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    • 32. 发明授权
    • Zeolite molecular sieve adsorbent for an aqueous system
    • 沸石分子筛吸附剂用于水系统
    • US4372876A
    • 1983-02-08
    • US353683
    • 1982-03-01
    • Santi KulprathipanjaRichard W. Neuzil
    • Santi KulprathipanjaRichard W. Neuzil
    • B01D15/08B01J20/18C13B20/12C13K13/00
    • C13B20/123B01D15/08B01J20/183C13K13/007
    • 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 undeirable 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。 结晶硅铝酸盐的硅成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,其基本上降低了不可取的溶解度。 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。
    • 33. 发明授权
    • Separation process using cellulose acetate butyrate bound zeolite
adsorbents
    • 分离方法采用醋酸丁酸纤维素结合沸石吸附剂
    • US4363672A
    • 1982-12-14
    • US252663
    • 1981-04-09
    • Santi Kulprathipanja
    • Santi Kulprathipanja
    • B01J20/18C13K13/00C13D3/14
    • B01J20/183C13K13/007
    • An 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 an adsorbent comprising a crystalline aluminosilicate, 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 incorporation of a binder material in the adsorbent comprising cellulose acetate butyrate which substantially reduces the undesirable dissolution. The adsorbent is manufactured by mixing together powder of the crystalline aluminosilicate, powders of the binder, and a liquid organic solvent, extruding the mixture into an extrudate and drying the extrudate.
    • 用于从包含不同组分的混合物的水溶液的进料混合物中分离组分的改进方法,例如糖的混合物。 在该过程中,混合物与包含结晶硅铝酸盐的吸附剂接触,该结晶硅铝酸盐选择性地从进料混合物中吸附组分。 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。 结晶硅铝酸盐的硅成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在包含乙酸丁酸纤维素的吸附剂中引入粘合剂材料,其基本上减少了不期望的溶解。 吸附剂通过将结晶硅铝酸盐的粉末,粘合剂的粉末和液体有机溶剂混合在一起来制造,将混合物挤出成挤出物并干燥挤出物。
    • 34. 发明授权
    • Adsorption separation method and apparatus thereof
    • 吸附分离方法及其装置
    • US4332623A
    • 1982-06-01
    • US90133
    • 1979-11-01
    • Masao AndoTetsuya HirotaKatashi Shioda
    • Masao AndoTetsuya HirotaKatashi Shioda
    • B01D15/08B01J39/26C13B35/06C13K13/00C13K1/00C13K3/00
    • C13B35/06B01D15/1871B01D15/362B01J39/26C13K13/007Y10S210/918
    • A method for separating a starting fluid containing at least one component which is easy to adsorb and at least one component which is hard to adsorb into the respective components by the use of an adsorption separator which comprises a packed bed where an adsorbent for such components is packed and a fluid passage connecting the front and rear ends of said packed bed so that the fluid is able to be circulated, the method comprising the first step of feeding the starting fluid to an intermediate portion of the packed bed while withdrawing from the separator a fluid rich with either of the components in an amount equal to the feed of the starting fluid from a position downstream of the feed port, the second step of stopping the feed of the fluid to and the withdrawal of the fluid from the separator and moving the fluid remaining in the separator toward the downward direction, and the third step of feeding a desorbent fluid to the separator and simultaneously withdrawing from the separator a fluid rich with either of the components in an amount equal to the feed of the desorbent fluid from a position downstream of the desorbent feed port, the respective withdrawals of fluid from the separator being conducted at least two different positions, the adsorption bands being left in part of the packed bed in the third step. Apparatus for carrying out the method is disclosed.
