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    METHOD AND DEVICE FOR TREATING METAL ION-CONTAINING LIQUIDS
    4.
    发明公开
    METHOD AND DEVICE FOR TREATING METAL ION-CONTAINING LIQUIDS 审中-公开
    处理含金属离子液体的方法和装置

    公开(公告)号：EP3279900A1

    公开(公告)日：2018-02-07

    申请号：EP16772932.6

    申请日：2016-03-30

    Applicant: Kurita Water Industries Ltd. ,  Hitachi-GE Nuclear Energy, Ltd.

    Inventor： MIYAMOTO, Shingo ,  HIROSE, Mami ,  IWASAKI, Mamoru ,  KOMORI, Hideyuki ,  AIZAWA, Motohiro ,  OTA, Nobuyuki ,  SUMIYA, Takako ,  ISHIDA, Kazushige

    IPC: G21F9/06 ,  C02F1/469 ,  C25C1/08 ,  C25C7/04 ,  G21F9/12

    CPC classification number: C02F1/4695 ,  B01D61/48 ,  C02F1/469 ,  C02F2101/203 ,  C25C1/08 ,  C25C7/04 ,  G21F9/06 ,  G21F9/12

    Abstract: A method in which an anode chamber equipped with an anode and a cathode chamber equipped with a cathode are separated by a cation exchange membrane, an acid solution containing metal ions is introduced into the anode chamber, a cathode solution is introduced into the cathode chamber, and a current is applied across the anode and the cathode, whereby the metal ions in the solution in the anode chamber are caused to pass through the cation exchange membrane, move into the cathode solution, and precipitate as metal onto the cathode, wherein there are minimal instances where electrodeposition is impossible or the electrodeposition rate decreases as caused by concentration-diffusion of the acid from the acid solution in the anode chamber into the cathode solution through the cation exchange membrane, and a decrease in the pH of the cathode solution. Pre-adding a salt of the acid contained in the acid solution introduced into the anode chamber to the cathode solution introduced into the cathode chamber makes it possible to suppress concentration-diffusion of the acid from the acid solution in the anode chamber into the cathode solution through the cation exchange membrane. Adding a salt of the acid into the cathode chamber makes it possible also to reduce the impressed voltage, reduce the amount of hydrogen generated on the cathode, and reduce the amount of power.

    Abstract translation: 将阳极室和阴极室分别用阳离子交换膜分离的方法，将含有金属离子的酸溶液引入阳极室，将阴极溶液引入阴极室， 并且在阳极和阴极之间施加电流，由此使得阳极室中的溶液中的金属离子穿过阳离子交换膜，移动到阴极溶液中，并且作为金属沉淀到阴极上，其中存在 由于酸从阳极室中的酸溶液通过阳离子交换膜进入阴极溶液的浓缩扩散以及阴极溶液的pH降低而导致电沉积不可能或电沉积速率降低的最小情况。 将导入阳极室的酸溶液中含有的酸的盐预先加入到导入阴极室的阴极溶液中，可以抑制酸从阳极室中的酸溶液进入阴极溶液中的浓度扩散 通过阳离子交换膜。 将酸盐加入阴极室也可以降低外加电压，减少阴极上产生的氢气量，并降低功率。

    METHOD AND PLANT FOR THE TREATMENT OF SULPHATE CONTAINING WASTE WATER
    5.
    发明公开
    METHOD AND PLANT FOR THE TREATMENT OF SULPHATE CONTAINING WASTE WATER 审中-公开
    用于处理含硫酸盐废水的方法和设备

    公开(公告)号：EP3169633A1

    公开(公告)日：2017-05-24

    申请号：EP15756990.6

    申请日：2015-07-14

    Applicant: Water Research Commission

    Inventor： JOUBERT, Johannes Hendrikus Brand ,  POCOCK, Gina

    IPC: C02F3/08 ,  C02F1/52 ,  C02F1/66 ,  C02F103/10

    CPC classification number: C02F9/00 ,  C02F1/20 ,  C02F1/441 ,  C02F1/5236 ,  C02F1/66 ,  C02F1/72 ,  C02F3/04 ,  C02F3/087 ,  C02F3/345 ,  C02F2101/101 ,  C02F2101/203 ,  C02F2103/10 ,  C02F2305/06 ,  Y02W10/15

