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    • 2. 发明授权
    • Large capacity acid or base generator and method of use
    • 大容量酸或碱发生器及其使用方法
    • US08367423B2
    • 2013-02-05
    • US12706944
    • 2010-02-17
    • Yan LiuHamish SmallNebojsa Avdalovic
    • Yan LiuHamish SmallNebojsa Avdalovic
    • G01N30/28
    • G01N30/96C25B1/16C25B1/22G01N30/02G01N30/34G01N2030/965Y10T436/25B01D15/36B01D15/426
    • Method and apparatus for generating an acid or base, e.g. for chromatographic analysis of anions. For generating a base the method includes the steps of providing a cation source in a cation source reservoir, flowing an aqueous liquid stream through a base generation chamber separated from the cation source reservoir by a barrier (e.g. a charged membrane) substantially preventing liquid flow while providing a cation transport bridge, applying an electric potential between an anode cation source reservoir and a cathode in the base generation chamber to electrolytically generate hydroxide ions therein and to cause cations in the cation source reservoir to electromigrate and to be transported across the barrier toward the cathode to combine with the transported cations to form cation hydroxide, and removing the cation hydroxide in an aqueous liquid stream as an effluent from the first base generation chamber. Suitable cation sources include a salt solution, a cation hydroxide solution or cation exchange resin.
    • 用于产生酸或碱的方法和设备,例如, 用于阴离子的色谱分析。 为了产生碱,该方法包括以下步骤:在阳离子源储存器中提供阳离子源,使水性液体流通过基本上防止液体流动的屏障(例如带电膜)与阳离子源储存器分离的碱性产生室流动, 提供阳离子输送桥,在基底产生室中的阳极阳离子源储存器和阴极之间施加电位以在其中电解产生氢氧根离子,并使阳离子源储存器中的阳离子电迁移并穿过屏障向着 阴极与所运送的阳离子结合以形成阳离子氢氧化物,并且以水溶液流中的阳离子氢氧化物作为来自第一碱基产生室的流出物除去。 合适的阳离子源包括盐溶液,阳离子氢氧化物溶液或阳离子交换树脂。
    • 3. 发明授权
    • Large capacity acid or base generator apparatus
    • 大容量酸或碱发生器装置
    • US06682701B1
    • 2004-01-27
    • US09612074
    • 2000-07-07
    • Yan LiuHamish SmallNebojsa Avdalovic
    • Yan LiuHamish SmallNebojsa Avdalovic
    • G01N3002
    • G01N30/96C25B1/16C25B1/22G01N30/02G01N30/34G01N2030/965Y10T436/25B01D15/36B01D15/426
    • Method and apparatus for generating an acid or base, e.g. for chromatographic analysis of anions. For generating a base the method includes the steps of providing a cation source in a cation source reservoir, flowing an aqueous liquid stream through a base generation chamber separated from the cation source reservoir by a barrier (e.g. a charged membrane) substantially preventing liquid flow while providing a cation transport bridge, applying an electric potential between an anode cation source reservoir and a cathode in the base generation chamber to electrolytically generate hydroxide ions therein and to cause cations in the cation source reservoir to electromigrate and to be transported across the barrier toward the cathode to combine with the transported cations to form cation hydroxide, and removing the cation hydroxide in an aqueous liquid stream as an effluent from the first base generation chamber. Suitable cation sources include a salt solution, a cation hydroxide solution or cation exchange resin.
    • 用于产生酸或碱的方法和设备,例如, 用于阴离子的色谱分析。 为了产生碱,该方法包括以下步骤:在阳离子源储存器中提供阳离子源,使水性液体流通过基本上防止液体流动的屏障(例如带电膜)与阳离子源储存器分离的碱性产生室流动, 提供阳离子输送桥,在基底产生室中的阳极阳离子源储存器和阴极之间施加电位以在其中电解产生氢氧根离子,并使阳离子源储存器中的阳离子电迁移并穿过屏障向着 阴极与所运送的阳离子结合以形成阳离子氢氧化物,并且以水溶液流中的阳离子氢氧化物作为来自第一碱基产生室的流出物除去。 合适的阳离子源包括盐溶液,阳离子氢氧化物溶液或阳离子交换树脂。
    • 4. 发明授权
    • Continuous electrolytically regenerated packed bed suppressor for ion chromatography
    • 用于离子色谱的连续电解再生填充床抑制剂
    • US06495371B2
    • 2002-12-17
    • US09877667
    • 2001-06-08
    • Hamish SmallYan LiuJohn M. RivielloNebojsa AvdalovicKannan Srinivasan
    • Hamish SmallYan LiuJohn M. RivielloNebojsa AvdalovicKannan Srinivasan
    • G11N3002
    • G01N30/96G01N2030/965
    • For anion analysis, the method includes: (a) flowing an aqueous liquid sample stream containing anions to be detected and cation hydroxide through a separator bed, (b) flowing the aqueous effluent from the separator bed through a flow-through suppressor, (c) flowing the effluent liquid from the suppressor past a detector, (d) recycling said liquid effluent from the detector through a cathode chamber proximate to the suppressor bed and separated by a first barrier, and (e) applying an electrical potential between the cathode and the anode. Water is electrolyzed at the anode to cause cations on the cation exchange resin to electromigrate toward the barrier and to be transported across the barrier toward the cathode while water in the cathode chamber is electrolyzed to generate hydroxide ions which combine with the transported cations to form cation hydroxide in the cathode chamber.
