JPH0570517B

PURPOSE:To obtain a granular material useful as a carrier, by a method wherein water is added to activated sludge incineration ash to be kneaded therewith and the resulting kneaded mixture is formed into a plate shape by compression molding while the plate-shaped molding is crushed after ageing. CON...

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Bibliographische Detailangaben
Hauptverfasser:	TOI YOSHIO, YOSHIDA FUMIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DISPOSAL OF SOLID WASTE METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RECLAMATION OF CONTAMINED SOIL SOIL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a granular material useful as a carrier, by a method wherein water is added to activated sludge incineration ash to be kneaded therewith and the resulting kneaded mixture is formed into a plate shape by compression molding while the plate-shaped molding is crushed after ageing. CONSTITUTION:Water is added to activated sludge incineration ash to be kneaded therewith and the resulting kneaded mixture is subsequently formed into a plate shape by compression molding using a compression molding machine. Thereafter, the plate-shaped molding is allowed to stand for several hr at ambient temp. to be aged and the hardness thereof is increased. Subsequently, the aged plate-shaped molding is crushed by a crusher and treated with a screen apparatus to obtain a granular material having a particle size of 0.25-2.0mm. This granular material is utilized for the treatment of activated carbon as a carrier. By this method, manufacturing cost can be reduced.