TREATMENT OF SLUDGE AND TREATED MATTER OF SLUDGE FOR CEMENT STARTING MATERIAL

TREATMENT OF SLUDGE AND TREATED MATTER OF SLUDGE FOR CEMENT STARTING MATERIAL

PROBLEM TO BE SOLVED: To use effectively and stably a sludge while reducing an energy cost and a usage of calcium oxide by mixing calcium oxides to the sludge containing more than specified amount water content to reduce the water content of the mixture to a specified range. SOLUTION: At the time of...

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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:PROBLEM TO BE SOLVED: To use effectively and stably a sludge while reducing an energy cost and a usage of calcium oxide by mixing calcium oxides to the sludge containing more than specified amount water content to reduce the water content of the mixture to a specified range. SOLUTION: At the time of treating an org. sewerage sludge, the calcium oxides are mixed to the sludge having =15% and =20% and