Title:
【発明の名称】難脱水性スラッジの脱水方法
Document Type and Number:
Japanese Patent JP2002526253
Kind Code:
A
Abstract:
The present invention provides a new method for dewatering difficult sludges, such as autothermal thermophilic aerobic digestion sludges. The method incorporates a three-component treatment system. Initially, the difficult sludge is dosed with an inorganic coagulant and then the resulting sludge-inorganic mixture is dosed with a microparticle component. Lastly, the resulting mixture is dosed with a high molecular weight flocculant.
Inventors:
Someies, Anthony, Gee.
Shah, The Tendra
Shah, The Tendra
Application Number:
JP2000574029A
Publication Date:
August 20, 2002
Filing Date:
June 29, 1999
Export Citation:
Assignee:
Nalco Chemical Company
International Classes:
B01D21/01; C02F11/143; C02F11/148; (IPC1-7): C02F11/14; B01D21/01
Attorney, Agent or Firm:
Yasuo Ishikawa