Title:
COAGULATING SEDIMENTATION METHOD OF WASTE WATER
Document Type and Number:
Japanese Patent JP2008126168
Kind Code:
A
Abstract:
To reduce the amount of an added natural material and cost while ensuring safety in coagulating sedimentation treatment of waste water.
In a coagulating sedimentation method of waste water, a coagulant containing chitosan derived from a natural material and a coagulant containing sodium alginate derived from a natural material are added to the waste water at a ratio of 1:1 to perform the coagulating sedimentation treatment.
Inventors:
OKAZAKI SATOSHI
Application Number:
JP2006315549A
Publication Date:
June 05, 2008
Filing Date:
November 22, 2006
Export Citation:
Assignee:
FUJI ENG
International Classes:
C02F1/56; B01D21/01
Domestic Patent References:
| JP2000262811A | 2000-09-26 | |||
| JPH08267051A | 1996-10-15 | |||
| JPH09187774A | 1997-07-22 | |||
| JPS57130599A | 1982-08-13 | |||
| JPH1057968A | 1998-03-03 |
Attorney, Agent or Firm:
Sadayuki Hosoi
Iwasakizaki Koji
Iwasakizaki Koji