TREATMENT METHOD OF SEWAGE SLUDGE

PROBLEM TO BE SOLVED: To provide a treatment method for treating sludge using a dissolving facility providing a dissolving performance equal to that of the dissolving method using the conventional dissolving facility, and usable even in a narrow space, when efficiently dewatering a large amount of s...

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Bibliographische Detailangaben
Hauptverfasser:	AISO ATSUSHI, TANIGUCHI YASUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a treatment method for treating sludge using a dissolving facility providing a dissolving performance equal to that of the dissolving method using the conventional dissolving facility, and usable even in a narrow space, when efficiently dewatering a large amount of sludge from a sewage treatment facility. SOLUTION: A dispersion type polymer coagulant and dilution water are fed into a pipe to be brought into contact with each other. The mixed diluted liquid is fed to a sludge coagulation/mixing tank or a mechanical condensing facility in the sludge treatment facility, to coagulate or condense the sludge produced from sewage biological treatment. That is, the coagulated sludge is transferred to a belt type condenser from the sludge coagulation/mixing tank for condensing, or the diluted liquid is directly fed to a centrifugal condenser for condensing operation. COPYRIGHT: (C)2011,JPO&INPIT