    Abstract: A process for treating sulphate containing effluent, which includes receiving a sulphide containing effluent into a two-phase fluidised bed reactor containing particles and floating media, permitting calcium carbonate from the effluent to precipitate on particles in the first fluidised bed reactor, aerating the solution in the reactor to remove CO2 from the solution, thereby to increase the pH in the reactor, permitting biological sulphide oxidation to occur on the floating media by means of sulphide oxidizing bacteria thereby to produce elemental sulphur, recycling the fluidised bed reactor at a sufficient rate to effect abrasion to remove elemental sulphur from the floating media, harvesting the sulphur from a top portion of the reactor, recycling hydroxyl ions internally in solution in to enhance calcium carbonate precipitation by further increasing the pH.

    Abstract translation: 一种处理含硫酸盐的流出物的方法，其包括将含硫化物的流出物接收到含有颗粒和漂浮介质的两相流化床反应器中，允许来自流出物的碳酸钙沉淀在第一流化床反应器中的颗粒上，将溶液通入 该反应器从溶液中除去CO 2，由此提高反应器中的pH值，允许借助于硫化物氧化细菌在漂浮介质上发生生物硫化物氧化，由此产生元素硫，以足够的速率将流化床反应器再循环至 从浮动介质中除去元素硫，从反应器的顶部收获硫，将溶液中的羟基离子内部再循环以通过进一步提高pH来增强碳酸钙沉淀。

    METHOD FOR METAL CONCENTRATION, METHOD FOR METAL RECOVERY, DEVICE FOR METAL CONCENTRATION, AND DEVICE FOR METAL RECOVERY
    6.
    发明公开
    METHOD FOR METAL CONCENTRATION, METHOD FOR METAL RECOVERY, DEVICE FOR METAL CONCENTRATION, AND DEVICE FOR METAL RECOVERY 审中-公开
    VERFAHREN ZUR METALLKONZENTRATION，VERFAHREN ZUR METALLGEWINNUNG，VORTHHTUNG ZUR METALLKONZENTRATION和VORRICHTUNG ZUR METALLGEWINNUNG

    公开(公告)号：EP3162905A1

    公开(公告)日：2017-05-03

    申请号：EP16200867

    申请日：2014-01-21

    Applicant: MITSUBISHI RAYON CO ,  UNIV OSAKA PREFECT PUBLIC CORP

    Inventor： KONISHI YASUHIRO ,  SAITOH NORIZOH ,  AMBO TAKANORI ,  TERAZAWA KAORU ,  RYUNO KOICHIRO ,  NINOMIYA YASUHIRO

    IPC: C22B3/22

    CPC classification number: C12P3/00 ,  B22F9/24 ,  B22F2301/25 ,  B22F2301/255 ,  B22F2304/058 ,  C02F3/00 ,  C02F3/006 ,  C02F3/1268 ,  C02F3/346 ,  C02F2101/20 ,  C02F2101/203 ,  C02F2305/06 ,  C22B3/18 ,  C22B3/22 ,  C22B11/04 ,  Y02P10/234 ,  Y02P20/582 ,  Y02W10/15

    Abstract: An objective of invention is conveniently concentrating a metal in a metal ion-containing solution with high efficiency and to recover the metal from the metal ion-containing solution with high recovery efficiency. A method for concentrating or recovering a metal in a metal ion-containing solution in the present invention is the method comprising the following steps, a reduction and accumulation step to reduce the metal ion into a metal fine particle and also to accumulate the metal fine particle in the microorganism by allowing the microorganism and an electron donor B to act on a metal ion-containing solution W 0 and thus to obtain a solution W 1 that contains a microorganism having a metal fine particle accumulated therein; a concentration step to concentrate the solution W 1 that contains the microorganism having a metal fine particle accumulated therein by a filtration membrane and thus to obtain a concentrated solution W 2 ; and a return step to return the concentrated solution W 2 to first step above and thus to circulate. Further, A device for metal concentration or recovering in the present invention comprises the following: a storage unit 2 to store the solution W 1 , a concentration unit 3 to concentrate the solution W 1 that is transferred from the storage unit 2 by a filtration membrane, and a return unit 4 to return a concentrated solution W 2 that is concentrated in the concentration unit 3 to the storage unit 2.

