发明名称 Method for treating metal contaminated water
摘要 The present invention relates to a process for treating contaminated water to precipitate metals without increasing the total dissolved solids content. In particular, the invention relates to the use of phosphoric acid and calcium hydroxide or calcium oxide to adjust the pH of chromium contaminated groundwater during the treatment process without increasing the total dissolved solids (TDS).
申请公布号 US6096223(A) 申请公布日期 2000.08.01
申请号 US19980166664 申请日期 1998.10.05
申请人 MERCK & CO., INC. 发明人 EL-SHOUBARY, YOUSSEF;SETH, SUBASH C.;SPEIZER, NED A.
分类号 C02F1/52;C02F1/58;C02F1/66;C02F1/70;C02F9/00;(IPC1-7):C02F1/62 主分类号 C02F1/52
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