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vacuum tower bottoms

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  • vacuum tower bottoms — abbr. VTB Vacuum Tower Bottoms (VTB) are the left over bottom product of distillation, which can be processed in cokers and used for upgrading into gasoline, diesel and gas oil. Crude oil separation is performed in a series of distillation towers …   Petroleum refining glossary

  • tower bottoms — atmospheric tower bottoms vacuum tower bottoms …   Petroleum refining glossary

  • Vacuum distillation — At atmospheric pressure, dimethyl sulfoxide boils at 189°C. Under a vacuum, it distills off into the connected receiver at only 70°C. Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is …   Wikipedia

  • resid — Short for Residuum. General term for any refinery fraction that is left behind in a distillation. Atmospheric resid, sometimes called long resid or atmospheric tower bottoms (ATB), is the undistilled fraction in an atmospheric pressure… …   Petroleum refining glossary

  • Bioasphalt — is an asphalt alternative made from bitumen from non petroleum based renewable resources.These sources includes sugar, and rice, corn and potato starches, natural tree and gum resins, natural latex rubber and vegetable oils, lignin, cellulose,… …   Wikipedia

  • VTB — abbr. for vacuum tower bottoms …   Petroleum refining glossary

  • Continuous distillation — Image 1: Typical industrial distillation towers Image 2: A crude oil vacuum distillation column as used in oil refineries …   Wikipedia

  • Distillation — Distiller and Distillery redirect here. For other uses, see Distiller (disambiguation) and Distillery (disambiguation). For other uses, see Distillation (disambiguation). Laboratory display of distillation: 1: A heating device 2: Still pot 3:… …   Wikipedia

  • steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

  • petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

  • Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …   Universalium

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