SYSTEM AND PROCESS FOR THE REMOVAL OF FLUOROCHEMICALS FROM WATER
    91.
    发明申请
    SYSTEM AND PROCESS FOR THE REMOVAL OF FLUOROCHEMICALS FROM WATER 审中-公开
    从水中去除氟化物的系统和方法

    公开(公告)号:US20100084343A1

    公开(公告)日:2010-04-08

    申请号:US12520697

    申请日:2008-02-15

    CPC classification number: C02F1/42 B01J41/04 B01J41/05 B01J41/12 C02F2101/14

    Abstract: 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.

    Abstract translation: 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)并且具有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。

    Fluorine removal by ion exchange
    92.
    发明授权
    Fluorine removal by ion exchange 失效
    通过离子交换除氟

    公开(公告)号:US07625540B2

    公开(公告)日:2009-12-01

    申请号:US10148756

    申请日:2000-12-01

    Abstract: A method for removing fluorine gas from a selected environment comprises contacting the fluorine gas with water to generate a solution of hydrofluoric acid and contacting the solution of hydrofluoric acid with an ion exchange resin having an active state operative to exchange selected ions therein for fluoride ions in the solution. The apparatus (200) may include a dual resin setup (222, 223) such that one of the ion-exchange resin can be in the service cycle while the other of the ion-exchange resins undergoes the regeneration and rinse/refill cycles.

    Abstract translation: 从所选择的环境中除去氟气的方法包括使氟气与水接触以产生氢氟酸溶液,并使氢氟酸溶液与具有活性状态的离子交换树脂接触,以在其中交换选定的离子用于氟离子 解决方案。 装置(200)可以包括双重树脂装置(222,223),使得一个离子交换树脂可以处于使用循环中,而另一个离子交换树脂经历再生和冲洗/再填充循环。

    Combination method for the demineralization of water
    96.
    发明申请
    Combination method for the demineralization of water 有权
    水的去矿化的组合方法

    公开(公告)号:US20070215550A1

    公开(公告)日:2007-09-20

    申请号:US11709484

    申请日:2007-02-22

    Abstract: The present invention relates to a method for the demineralization of water using a combination of a monodisperse cation filter operated as a lift bed and a monodisperse anion filter operated in the cocurrent flow procedure, and also devices which comprise such a lift bed in combination with at least one cocurrent flow filter and if appropriate a trickling degasser and/or a mixed-bed filter.

    Abstract translation: 本发明涉及一种使用作为提升床操作的单分散阳离子过滤器和在并流流程中操作的单分散阴离子过滤器的组合的水的软化水的方法,以及包括这种升降床与在 至少一个并流流过滤器,如果合适的话,可以使用滴流除气器和/或混床过滤器。

    METHOD OF MAKING A FLUOROPOLYMER
    98.
    发明申请
    METHOD OF MAKING A FLUOROPOLYMER 审中-公开
    制备荧光体的方法

    公开(公告)号:US20070072985A1

    公开(公告)日:2007-03-29

    申请号:US11535249

    申请日:2006-09-26

    CPC classification number: C08F214/18 B01J41/05 C08F6/16

    Abstract: The present invention provides a method of making a fluoropolymer comprising: (i) providing an aqueous dispersion of fluoropolymer particles by polymerizing one or more fluorinated olefins and optionally one or more fluorinated or non-fluorinated comonomers in an aqueous emulsion polymerization whereby the polymerization is initiated in the absence of a fluorinated surfactant and whereby no fluorinated surfactant is added during polymerization; (ii) recovering the fluoropolymer from the aqueous dispersion thereby obtaining said fluoropolymer and waste water; and (iii) contacting said waste water with an anion exchange resin; or alternatively to steps (ii) and (iii), contacting said aqueous dispersion with an anion exchange resin and subsequently separating said anion exchange resin from said aqueous dispersion.

    Abstract translation: 本发明提供一种制备含氟聚合物的方法,其包括:(i)通过在水乳液聚合中聚合一种或多种氟化烯烃和任选的一种或多种氟化或非氟化共聚单体来提供含氟聚合物颗粒的水性分散体,由此引发聚合 在不存在氟化表面活性剂的情况下,在聚合过程中不加入氟化表面活性剂; (ii)从水分散体中回收含氟聚合物,从而得到所述含氟聚合物和废水; 和(iii)使所述废水与阴离子交换树脂接触; 或者选择步骤(ii)和(iii),使所述水性分散体与阴离子交换树脂接触,随后将所述阴离子交换树脂与所述水性分散体分离。

    Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment
    100.
    发明申请
    Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment 有权
    用于与饲料水处理中的TRSS树脂组合的硫酸盐选择性阴离子交换树脂

    公开(公告)号:US20060054561A1

    公开(公告)日:2006-03-16

    申请号:US11225942

    申请日:2005-09-13

    Abstract: An improved system of resins comprising a combination of a sulfate-specific strongly basic anion exchange resin and a heterogenous hybrid thermally regenerable salt sorbent (TRSS) resin is provided. The anion exchange resin contains triethylamine and/or tributylamine groups. The TRSS resin comprises a macroporous host copolymer and a crosslinked guest copolymer having, respectively, weak acid groups and weak base groups. The system is used to treat feed water containing dissolved ions, including sulfate ions, and is efficiently regenerated.

    Abstract translation: 提供了一种包含硫酸盐特异性强碱性阴离子交换树脂和异种混合可再热盐吸收剂(TRSS)树脂的组合的改进的树脂体系。 阴离子交换树脂含有三乙胺和/或三丁胺基团。 TRSS树脂包括分别具有弱酸基和弱碱基的大孔宿主共聚物和交联客体共聚物。 该系统用于处理含有溶解离子(包括硫酸根离子)的进料水,并有效地再生。

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