Title:
SLUDGE DEHYDRATING AGENT AND SLUDGE DEWATERING METHOD
Document Type and Number:
Japanese Patent JP2019069442
Kind Code:
A
Abstract:
To provide a sludge dehydrating agent excellent in dewatering effect, particularly flocculating power and gravity filtering ability even if the amount added is small, and to provide a sludge dewatering method using the sludge dehydrating agent.SOLUTION: A sludge dehydration method using the sludge dehydrating agent with at least one crosslinked polymer selected from the group consisting of polymer A, polymer B and polymer C, which contains a monomer represented by a specific structural formula, in which the crosslinked polymer has an intrinsic viscosity measured with 1.0 N sodium nitrate of 0.5 to 5.0 d L/g.SELECTED DRAWING: None
Inventors:
SEKIGUCHI SHIHOKO
TAKEBAYASHI SATORU
SATO SHIGERU
WATANABE MINORU
TAKEBAYASHI SATORU
SATO SHIGERU
WATANABE MINORU
Application Number:
JP2018241626A
Publication Date:
May 09, 2019
Filing Date:
December 25, 2018
Export Citation:
Assignee:
KURITA WATER IND LTD
International Classes:
C02F11/14; B01D21/01; C08F20/06; C08F20/34; C08F26/04
Attorney, Agent or Firm:
Tamotsu Otani
Arinaga Shun
Arinaga Shun