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Title:
粗プロパン及び/又は粗プロピレンの精製方法並びに精製装置
Document Type and Number:
Japanese Patent JP5255325
Kind Code:
B2
Abstract:
PURPOSE: A method and an apparatus for refining crude propane and/or crude propylene is provided to refine crude propane and/or crude propylene containing C4 hydrocarbon capable of stable continuous operation. CONSTITUTION: A method for refining crude propane and/or crude propylene comprises the steps of: distilling crude propane and/or crude propylene in a distillation tower(1) to become a first oil with propane and/or propylene as a main component and a second oil with hydrocarbon more than the carbon number 4 as a main component; and evaporating the second oil in the distillation tower to become a third oil with C4 hydrocarbon as a main component and a fourth oil with a C4 high-boiling point material as a main component.

Inventors:
Kazuhiko Sano
Kazushi Kaneko
Application Number:
JP2008132794A
Publication Date:
August 07, 2013
Filing Date:
May 21, 2008
Export Citation:
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Assignee:
Asahi Kasei Chemicals Corporation
International Classes:
C07C7/04; C07C7/06; C07C9/08; C07C11/06
Domestic Patent References:
JP5156233A
JP2005516902A
JP2001302562A
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Kazuhiko Naito