Title:
【発明の名称】シクロデキストリンによる水の浄化
Document Type and Number:
Japanese Patent JP2001507618
Kind Code:
A
Abstract:
PCT No. PCT/FR97/01920 Sec. 371 Date Jul. 2, 1999 Sec. 102(e) Date Jul. 2, 1999 PCT Filed Oct. 27, 1997 PCT Pub. No. WO98/18722 PCT Pub. Date May 7, 1998The invention relates to a process for the purification of water with a view to separating therefrom at least one organic substance, particularly olfactory pollutants such as (-)geosmine and (+)2-methyl-isoborneol. This process consists of contacting the water to be purified with a cyclodextrin of formula: in which R1 represents a hydrogen atom, a C1 to C12 alkyl group or the acetyl group CH3CO-, R2 and R3, which can be the same or different, represent H or R1, and n=5, 6 or 7, in order to include therein the organic substance or substances to be separated and separating the purified water from the cyclodextrin.
Inventors:
Perry, Bruno
Baudan, Cecil
Gosselan, Pascal
Baudan, Cecil
Gosselan, Pascal
Application Number:
JP52011898A
Publication Date:
June 12, 2001
Filing Date:
October 27, 1997
Export Citation:
Assignee:
Komitsaria Talenergy Atomique
International Classes:
C02F1/28; (IPC1-7): C02F1/28
Attorney, Agent or Firm:
Masatake Shiga (1 person outside)