tower bottoms

  • 1tower bottoms — atmospheric tower bottoms vacuum tower bottoms …

    Petroleum refining glossary

  • 2vacuum 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

  • 3atmospheric tower bottoms — abbr. ATB …

    Petroleum refining glossary

  • 4Reboiler — Reboilers are heat exchangers typically used to provide heat to the bottom of industrial distillation columns. They boil the liquid from the bottom of a distillation column to generate vapors which are returned to the column to drive the… …

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  • 5Vacuum 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 …

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  • 6resid — 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

  • 7Bioasphalt — 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,… …

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  • 8ATB — abbr. for atmospheric tower bottoms …

    Petroleum refining glossary

  • 9VTB — abbr. for vacuum tower bottoms …

    Petroleum refining glossary

  • 10Continuous distillation — Image 1: Typical industrial distillation towers Image 2: A crude oil vacuum distillation column as used in oil refineries …

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