TREATMENT OF SEWERAGE SLUDGE AND SEWERAGE SLUDGE-TREATED MATERIAL

TREATMENT OF SEWERAGE SLUDGE AND SEWERAGE SLUDGE-TREATED MATERIAL

PURPOSE: To stably and effectively utilize a sewerage sludge by adding a specific quantity of a specific powder into a mixture of sludge and lime, obtained by mixing quick lime with the sewerage sludge followed by dehydrating, to remove malodor generated from the sewerage sludge in a large quantity....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHIRASAKA MASARU, USUKURA KEIICHI, TANOSAKI TAKAO, NOZAKI KENJI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:PURPOSE: To stably and effectively utilize a sewerage sludge by adding a specific quantity of a specific powder into a mixture of sludge and lime, obtained by mixing quick lime with the sewerage sludge followed by dehydrating, to remove malodor generated from the sewerage sludge in a large quantity. CONSTITUTION: After the sewerage sludge is mixed with quick lime and dehydrated, 0.5-15wt.% powder having >=50wt.% SiO2 content and showing acidity of