METHOD FOR MAKING HARMFUL HEAVY METAL HARMLESS BY SINTERING

    公开(公告)号:JPS5662584A

    公开(公告)日:1981-05-28

    申请号:JP14081879

    申请日:1979-10-30

    Abstract: PURPOSE:To prevent heavy metals from being discharged from the flue, by supplying oxygen at a specific temperature or below for preliminarily sintering in case that silicate is mixed with the residue including a harmful heavy metal and carbon. CONSTITUTION:Silicate or a silicate mixture is mixed with the residue including harmful heavy metals such as Cd, Cr and Pb and C, and they are sintered preliminarily at >=700 deg.C while supplying oxygen or gas containing oxygen (such as air), and the preliminarily sintered material of

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