cracking catalyst
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Cracking (chemistry) — In petroleum geology and chemistry, cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon carbon bonds in the… … Wikipedia
Catalyst Code — infobox Book | name = The Catalyst Code: The Strategies Behind the World s Most Dynamic Companies orig title = translator = author = David S. Evans Richard L. Schmalensee cover artist = country = United States language = English series = subject … Wikipedia
cracking — 1. A general term covering any of a variety of reactions and processes that convert high boiling fractions to more valuable lower boiling fractions. 2. A secondary refining process that uses heat and/or a catalyst to break down large chemical… … Petroleum refining glossary
cracking — /krak ing/, n. 1. (in the distillation of petroleum or the like) the process of breaking down certain hydrocarbons into simpler ones of lower boiling points by means of excess heat, distillation under pressure, etc., in order to give a greater… … Universalium
catalyst poison — ▪ chemistry substance that reduces the effectiveness of a catalyst in a chemical reaction. In theory, because catalysts are not consumed in chemical reactions, they can be used repeatedly over an indefinite period of time. In practice,… … Universalium
cracking — /ˈkrækɪŋ / (say kraking) noun 1. (in the distillation of petroleum or the like) the process of breaking down certain hydrocarbons into simpler ones of lower boiling points, by means of excess heat, distillation under pressure, addition of a… …
Catalyst coke — In many catalytic operations (e.g., catalytic cracking), carbon is deposited on the catalyst, thus deactivating the catalyst. The catalyst is reactivated by burning off the carbon, which is used as a fuel in the refining process. This carbon or … Energy terms
catalyst — 1. A substance that accelerates a chemical reaction without itself being affected. In refining, catalysts are used in the cracking process to produce blending components for fuels. 2. A substance used to accelerate or retard a chemical reaction… … Petroleum refining glossary
Fluid catalytic cracking — (FCC) is the most important conversion process used in petroleum refineries. It is widely used to convert the high boiling hydrocarbon fractions of petroleum crude oils to more valuable gasoline, olefinic gases and other products.cite book|author … Wikipedia
catalytic cracking — noun : cracking of petroleum oils (as gas oils or diesel oils) especially for the production of high octane gasoline in the presence of a catalyst (as clay) in various forms (as pellets or beads either stationary in a fixed bed or moving through… … Useful english dictionary
Petroleum coke, catalyst — The carbonaceous residue that is deposited on and deactivates the catalyst used in many catalytic operations (e.g., catalytic cracking). Carbon is deposited on the catalyst, thus deactivating the catalyst. The catalyst is reactivated by burning … Energy terms
