CEMENT-BASED SOLIDIFICATION MATERIAL USING SLUDGE DRY POWDER AND MANUFACTURING METHOD THEREOF

PROBLEM TO BE SOLVED: To provide a cement-based solidification material by efficiently using concrete sludge, not decreasing flowability of solidification material slurry, and having good strength of a solidified soil.SOLUTION: A cement-based solidification material contains 0.5 to 4.5% of the mass...

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Bibliographische Detailangaben
Hauptverfasser:	YONEDA OSAMU, TODA YASUHIKO, TASAKA YUKIO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cement-based solidification material by efficiently using concrete sludge, not decreasing flowability of solidification material slurry, and having good strength of a solidified soil.SOLUTION: A cement-based solidification material contains 0.5 to 4.5% of the mass decrement at 400 to 500°C and 4 to 8% of the mass decrement at 600 to 800°C in a thermogravimetric analysis (TG), 3 to 10 mass% of acid insoluble residue (insol) and 45 to 60 mass% of calcium oxide, as well as 2 to 10 mass% of a concrete sludge heating dry powder having a Blain specific surface area of 5000 to 10000 cm/g.