    • 一种分离含有至少一种容易吸附的成分的起始流体的方法和至少一种难以通过使用吸附分离器吸附到各成分中的成分的方法,所述吸附分离器包括填充床,其中这些成分的吸附剂为 包装和连接所述填充床的前端和后端的流体通道,使得流体能够循环,所述方法包括将起始流体供给到填充床的中间部分同时从分离器a中取出的第一步骤 流体富含任何一种组分,其量等于从进料口下游的位置进料的起始流体,第二步骤是使流体进料停止并从分离器中取出流体,并移动 分离器中朝向下方向残留的流体,以及将解吸流体供给到分离器并同时从分离器中排出的第三步骤 或者含有任何一种组分的流体,其量等于从解吸剂进料口下游的位置进料的解吸剂流体,来自分离器的流体的相应取出至少进入两个不同的位置,吸附带是 在第三步中留下了部分填充床。 公开了用于实施该方法的装置。
    • 35. 发明授权
    • Simulated countercurrent sorption process employing ion exchange resins
with periodic backflushing
    • 模拟逆流吸附法采用离子交换树脂定期反冲洗
    • US4319929A
    • 1982-03-16
    • US95767
    • 1979-11-19
    • R. Gene Fickel
    • R. Gene Fickel
    • B01D15/18B01J47/02C13K13/00C13D3/14
    • B01D15/1835B01J47/026C13K13/007B01D15/361
    • A process for separating a selected component from a fluid mixture of components by employment of an ion exchange resin. Fluid flow is maintained during a separation mode through a column containing the adsorbent in at least three separation zones, an adsorption zone in which the selected component is adsorbed by the adsorbent, a purification zone and a desorption zone from which the selected component is displaced by a desorbent material. The zones are periodically shifted through the column by advancing the input and output streams. The improvement comprises periodically backflushing the resin bed in a backflushing mode distinct from the separation mode by passing a feed material through the same line that will pass the feed material in the separation mode following backflushing and removing a backflushing output stream upstream, with respect to the direction of fluid flow in the separation mode, of the feed stream inlet. The backflushing serves to decrease the density of the resin bed thereby controlling the pressure drop developed through that bed when it is in service as part of a separation zone. The ion exchange resin particularly suitable for the invention is an alkali metal salt of a nuclearly sulfonated styrene-cation exchange resin containing a cross-linking agent. The process of the invention is particularly suitable for the separation of a saccharide from an aqueous solution of saccharides.
    • 一种通过使用离子交换树脂将选定组分与组分的流体混合物分离的方法。 在分离模式期间通过在至少三个分离区中含有吸附剂的塔,吸附区,吸附剂中所选择的组分被吸附的吸附区,净化区和解吸区保持流体流动,所选择的组分由其吸附,净化区和解吸区 解吸材料。 通过推进输入和输出流,区域周期性地移动通过列。 该改进包括通过使进料材料通过相同的管线来定期地以不同于分离模式的反吹模式反吹树脂床,该相同管线将在反冲洗之后以分离模式通过进料并且相对于 进料流入口在分离模式下的流体流动方向。 反吹用于降低树脂床的密度,从而控制当其作为分离区的一部分使用时通过该床形成的压降。 特别适用于本发明的离子交换树脂是含有交联剂的核磺化苯乙烯 - 阳离子交换树脂的碱金属盐。 本发明的方法特别适用于从糖水溶液中分离糖类。
    • 36. 发明授权
    • Simulated countercurrent sorption process employing ion exchange resins
with backflushing
    • 使用离子交换树脂进行反吹的模拟逆流吸附方法
    • US4293346A
    • 1981-10-06
    • US91303
    • 1979-11-05
    • Arthur M. LandisDonald B. BroughtonR. Gene Fickel
    • Arthur M. LandisDonald B. BroughtonR. Gene Fickel
    • B01D15/18B01D53/04B01J47/02C13B20/14C13K13/00C13D3/14
    • B01D53/08B01D15/1835B01D53/0423B01J47/026C13B20/148C13K13/007B01D2253/206
    • A process for separating a selected component from a fluid mixture of components by employment of an ion exchange resin. Fluid flow is maintained through a column containing the adsorbent in at least three separation zones, an adsorption zone in which the selected component is adsorbed by the adsorbent, a purification zone and a desorption zone from which the selected component is displaced by a desorbent material. There is also a backflushing zone, upstream of either the feed or desorbent stream inlets, in which the direction of fluid flow is opposite the direction of flow through the three separation zones. The zones are periodically shifted through the column by advancing the input and output streams. The backflushing serves to decrease the density of the resin bed thereby controlling the pressure drop developed through that bed when it is in service as part of a separation zone. The ion exchange resin particularly suitable for the invention is an alkali metal salt of a nuclearly sulfonated styrene-cation exchange resin containing a cross-linking agent. The process of the invention is particularly suitable for the separation of a saccharide from an aqueous solution of saccharides.
    • 一种通过使用离子交换树脂将选定组分与组分的流体混合物分离的方法。 通过在至少三个分离区域中含有吸附剂的柱保持流体流动,其中所选择的组分被吸附剂吸附的吸附区域,净化区域和解吸区域,所选择的组分由解吸剂材料从其中移位。 在进料或解吸剂流入口的上游还有一个反冲洗区,其中流体流动的方向与通过三个分离区的流动方向相反。 通过推进输入和输出流,区域周期性地移动通过列。 反吹用于降低树脂床的密度,从而控制当其作为分离区的一部分使用时通过该床形成的压降。 特别适用于本发明的离子交换树脂是含有交联剂的核磺化苯乙烯 - 阳离子交换树脂的碱金属盐。 本发明的方法特别适用于从糖水溶液中分离糖类。