    Abstract translation: 本发明的目的是方便地高效率地将金属浓缩在含金属离子溶液中，并以高回收效率从含金属离子溶液中回收金属。 本发明中的金属离子含有液中的金属的浓缩或回收方法包括以下工序：将金属离子还原成金属微粒并还积累金属微粒的还原积累工序 在微生物中通过使微生物和电子供体B作用于含金属离子的溶液W 0上从而获得含有其中积聚有金属微粒的微生物的溶液W 1; 浓缩步骤，通过过滤膜浓缩包含其中聚集有金属微粒的微生物的溶液W 1，从而获得浓缩溶液W 2; 以及使浓缩溶液W 2返回到上述第一步并因此循环的返回步骤。 另外，本发明中的金属浓缩或回收装置包括：储存单元2，储存溶液W 1;浓缩单元3，浓缩单元3将通过过滤膜从储存单元2转移的溶液W 1浓缩 以及返回单元4，将浓缩单元3中浓缩的浓缩液W2返回到存储单元2。

    METHOD AND APPARATUS FOR DECREASING THE CONTENT OF IMPURITIES IN RAW WATER
    9.
    发明公开
    METHOD AND APPARATUS FOR DECREASING THE CONTENT OF IMPURITIES IN RAW WATER 审中-公开
    VERFAHREN UND VORRICHTUNG ZUR VERRINGERUNG DES GEHALTS VERUNREINIGUNGEN在ROHWASSER

    公开(公告)号：EP3013754A4

    公开(公告)日：2017-01-04

    申请号：EP13888128

    申请日：2013-06-27

    Applicant: 2ALFA HYDROTECH AB

    Inventor： HALLBERG ROLF O

    IPC: C02F1/64 ,  C02F1/72 ,  C02F3/30 ,  C02F101/16 ,  C02F101/20 ,  C02F103/06

    CPC classification number: C02F3/302 ,  C02F1/001 ,  C02F1/006 ,  C02F1/72 ,  C02F3/306 ,  C02F2101/103 ,  C02F2101/163 ,  C02F2101/166 ,  C02F2101/20 ,  C02F2101/203 ,  C02F2101/206 ,  C02F2103/06 ,  C02F2203/006 ,  C02F2209/001 ,  C02F2209/003 ,  C02F2209/03 ,  C02F2209/40 ,  C02F2301/063 ,  C02F2305/06

    Abstract: The present invention relates to a method for decreasing the contents of metals, metalloids, nitrate and nitrite, respectively, in raw water flowing through a basin (1), whereby water containing either oxygen, oxygen-releasing substances, naturally occurring micro-organisms and/or substrates therefore is intermittently introduced to the basin (1) through horizontally arranged infiltration/extraction means (2) above and below the injection pipes of raw water, and by alternating the withdrawal and infiltration of conditioned water between the horizontal means so that essentially a vertical flow of water is created between these means, thereby creating a reaction zone for purification of raw water before it reaches the central extraction well. The water to be purified is fed into the basin by horizontally arranged feeding pipes (5) and the extraction of purified water from said at least one extraction well (3) is such that a substantially negative pressure is created around said at least one extraction well (3). The invention relates also to an apparatus for carrying out the method.

    Abstract translation: 本发明涉及一种在流过盆（1）的原水中分别降低金属，准金属，硝酸盐和亚硝酸盐的含量的方法，其中含有氧，释氧物质，天然存在的微生物和 因此，通过在原水的注入管上方和下方的水平布置的渗透/提取装置（2）将间歇地引入到盆（1）中，并且通过在水平装置之间交替排出和渗透调节水，使得基本上 在这些装置之间产生垂直的水流，从而在原水到达中央提取井之前形成净化原水的反应区。 要净化的水通过水平布置的进料管（5）进料到盆中，并且从所述至少一个提取井（3）中提取净化水使得在所述至少一个提取井周围产生基本的负压 （3）。 本发明还涉及一种用于执行该方法的装置。

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