WASTE SMOKE TREATING AGENT AND METHOD FOR PRODUCING CEMENT BY USING THE SAME

PROBLEM TO BE SOLVED: To obtain a waste smoke treating agent which, when it becomes wastes, can be easily used as a cement material without carrying out a complicated calculation for proportioning raw materials and to provide a method for producing a cement by using the same as a part of the raw mat...

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Bibliographische Detailangaben
Hauptverfasser:	ASAUMI JUNJI, TSUZUMI TAKESHI, UCHIYAMA YASUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DISPOSAL OF SOLID WASTE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RECLAMATION OF CONTAMINED SOIL SOIL REFRACTORIES SEPARATION SLAG THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a waste smoke treating agent which, when it becomes wastes, can be easily used as a cement material without carrying out a complicated calculation for proportioning raw materials and to provide a method for producing a cement by using the same as a part of the raw materials. SOLUTION: The waste smoke treating agent has a composition of 60-70 mass % CaO, 10-17 mass % SiO2, 1-5 mass % Al2O3, and 1-3 mass % Fe2O3. When the agent becomes a soot-containing one after it is used, it is washed with water and is then fed into a cement production process in the position where the temperature is in the range of 700-1,100 deg.C.