Method for producing ceramic sand & ceramsite with caustic sludge and coal ash

Suspension of caustic sludge and flyash are mixed in mixing can through wet process in the ratio of 0.25-0.70 to 0.30-0.75, and the mixture is passed through ageing and solid-liquid separation to obtain intermediate product with 20-40% moisture content, which is pelletized in common pelletizer and n...

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Bibliographische Detailangaben
Hauptverfasser:	LIU SHENGTAI, QIAO XIHAI, XING MINCHENG
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY 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
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Beschreibung
Zusammenfassung:	Suspension of caustic sludge and flyash are mixed in mixing can through wet process in the ratio of 0.25-0.70 to 0.30-0.75, and the mixture is passed through ageing and solid-liquid separation to obtain intermediate product with 20-40% moisture content, which is pelletized in common pelletizer and naturally cured for 7-8 days to obtain the product. The said product is used as backfill for brine medium in flood land and those with 100 mm over size may also be used as backfill for sea beach land.