olefinic content

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• 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

• Ozone — For other uses, see Ozone (disambiguation). Ozone …   Wikipedia

• Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… …   Wikipedia

• Epothilone — The epothilones are a new class of cytotoxic molecules identified as potential chemotherapeutic drugs. [Vincent T. DeVita, Jr., MD; Samuel Hellman, MD; and Steven A. Rosenberg, MD, PhD (2004) Cancer: Principles And Practice Of Oncology (7th… …   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

• Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione …   Wikipedia

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• Hydrofluoric acid — Chembox new ImageFile = Hydrogen fluoride.svg ImageSize = 100px ImageName = Hydrofluoric acid ImageFile1 = Hydrogen fluoride 3D vdW.png ImageSize1 = 100px ImageName1 = Hydrogen fluoride molecule OtherNames = fluoric acid; fluorhydric acid… …   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

• William Helmore — Ph.D., M.S., F.C.S. [Proceedings of the Chemical Society. May 1936.] , F.R.Ae.S., CBE [ [http://www.gazettes online.co.uk/ViewPDF.aspx?pdf=35586 geotype=London gpn=2489 type=ArchivedIssuePage all=helmore exact= atleast= similar= London Gazette… …   Wikipedia

• torbanite — /tawr beuh nuyt /, n. Petrol. a dark brown oil shale containing a large amount of carbonaceous matter. [1855 60; named after Torbane (Hill), in Linlithgowshire, Scotland; see ITE1] * * * ▪ mineral also called  Boghead Coal,         mineral… …   Universalium