Title:
METHOD FOR DEHYDRATING SLUDGE
Document Type and Number:
Japanese Patent JP2002136999
Kind Code:
A
Abstract:
To provide a method for dehydrating sludge, forming coarse floc when used in sewage treatment, especially wastewater treatment and reducing the water content of a dehydrated cake.
A cationic polymeric flocculant comprizing branched polyvinylimidazoline and other cationic polymeric flocculant are together used to be added to and mixed with sludge to dehydrate sludge.
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Inventors:
TONO TOSHIYA
SHIMOZATO SHINJI
SHIMOZATO SHINJI
Application Number:
JP2000337281A
Publication Date:
May 14, 2002
Filing Date:
October 31, 2000
Export Citation:
Assignee:
TOSOH CORP
International Classes:
B01D21/01; C02F11/14; C08F8/32; C08F26/02; C08F26/06; (IPC1-7): C02F11/14; B01D21/01; C08F26/02; C08F26/06