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公开(公告)号：US20170247270A1
公开(公告)日：2017-08-31
申请号：US15516384
申请日：2015-10-02
Inventor： Aharon ARAKEL , Grant MOLONEY , Michael STARK , Samantha THEOBALD
CPC classification number: C02F1/5236 , C02F1/5254 , C02F1/66 , C02F2001/5218 , C02F2101/006 , C02F2101/20 , C02F2101/206 , C02F2103/10 , C02F2103/365 , C02F2301/08 , E21B21/00 , E21B43/26 , Y02W10/37
Abstract: Disclosed herein is a method for treating shale gas produced water. The method comprises adding a magnesium containing pH raising agent to the produced water, whereby a precipitate comprising magnesium hydroxide is formed; adding a source of carbonate ions to the produced water, whereby a carbonate containing precipitate is formed; and removing the precipitate to provide a treated water.
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公开(公告)号：US20160244348A1
公开(公告)日：2016-08-25
申请号：US15032254
申请日：2014-10-28
Inventor： Aharon ARAKEL , Grant MOLONEY , Michael STARK , Samantha THEOBALD
IPC: C02F9/00 , C22B3/44 , C01F11/18 , C02F1/04 , C02F1/52 , C02F1/66 , C02F5/06 , C02F5/02 , C22B26/10 , C01F5/24
CPC classification number: C02F9/00 , B01D61/025 , B01D61/04 , B01D2311/04 , B01D2311/08 , B01D2311/263 , B01D2311/2642 , C01B32/60 , C01D1/20 , C01D3/06 , C01D3/14 , C01F5/14 , C01F5/22 , C01F5/24 , C01F11/18 , C02F1/04 , C02F1/44 , C02F1/463 , C02F1/5236 , C02F1/66 , C02F5/02 , C02F5/06 , C02F2103/10 , C02F2103/32 , C02F2209/06 , C02F2303/22 , C22B3/44 , C22B26/10 , Y02W10/37
Abstract: Disclosed herein is a method for treating an alkaline brine. The method comprises adding a source of magnesium ions to the alkaline brine. A resultant magnesium-containing precipitate is separated to produce a spent brine. If the spent brine contains a sufficient amount of carbonate or bicarbonate ions, the spent brine is processed to recover a carbonate product.
Abstract translation: 本文公开了一种处理碱性盐水的方法。 该方法包括向碱性盐水中加入镁离子源。 分离得到的含镁沉淀物以产生废盐水。 如果废盐水含有足够量的碳酸盐或碳酸氢根离子，则处理废盐水以回收碳酸盐产物。
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