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    • 42. 发明授权
    • Sour water treating process utilizing liquid membranes having a
sulfonated polymer exterior oil phase
    • 酸水处理工艺利用具有磺化聚合物外部油相的液膜
    • US4064040A
    • 1977-12-20
    • US682271
    • 1976-05-03
    • Gopal H. SinghalMartin L. GorbatyRichard M. MindayNorman N. Li
    • Gopal H. SinghalMartin L. GorbatyRichard M. MindayNorman N. Li
    • B01D61/40C08J3/09B01D31/00B01D13/00
    • C08J3/09B01D61/40
    • This invention relates to novel liquid membrane formulations which are water-in-oil emulsions wherein the oil phase comprises a sulfonated polymer having a backbone which is substantially nonaromatic, for example, less than 10 mole % aromatic, and uses thereof in high temperature liquid membrane processes. The emulsions are useful in liquid membrane water treating processes, especially in water treating processes which are desirably run at high temperatures. In the most preferred embodiment, these compositions are used in a liquid membrane sour water treating process wherein a waste water stream containing ammonium sulfide is contacted with a liquid membrane emulsion, i.e. the emulsions of the instant invention, at conditions whereby ammonia permeates through the external phase of the emulsion into an acidic internal phase wherein it is converted to a nonpermeable form, e.g. ammonium ion, while H.sub.2 S is continuously stripped out of the waste water solution by means of an inert gas, e.g. steam. Processes of this sort are most effectivey carried out at temperatures greater than 80.degree. C. wherein the emulsions of the instant invention have excellent stability.
    • 本发明涉及新的液膜制剂,其是油包水乳液,其中油相包含具有基本上非芳香的主链的磺化聚合物,例如小于10摩尔%的芳香族,以及其在高温液体膜中的用途 过程。 乳液可用于液膜水处理方法,特别是在期望在高温下运行的水处理过程中。 在最优选的实施方案中,这些组合物用于液膜酸性水处理方法中,其中含有硫化铵的废水流与液体膜乳液接触,即本发明的乳液,其中氨渗透到外部 将乳液相转变成酸性内相,其中将其转化为不透气的形式,例如, 铵离子,而H2S通过惰性气体例如废水溶液连续地从废水溶液中排出。 蒸汽。 这种方法在大于80℃的温度下最有效地进行,其中本发明的乳液具有优异的稳定性。
    • 49. 发明授权
    • Novel liquid membrane formulations and use thereof
    • 新型液膜制剂及其用途
    • US3969265A
    • 1976-07-13
    • US482592
    • 1976-06-24
    • Gopal H. SinghalMartin L. GorbatyRichard M. MindayNorman N. Li
    • Gopal H. SinghalMartin L. GorbatyRichard M. MindayNorman N. Li
    • B01D61/40C08D7/00C08D7/10
    • B01D61/40
    • This invention relates to novel liquid membrane formulations which are water-in-oil emulsions wherein the oil phase comprises a sulfonated polymer having a backbone which is substantially nonaromatic, for example, less than 10 mole % aromatic, and uses thereof in high temperature liquid membrane processes. The emulsions are useful in liquid membrane water treating processes, especially in water treating processes which are desirably run at high temperatures. In the most preferred embodiment, these compositions are used in a liquid membrane sour water treating process wherein a waste water stream containing ammonium sulfide is contacted with a liquid membrane emulsion, i.e., the emulsions of the instant invention, at conditions whereby ammonia permeates through the external phase of the emulsion into an acidic internal phase wherein it is converted to a nonpermeable form, e.g., ammonium ion, while H.sub.2 S is continuously stripped out of the waste water solution by means of an inert gas, e.g., steam. Processes of this sort are most effectively carried out at temperatures greater than 80.degree.C. wherein the emulsions of the instant invention have excellent stability.
    • 本发明涉及新的液膜制剂,其是油包水乳液,其中油相包含具有基本上非芳香的主链的磺化聚合物,例如小于10摩尔%的芳香族,以及其在高温液体膜中的用途 过程。 乳液可用于液膜水处理方法,特别是在期望在高温下运行的水处理过程中。 在最优选的实施方案中,这些组合物用于液体膜酸性水处理方法中,其中含有硫化铵的废水流与本发明的液体膜乳液(即本发明的乳液)接触,其中氨渗透通过 乳状液的外相进入酸性内部相,其中将其转化为不渗透的形式,例如铵离子,同时通过惰性气体例如蒸汽将H 2 S连续地从废水溶液中排出。 这种方法在大于80℃的温度下最有效地进行,其中本发明的乳液具有优异的稳定性。