Title:
消費を目的とした流出水、特に地表水の物理化学的処理方法
Document Type and Number:
Japanese Patent JP3945541
Kind Code:
B2
Abstract:
Process for the physico-chemical treatment of effluent, especially of surface water intended for consumption, comprising the successive steps of coagulation, flocculation and settling, a contacting mass being introduced into the water coming from the coagulation step, and therefore during the flocculation step, and this contacting mass consisting of part of the densified sludge resulting from the settling step and recycled in the flocculation step, this process being characterized in that at least part of the polyelectrolyte ensuring flocculation is injected into a sludge-recirculation circuit.
Inventors:
Vienne, Patreak
Application Number:
JP53168498A
Publication Date:
July 18, 2007
Filing Date:
January 26, 1998
Export Citation:
Assignee:
DEGREMONT
International Classes:
C02F1/52; B01D21/00; B01D21/01; B01D21/08; B01D21/24
Domestic Patent References:
| JP6328500A | ||||
| JP2157005A | ||||
| JP5413665A |
Attorney, Agent or Firm:
Kanji Arai
Eiichiro Shimazaki
Eiichiro Shimazaki
Previous Patent: 移動局によるキャッシュレス支払い
Next Patent: CATALYST FOR PROPYLENE POLYMERIZATION AND PRODUCTION OF PROPYLENE POLYMER
Next Patent: CATALYST FOR PROPYLENE POLYMERIZATION AND PRODUCTION OF PROPYLENE POLYMER