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    • 9. 发明申请
    • PROCESS AND SYSTEM FOR REMOVAL OF CONTAMINANTS FROM INDUSTRIAL STREAMS
    • 从工业流程中除去污染物的过程和系统
    • WO2008076314A2
    • 2008-06-26
    • PCT/US2007/025514
    • 2007-12-13
    • MYCELX TECHNOLOGIES CORPORATIONALPER, Hal
    • ALPER, Hal
    • B01D24/00
    • C02F1/288C02F1/004C02F1/285C02F1/4678C02F2001/46138C02F2001/46152C02F2101/20C02F2101/32C02F2301/08G01N15/0618G01N2015/0662G01N2015/0687Y02A20/156
    • A method and system for removing from an aqueous system which is contaminated therewith: (1) mercury present as colloids, ions and/or organically bound compounds, and (2) hydrocarbons solubilized, dispersed, and/or emulsified in the said system. Pursuant to the invention the aqueous system to be treated (such as "produced water")is passed successively through three filtration stages. The first filtration stage is provided with absorption media which effects reduction/removal of dispersed organically bound mercury species and of the dispersed and partially dissolved hydrocarbon phases, as well as of some colloidal mercury and other dissolved metallic species. The second filtration stage utilizes a salt modified reticulated granular filtration media for reduction/removal of slightly dissolved hydrocarbon phases, mercury in colloidal and ionic form and other dissolved metals. The third filtration stage is a polishing stage, which serves to further reduce by electroless or voltaic reduction residual elemental mercury and/or residual colloidal and ionic mercury. At this third stage metallic mercury is incorporated into a metallic matrix from which the mercury may preferably be recovered.
    • 用于从被污染的水性体系中除去的方法和系统:(1)作为胶体,离子和/或有机结合的化合物存在的汞,和(2)在所述体系中溶解,分散和/或乳化的烃。 根据本发明,待处理的水系(例如“生产的水”)依次通过三个过滤阶段。 第一个过滤阶段设置有吸收介质,其实现分散的有机结合的汞物质以及分散和部分溶解的烃相以及一些胶体汞和其它溶解的金属物质的还原/去除。 第二个过滤阶段使用盐改性的网状颗粒过滤介质来还原/去除微溶的烃相,胶体和离子形式的汞以及其他溶解的金属。 第三个过滤阶段是抛光阶段,其用于通过无电或电压还原残余元素汞和/或残留的胶体和离子汞进一步减少。 在该第三阶段,将金属汞并入金属基质中,汞可优选从其中回收。