyst

Automotive; Automobile

(1) A substance that changes the rate of a chemical reaction without itself being used up. (2) A special agent which is added to a plastic body filler or resin or paint to speed ...

catalyst

Pollution control; Air pollution

A substance that can increase or decrease the rate of a chemical reaction between the other chemical species without being consumed in the process.

catalyst

Natural environment; Coral reefs

A substance that accelerates a chemical reaction, but is not consumed or changed in the process.

catalyst

Industrial machinery; Industrial lubricants

A substance that initiates or increases the rate of a chemical reaction, without itself being used up in the process.

catalyst

Building materials; Tiles

Substance which markedly speeds up the cure of an adhesive when added in minor quantity as compared to the amounts of primary reactants.

catalyst

Building materials; Wood flooring

Found in many water-based wood finishes. A catalyst is added to some finishes to bind individual polymer chains to one another, thereby imparting a tougher film without the ...

lead

Pollution control; Air pollution

A gray-white metal that is soft, malleable, ductile, and resistant to corrosion. Sources of lead resulting in concentrations in the air include industrial sources and crustal ...

nonattainment area

Pollution control; Air pollution

A geographic area identified by the U. S. EPA and / or CARB as not meeting either NAAQS or CAAQS standards for a given pollutant. For more information, please view our designated ...

air toxics

Pollution control; Air pollution

A generic term referring to a harmful chemical or group of chemicals in the air. Substances that are especially harmful to health, such as those considered under U. S. EPA's ...

nitrogen oxides

Pollution control; Air pollution

A general term pertaining to compounds of nitric oxide (NO), nitrogen dioxide (NO 2 ) and other oxides of nitrogen. Nitrogen oxides are typically created during combustion ...

primary standard

Pollution control; Air pollution

A dosage of air pollution scientifically determined to protect against human health effects such as asthma, emphysema, and cancer.

propellant

Pollution control; Air pollution

A gas with a high vapor pressure used to force formulations out of aerosol spray cans. Among the gases used are butanes, propanes and nitrogen.

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