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    • 6. 发明申请
    • METHOD AND ELECTRODIALYZER FOR REMOVING SALTS FROM AN ELECTROLYTIC AQUEOUS SOLUTION
    • 用于从电解质的水溶液中去除沉淀物的方法和电极法
    • WO1991004782A1
    • 1991-04-18
    • PCT/SU1990000143
    • 1990-06-05
    • MOSKOVSKOE NAUCHNO-PROIZVODSTVENNOE OBIEDINENIE ...MEDVEDEV, Igor NikolaevichVASILEVSKY, Vladimir PavlovichGDALIN, Semen IliichSAMSONOV, Nikolai Mikhailovich
    • MOSKOVSKOE NAUCHNO-PROIZVODSTVENNOE OBIEDINENIE ...
    • B01D61/44
    • B01D61/52B01D61/44C02F1/4604C02F1/469C02F2201/46115Y02A20/134
    • A method for removing salts from an aqueous solution consists in feeding the solution into an anode chamber (5) and applying a voltage to the electrodes. An acid solution obtained in the chamber (5) is fed to dilution chambers (7) and cathode chamber (8), and ions of salts and of the acid are transferred through membranes (2, 3, 4), thus ensuring the salt removal from the solution. The concentrate is extracted from the chamber (6) and the salted-out solution is extracted from the chamber (8). The electrodialyzer comprises a casing (1) with membranes (2, 3, 4) constituting an anode chamber (5), at least one pair (22) of chambers and a cathode chamber (8). The pair (22) of chambers consists of a concentration chamber (6) and a dilution chamber (7). Each of the chambers (6) is provided with a channel and the membrane (4) is provided with an opening (17). The invention makes it possible, by distribution and subsequent dosing of the acid from the chamber (5) to the chambers (6, 7, 8), to prevent sludge formation on the membranes (2, 3) and thus to increase the specific productivity of the salting-out process and to simultaneously decrease the specific energy consumption of the process.
    • 从水溶液中除去盐的方法在于将溶液送入阳极室(5)并向电极施加电压。 在室(5)中获得的酸溶液被供给到稀释室(7)和阴极室(8),盐和酸的离子通过膜(2,3,4)转移,从而确保除盐 从解决方案。 从室(6)中取出浓缩物,从室(8)中取出盐析溶液。 电渗析器包括具有构成阳极室(5)的膜(2,3,4),至少一对腔室(22)和阴极室(8)的壳体(1)。 一对室(22)由浓缩室(6)和稀释室(7)组成。 每个室(6)设有通道,膜(4)设置有开口(17)。 本发明通过从室(5)向室(6,7,8)的分配和随后的剂量分配,可以防止膜(2,3)上的污泥形成,从而提高比生产率 的盐析过程,并同时降低该过程的比能耗。