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heavy cracking

См. также в других словарях:

  • Cracking Under Pressure — Studio album by Iron City Houserockers Released 1983 …   Wikipedia

  • 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

  • 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

  • heavy oil and tar sand — Introduction       crude oils (crude oil) below 20° API gravity are usually considered to be heavy. The lighter conventional crudes are often waterflooded to enhance recovery. The injection of water into the reservoir helps to maintain reservoir… …   Universalium

  • cracking — I. adjective Date: 1830 very impressive or effective ; great II. adverb Date: 1903 very, extremely < a cracking good book > III. noun Date: 1868 …   New Collegiate Dictionary

  • cracking — n. process where heavy molecules of petroleum are broken down into hydrocarbons of lower molecular weight; thermal decomposition kræk n. fracture, split; loud sharp noise; blow; witty remark; form of cocaine v. split, fracture; make a loud sharp …   English contemporary 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

  • Crocodile cracking — Crocodile cracking, also called fatigue cracking or alligator cracking, is a common type of distress in asphalt pavement. It is usually studied under the transportation section of civil engineering. Crocodile cracking is characterized by… …   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

  • Fluid Catalytic Cracking — (FCC, engl.) ist der bedeutendste Stoffumwandlungsprozess in der erdölverarbeitenden Industrie. Dieses Verfahren findet breite Anwendung zur Umsetzung schwerer Erdölfraktionen in wertvolle Olefine (Ethen, Propen, Buten), Catcracker Benzin, Gasöl… …   Deutsch Wikipedia

  • thermal cracking — 1. A refining process in which heat and pressure are used to break down, rearrange, or combine hydrocarbon molecules. Thermal cracking includes gas oil visbreaking, fluid coking, delayed coking, and other thermal cracking processes (e.g.,… …   Petroleum refining glossary

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