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    • 8. 发明授权
    • Separation of fluids by means of mixed matrix membranes
    • 通过混合基质膜分离流体
    • US4740219A
    • 1988-04-26
    • US858321
    • 1986-05-01
    • Santi KulprathipanjaRichard W. NeuzilNorman N. Li
    • Santi KulprathipanjaRichard W. NeuzilNorman N. Li
    • B01D53/22B01D69/14
    • B01D69/141B01D53/228
    • A fluid feed mixture, either liquid or gaseous in nature, may be subjected to a gas enrichment separation process. The process is effected by contacting the mixture with the upstream face of a mixed matrix membrane which comprises an organic polymer having a solid particulate adsorbent incorporated therein, the permeability coefficient of the organic polymer being compatible with the permeability coefficient of the adsorbent. The permeate which emanates from the downstream face of the membrane comprises a fluid product mixture in which the proportion of the first fluid component of the feed mixture, which possesses a greater steady state permeability in relation to the second fluid component, is greater than the proportion present in the original fluid feed mixture.
    • 本质上液体或气体的流体进料混合物可以进行气体富集分离过程。 该方法通过使混合物与混合基质膜的上游面接触来实现,该混合基质膜包含其中结合有固体颗粒吸附剂的有机聚合物,有机聚合物的渗透系数与吸附剂的渗透系数相适应。 从膜的下游面发出的渗透物包括流体产物混合物,其中相对于第二流体组分具有更大的稳态渗透性的进料混合物的第一流体组分的比例大于比例 存在于原始流体进料混合物中。
    • 10. 发明授权
    • Technique to reduce the zeolite molecular sieve solubility in an aqueous
system
    • 降低沸石分子筛在水性体系中的溶解度的技术
    • US4333769A
    • 1982-06-08
    • US217946
    • 1980-12-18
    • Santi KulprathipanjaRichard W. Neuzil
    • Santi KulprathipanjaRichard W. Neuzil
    • B01D15/08B01J20/18C13B20/12C13K13/00C13D3/14
    • C13B20/123B01D15/08B01D15/20B01D15/34B01J20/183C13K13/007B01D15/361
    • An improved adsorbent comprising a crystalline aluminosilicate, method of manufacture of the adsorbent and improved process for separating a component from a feed mixture comprising an aqueous solution of a mixture of different components, such as a mixture of saccharides. In the process the mixture is contacted with the adsorbent, which selectively adsorbs a component from the feed mixture. The adsorbed component is then recovered by contacting the adsorbent with a desorbent material such as water to effect the desorption of the adsorbed component from the adsorbent. There is an undesirable tendency for the silicon constituent of the crystalline aluminosilicate to dissolve in the aqueous system. The improvement to the adsorbent and process comprises the coating of the adsorbent with ethylcellulose which substantially reduces the undesirable dissolution. The adsorbent is manufactured by mixing together the uncoated precursor of the adsorbent with the organic polymer dissolved in a liquid organic solvent, and removing the solvent.
    • 一种改进的吸附剂,包括结晶硅铝酸盐,制造吸附剂的方法和用于从包含不同组分的混合物的水溶液如糖的混合物的进料混合物中分离组分的改进方法。 在该过程中,混合物与吸附剂接触,吸附剂从进料混合物中选择性吸附组分。 然后通过使吸附剂与解吸材料如水接触来回收吸附的组分,以实现吸附组分从吸附剂的解吸附。 结晶硅铝酸盐的硅组分溶解在水性体系中是不希望的。 对吸附剂和方法的改进包括用乙基纤维素涂覆吸附剂,其基本上减少了不期望的溶解。 吸附剂通过将未涂覆的吸附剂前体与溶解在液体有机溶剂中的有机聚合物混合在一起并除去溶剂来制造。