发明名称 Method of treating wet-washed silica dust
摘要 A method of treating the silica dust recovered from waste gasses by wet-washing of the gasses is disclosed. The sludge material is charged to a rotary kiln at a temperature of 800 DEG - 1,400 DEG C. in the presence of an oxidizing or reducing agent whereby the sludge is converted to pellets while phenols and cyanides are simultaneously treated.
申请公布号 US4116830(A) 申请公布日期 1978.09.26
申请号 US19770789865 申请日期 1977.04.22
申请人 ELKEM-SPIGERVERKET A/S 发明人 KROGSRUD, HARALD
分类号 B01J2/12;B09B3/00;C02F11/00;C02F11/06;C22B1/14;F23J1/00;(IPC1-7):C02C5/06 主分类号 B01J2/12
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