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Title:
TREATMENT OF SLUDGE
Document Type and Number:
Japanese Patent JPH0623399
Kind Code:
A
Abstract:

PURPOSE: To enhance dehydration efficiency only by dehydrating sludge or allowing sludge to stand for a definite time as a dehydrated cake.

CONSTITUTION: A clay mineral modified by substituting clay mineral based on silicon oxide and aluminum oxide and having cation exchangeability with a divalent metal ion or a unsubstituted clay mineral and a divalent metal compd. is added to and mixed with sludge or a dehydrated sludge cake and the resulting mixture is allowed to stand for a definite time to dehydrate and solidify sludge.


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Inventors:
GODA SHOICHI
KOBAYASHI TAKESHI
MIYASHITA TOSHITOMO
Application Number:
JP35822691A
Publication Date:
February 01, 1994
Filing Date:
December 27, 1991
Export Citation:
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Assignee:
EBARA INFILCO
International Classes:
B01D21/01; C02F11/00; C02F11/14; (IPC1-7): C02F11/14; B01D21/01
Domestic Patent References:
JPS5794400A1982-06-11
Attorney, Agent or Firm:
Tadashi Hagino (3 outside)



 
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