METHOD AND APPARATUS FOR SEPARATING ALKYL AROMATIC HYDROCARBON

Title:

METHOD AND APPARATUS FOR SEPARATING ALKYL AROMATIC HYDROCARBON

Document Type and Number:

WIPO Patent Application WO/2014/003000

Kind Code:

A9

Abstract:

A method for separating an alkyl aromatic hydrocarbon, comprising the steps of: adding a first diluent and an extraction agent comprising a superstrong acid to a mixture containing the alkyl aromatic hydrocarbon and at least one isomer thereof to carry out acid-base extraction, thereby forming a complex of the alkyl aromatic hydrocarbon and the superstrong acid, and subsequently separating the complex from the mixture; and adding a release agent having a base degree of 0.06 to 10 relative to the alkyl aromatic hydrocarbon and a second diluent to the complex to carry out complex exchange between the alkyl aromatic hydrocarbon and the release agent, thereby separating the alkyl aromatic hydrocarbon from the complex.

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Inventors:

NISHIUCHI JUNYA (JP)
NAGAO SHINICHI (JP)
TANAKA YOSHITAKA (JP)
KITAMURA MITSUHARU (JP)
OKA HIROAKI (JP)

Application Number:

PCT/JP2013/067383

Publication Date:

March 27, 2014

Filing Date:

June 25, 2013

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Assignee:

MITSUBISHI GAS CHEMICAL CO (JP)

International Classes:

C07C7/152; B01D11/04; C07C7/04; C07C7/10; C07C15/02; C07C15/073; C07C15/08; C07C25/13

Attorney, Agent or Firm:

INABA, Yoshiyuki et al. (JP)
Yoshiyuki Inaba (JP)

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