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    • 9. 发明授权
    • Adsorption method and ligands
    • 吸附法和配体
    • US07214321B2
    • 2007-05-08
    • US10312054
    • 2001-07-16
    • Makonnen BelewBo-Lennart JohanssonJean-Luc Maloisel
    • Makonnen BelewBo-Lennart JohanssonJean-Luc Maloisel
    • B01D15/04
    • B01J20/3285B01J39/04B01J39/18
    • The invention relates to a method for removing a positively charged substance from an aqueous liquid (I) by contacting the liquid with a cation-exchanger (1), possibly followed by a subsequent desorption of said substance. The cation-exchanger is selected to be capable of (a) binding to said substance by cation-exchange in an aqueous liquid reference (II) at an ionic strength corresponding to 0.3 M NaCl and (b) permitting a break through capacity for said substance 3200%, such as 3300% or 3500%, of the break-through capacity of said substance for a reference cation-exchanger (2) containing sulphopropyl groups —CH2CH2CH2SO2O—. The cation exchange ligands have an at least bimodal function by comprising a cation exchanging group and a separate hydrogen-bonding atom. The invention also relates to a method for testing the appropriateness of a cation-exchanger for removing a substance from a liquid and novel cation exchangers.
    • 本发明涉及通过使液体与阳离子交换剂(1)接触,从而可以随后随后解吸所述物质从水性液体(I)中除去带正电荷的物质的方法。 阳离子交换剂被选择为能够(a)在水性液体参考物(II)中以对应于0.3M NaCl的离子强度的阳离子交换结合所述物质,和(b)允许所述物质的破裂能力 例如300%或3%以上500%以上的所述物质用于参考阳离子交换器的穿透能力的200% (2)含有磺基丙基-CH 2 CH 2 CH 2 SO 2 O-。 阳离子交换配体通过包含阳离子交换基团和单独的氢键原子具有至少双峰功能。 本发明还涉及一种用于测试用于从液体和新型阳离子交换剂中除去物质的阳离子交换器的适当性的方法。