Title:
溶液中に有機物及び塩類を含む液の脱塩法
Document Type and Number:
Japanese Patent JPH09512743
Kind Code:
A
Abstract:
PCT No. PCT/FR95/00595 Sec. 371 Date Oct. 24, 1996 Sec. 102(e) Date Oct. 24, 1996 PCT Filed May 9, 1995 PCT Pub. No. WO95/30482 PCT Pub. Date Nov. 16, 1995A process of demineralizing a liquid containing organic matter and inorganic salts in solution, in which the treatment of the liquid comprises the following steps: the liquid is percolated over a strong cationic ion exchange resin for monovalent ions; both a batch of liquid from the preceding step and a brine for receiving ions from that liquid are caused to circulate in loops through at least one "two-compartment" electrodialyzer comprising a plurality of anionic membranes interposed between a plurality of cationic membranes; and the brine whose salt concentration lies in the range 90 grams per liter (g/l) to 110 g/l is used to regenerate the ion exchange resin.
Inventors:
ノエル，ロラン
Application Number:
JP52873195A
Publication Date:
December 22, 1997
Filing Date:
May 09, 1995
Export Citation:
Assignee:
ソシエテ アノニム フランセーズ ディンジュニエーリエ エ ドゥ ルシェルシェ
International Classes:
A23C9/144; A23C9/146; B01D61/42; B01D61/58; B01J39/04; B01J49/00; C02F1/469; C02F1/42; (IPC1-7): B01D61/42; A23C9/144; A23C9/146; B01D61/58; B01J39/04; B01J49/00
Attorney, Agent or Firm:
石田 敬 （外３名）