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    • 1. 发明公开
    • 물로부터 불소화합물계 물질을 제거하는 시스템 및 방법
    • 从水中去除氟化物的系统和方法
    • KR1020090119861A
    • 2009-11-20
    • KR1020097017455
    • 2008-02-15
    • 쓰리엠 이노베이티브 프로퍼티즈 캄파니
    • 메이더브라이언티클룬토마스피이어스레쉬에스
    • A01N33/02C02F1/58C02F101/14
    • C02F1/42B01J41/04B01J41/05B01J41/12C02F2101/14
    • Systems and processes for the removal of fluorochemicals from water are provided. Systems according to the invention include a vessel containing the ion exchange resin, the ion exchange resin including an insoluble matrix having functional groups bonded to the matrix, the functional groups being amines of the formula: N(R1R2R3) Where N is nitrogen; and R1, R2 and R3 are hydrocarbon groups and can be the same or different, normal, branched and/or partially or fully substituted (e.g., fluorinated) and having a carbon chain length of C1 or greater, the hydrocarbon chain optionally including polar groups (e.g., O, N, S). An inlet for directing a flow of water into the vessel is provided to facilitate contact between the water and the ion exchange resin; and an outlet is provided to direct a flow of water out of the vessel after the water is treated. A process for the removal of fluorochemicals from water is also provided by exposing water to the foregoing ion exchange resin, maintaining the water in contact with the resin for a period of time, and thereafter separating the water from the resin.
    • 提供了从水中除去含氟化合物的系统和方法。 根据本发明的系统包括含有离子交换树脂的容器,所述离子交换树脂包括具有与基质键合的官能团的不溶性基质,所述官能团是下式的胺:N(R 1 R 2 R 3)其中N是氮; 并且R 1,R 2和R 3是烃基并且可以相同或不同,正常,支链和/或部分或完全取代(例如氟化)并具有C1或更大的碳链长度,烃链任选地包括极性基团 (例如,O,N,S)。 提供用于将水流引导到容器中的入口以便于水和离子交换树脂之间的接触; 并且在处理水之后提供出口以将水流引导出容器。 通过将水暴露于上述离子交换树脂,保持水与树脂接触一段时间,然后将水从树脂中分离出来,还提供了从水中除去含氟化合物的方法。