SLUDGE TREATMENT AGENT AND SLUDGE TREATMENT METHOD USING THE SAME

PROBLEM TO BE SOLVED: To provide a sludge treatment agent and a sludge treatment method using the same. SOLUTION: Iron hydroxide and calcium sulfate are used in the sludge treatment agent not only to efficiently flocculate sludge but also to fix hydrogen sulfide being a malodorous component. Further...

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Main Authors ENJOJI HIDEO, TAKAHASHI MASAAKI, SAKURAI KAORU, IMAMURA SATOSHI, OSAWA SEIJI, KATO SUSUMU, SATO KUNIHIKO, SASAKI KENICHI
Format Patent
LanguageEnglish
Published 29.07.2004
Edition7
Subjects
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:PROBLEM TO BE SOLVED: To provide a sludge treatment agent and a sludge treatment method using the same. SOLUTION: Iron hydroxide and calcium sulfate are used in the sludge treatment agent not only to efficiently flocculate sludge but also to fix hydrogen sulfide being a malodorous component. Further, neutralized gypsum prepared by neutralizing various waste acids including an iron component can be used as the treatment agent to be utilized effectively. COPYRIGHT: (C)2004,JPO&NCIPI
Bibliography:Application Number: JP20030001172