fixed-bed catalytic cracking

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• 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

• 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 reforming — is a chemical process used to convert petroleum refinery naphthas, typically having low octane ratings, into high octane liquid products called reformates which are components of high octane gasoline (also known as petrol). Basically, the process …   Wikipedia

• Huntsman (chemical plant) — Huntsman Chemical Company of Australia Pty Ltd (HCCA)operate a complex chemical manufacturing plant in Somerville Rd Brooklyn in Melbourne. The site is approximately 40 hectares in size and is located in the City of Brimbank. HCCA is partially… …   Wikipedia

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• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium