发明名称 WERKWIJZE VOOR HET VERWIJDEREN VAN ZWARE METALEN UIT WATERIGE MEDIA.
摘要 <p>Removing heavy metals, particularly cadmium, from acidic aqueous media by addition of an alkali or alkaline earth diphenyldithiocarbamate in an amount of 1-25 gram moles per gram atom heavy metals present, precipitation of the soluble organic heavy metal complex formed, and separation of the precipitate from the aqueous medium. With this process the heavy metals can substantially be removed from even extremely acid, and possibly hot, aqueous media.</p>
申请公布号 NL8300446(A) 申请公布日期 1984.09.03
申请号 NL19830000446 申请日期 1983.02.05
申请人 UNIE VAN KUNSTMESTFABRIEKEN B.V. TE UTRECHT. 发明人
分类号 C01B25/238;C01G11/00;C02F1/52;C02F1/68;C22B3/34;C22B60/02;(IPC1-7):02F1/62 主分类号 C01B25/238
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