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    • 5. 发明申请
    • REMOVING METALS FROM SOLUTION USING METAL BINDING COMPOUNDS AND SORBENTS THEREFOR
    • 使用金属结合化合物和其分子从溶液中除去金属
    • WO2004011120A1
    • 2004-02-05
    • PCT/US2003/023422
    • 2003-07-25
    • HERNANDEZ, MarkABU-DALO, Muna, Ahmed
    • HERNANDEZ, MarkABU-DALO, Muna, Ahmed
    • B01D15/00
    • C02F1/28B01J20/20B01J20/22B01J45/00C02F1/283C02F1/288C02F1/683C02F2101/103C02F2101/20C02F2103/10C02F2209/06C02F2303/18
    • Removing metals from metal containing acidic solutions, such as contaminated waters and industrial wastewaters, is described. An amphipathic, heterocyclic, metal-coordinating compound ( an extraordinary ligand) and a sorbent are added to a solution (410), such that the addition, at a specific acidic Ph of the solution, causes at least some of the metal-coordinating compound to bind with some of the metal cations and at least some of the metal-coordinating compound sorbs to the sorbent, along with any metal cations bound therewith. The compound and the sorbent may be added to the solution, either together or independently, so that the compound may bind the metal (420). The metal binding compound may be a benzotriazole, a benzothiazole, or another compound to bind a metal. The sorbent is selected to interact with the metal-coordinating compound in sequestering the metal from solution as part of a complexation. Thereafter, the ligand-metal complex may be removed from the solution (430).
    • 描述了从含金属的酸性溶液(如污染水和工业废水)中去除金属。 将两亲性,杂环,金属配位化合物(非常配位体)和吸附剂加入到溶液(410)中,使得在溶液的特定酸性Ph下加入至少一些金属配位化合物 将一些金属阳离子和至少一些金属配位化合物吸附物与其结合的任何金属阳离子结合到吸附剂上。 化合物和吸附剂可以一起或独立地加入到溶液中,使得化合物可以结合金属(420)。 金属结合化合物可以是苯并三唑,苯并噻唑或另一种结合金属的化合物。 选择吸附剂以与金属配位化合物相互作用,从而将金属从溶液中螯合,作为络合物的一部分。 此后,可以从溶液(430)中除去配体 - 金属络合物。