METHOD FOR PRODUCING SUPER-LIGHTWEIGHT MATERIAL

PROBLEM TO BE SOLVED: To provide a method for stably producing a super-lightweight material having specific gravity in oven-dried state of ≤1.0 g/cm3at a low cost. SOLUTION: The method for producing a super-lightweight material includes a firing process for firing granules of an expansible raw mater...

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Bibliographische Detailangaben
Hauptverfasser:	OZU HIROSHI, ABE NOBUHIKO, NAKAMURA KAZUFUMI, IMAI TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for stably producing a super-lightweight material having specific gravity in oven-dried state of ≤1.0 g/cm3at a low cost. SOLUTION: The method for producing a super-lightweight material includes a firing process for firing granules of an expansible raw material or expanded shale by a rotary kiln while adding a fusion preventing agent to the granules or the like, in which fine particles recovered from an exhaust gas of the rotary kiln and containing the fusion preventing agent is returned to the firing process. COPYRIGHT: (C)2011,JPO&INPIT