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    • 31. 发明申请
    • PROCESS AND APPARATUS FOR WATER PURIFICATION
    • 水净化工艺及设备
    • WO2012021402A2
    • 2012-02-16
    • PCT/US2011/046759
    • 2011-08-05
    • BUCHSBAUM, Norbert, Nathan
    • BUCHSBAUM, Norbert, Nathan
    • C02F1/24C02F1/10A23L2/70
    • C02F1/22A23L2/70C02F1/24C02F2103/08C02F2209/02Y02A20/132
    • A process for purifying water via freezing is disclosed. The process may include: contacting an aqueous mixture with a flotation medium, wherein the flotation medium has a density greater than or equal to the density of ice or hydrate and less than the density of the aqueous mixture or concentrated brine at its freezing point; reducing the temperature of the aqueous mixture to a temperature equal to or below the freezing point of the aqueous mixture to form ice or hydrate and a concentrate; phase separating the concentrate and the flotation medium; recovering the concentrate; and recovering the ice or hydrate and flotation medium as a slurry. Upon melting, phase separation of the resultant water from the flotation medium may provide a purified water product.
    • 公开了一种通过冷冻净化水的方法。 该方法可以包括:使含水混合物与浮选介质接触,其中浮选介质的密度大于或等于冰或水合物的密度,并且小于其凝固点处含水混合物或浓缩盐水的密度; 将含水混合物的温度降低到等于或低于含水混合物的冰点的温度,以形成冰或水合物和浓缩物; 相分离浓缩物和浮选介质; 回收浓缩物; 并以浆液的形式回收冰或水合物和浮选介质。 熔化后,所得水从浮选介质中相分离可提供净化水产品。