Title:
目的成分の分離方法
Document Type and Number:
Japanese Patent JP4322327
Kind Code:
B2
Abstract:
A method for separating an objective component from a crude material in a time lagged multi-stage counter flow system, comprises: (a) contacting the crude material with a washing liquid or an extracting reagent in a semi-batch system to form a mixture of the crude material and the washing liquid or extracting reagent; (b) separating the mixture into a recovered liquid containing the objective oomponent and a residue, with the proviso that the mixture is not separated with a separation membrane that is connected to a tank containing the crude material; and repeating (a) and (b) at least once, wherein the concentration of the objective component is successively lower in the washing liquid or extracting reagent contacted with the crude material in each (a).
Inventors:
Yasuhiro Tateishi
Youichi Shimoi
Youichi Shimoi
Application Number:
JP13909998A
Publication Date:
August 26, 2009
Filing Date:
April 14, 1998
Export Citation:
Assignee:
Tsukishima Environmental Engineering Co., Ltd.
International Classes:
B01D11/00; B01D11/02; B03B5/00; C22B7/00
Domestic Patent References:
| JP1152198A | ||||
| JP59500087A | ||||
| JP62262703A | ||||
| JP8131979A | ||||
| JP10211423A |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama