Title:
【発明の名称】抽出方法
Document Type and Number:
Japanese Patent JPH11513307
Kind Code:
A
Abstract:
PCT No. PCT/FI96/00538 Sec. 371 Date Jun. 19, 1998 Sec. 102(e) Date Jun. 19, 1998 PCT Filed Oct. 11, 1996 PCT Pub. No. WO97/13567 PCT Pub. Date Apr. 17, 1997An extraction method is disclosed, where organic impurities are removed from a phase essentially containing sulfuric acid, by means of supercritical or liquid carbon dioxide. In particular, the spent sulfuric acid from a process for production of alkylate fuel may be regenerated for re-introduction into the process without incineration.
Inventors:
Parbinen, Lasse
Sari, yucca
Sari, yucca
Application Number:
JP51474897A
Publication Date:
November 16, 1999
Filing Date:
October 11, 1996
Export Citation:
Assignee:
Kematool, eco-planning, salmon, yukichu
International Classes:
B01D11/04; C01B17/92; C10G21/08; (IPC1-7): B01D11/04; C10G21/08
Attorney, Agent or Firm:
Fukami Hisaro (3 outside)