Title:
POLYMER FLOCCULANT
Document Type and Number:
Japanese Patent JP2000107513
Kind Code:
A
Abstract:
To provide a polymer flocculant which displays an excellent dewatering rate in dewatering of an organic sludge to be generated in microorganism treatment of sewage, human waste, or the like.
The polymer flocculant comprises a vinyl monomer polymerization product containing at least 50 mol% of a monomer as given in CH2=CR1- CO-X-Q-N(CH3)2.HZ [in the formula, R1 is H or CH3;X is O or NH; Q is CH2CH2, CH2CH2CH2 OR CH2CH(OH)CH2; Z is Cl or 1/2SO4.], an intrinsic viscosity (dl/g) measured at 30°C 1N-NaNO3 is at least 5, and pH of 0.2% aqueous solution is within a range of 2 to 4.
Inventors:
KAWAGUCHI SHINOBU
NODA KIMIHIKO
SUGITANI WATARU
NODA KIMIHIKO
SUGITANI WATARU
Application Number:
JP22472299A
Publication Date:
April 18, 2000
Filing Date:
August 06, 1999
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD
International Classes:
B01D21/01; C02F11/14; (IPC1-7): B01D21/01; C02F11/14
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