    • 对于阴离子分析,该方法包括:(a)将含有待检测的阴离子和阳离子氢氧化物的水性液体样品流通过分离床,(b)使来自分离器床的水性流出物流过流过抑制剂,(c 将来自抑制器的流出液体流过检测器,(d)将来自检测器的所述液体流出物再循环通过靠近抑制床的阴极室并被第一屏障隔开,并且(e)在阴极和 阳极。 在阳极处电解水以使阳离子交换树脂上的阳离子电致化学势垒,并将阴极室内的水转移至阴极,同时电解阴极室内的水,以产生氢氧化物离子,与运送的阳离子结合形成阳离子 氢氧化物在阴极室中。
    • 6. 发明申请
    • Large capacity acid or base generator and method of use
    • 大容量酸或碱发生器及其使用方法
    • US20050258048A1
    • 2005-11-24
    • US11190741
    • 2005-07-26
    • Yan LiuHamish SmallNebojsa Avdalovic
    • Yan LiuHamish SmallNebojsa Avdalovic
    • G01N30/26B01D15/08B01J39/26B01J41/20C25B1/16C25B1/22G01N30/02G01N30/34G01N30/60G01N30/96C25B1/34
    • G01N30/96C25B1/16C25B1/22G01N30/02G01N30/34G01N2030/965Y10T436/25B01D15/36B01D15/426
    • Method and apparatus for generating an acid or base, e.g. for chromatographic analysis of anions. For generating a base the method includes the steps of providing a cation source in a cation source reservoir, flowing an aqueous liquid stream through a base generation chamber separated from the cation source reservoir by a barrier (e.g. a charged membrane) substantially preventing liquid flow while providing a cation transport bridge, applying an electric potential between an anode cation source reservoir and a cathode in the base generation chamber to electrolytically generate hydroxide ions therein and to cause cations in the cation source reservoir to electromigrate and to be transported across the barrier toward the cathode to combine with the transported cations to form cation hydroxide, and removing the cation hydroxide in an aqueous liquid stream as an effluent from the first base generation chamber. Suitable cation sources include a salt solution, a cation hydroxide solution or cation exchange resin.
    • 用于产生酸或碱的方法和设备,例如, 用于阴离子的色谱分析。 为了产生碱,该方法包括以下步骤:在阳离子源储存器中提供阳离子源,使水性液体流通过基本上防止液体流动的屏障(例如带电膜)与阳离子源储存器分离的碱性产生室流动, 提供阳离子输送桥,在基底产生室中的阳极阳离子源储存器和阴极之间施加电位以在其中电解产生氢氧根离子,并使阳离子源储存器中的阳离子电迁移并穿过屏障向着 阴极与所运送的阳离子结合以形成阳离子氢氧化物,并且以水溶液流中的阳离子氢氧化物作为来自第一碱基产生室的流出物除去。 合适的阳离子源包括盐溶液,阳离子氢氧化物溶液或阳离子交换树脂。
    • 7. 发明授权
    • Continuous electrolytically regenerated packed suppressor for ion chromatography
    • 用于离子色谱的连续电解再生填充抑制剂
    • US06610546B1
    • 2003-08-26
    • US09648377
    • 2000-08-25
    • Yan LiuKannan SrinivasanNebojsa AvdalovicHamish SmallJohn M. Riviello
    • Yan LiuKannan SrinivasanNebojsa AvdalovicHamish SmallJohn M. Riviello
    • G01N3002
    • G01N30/96G01N2030/965G01N30/6069
    • An electrolytic suppressor including (a) packing (a suppressor bed of ion exchange resin or a flow-through monolith), (b) an electrode chamber adjacent the suppressor, (c) a first electrode in the electrode chamber, (d) a barrier separating the packing from the first electrode chamber preventing significant liquid flow but permitting transport of ions only of the same charge as the packing, (e) a second electrode in electrical communication with the resin bed, and (f) a recycle conduit between the suppressor outlet port and said electrode chamber. Charged transverse partitions with openings may be included to create a serpentine liquid path. For anion analysis, the method of using the apparatus includes: (a) flowing an aqueous liquid sample stream containing anions to be detected and cation hydroxide through the separator bed, (b) flowing the aqueous effluent from the separator bed through the flow-through packing, (c) flowing the effluent liquid from the suppressor past a detector, (d) recycling said liquid effluent from the detector through a cathode chamber proximate to the packing and separated by the first barrier, and (e) applying an electrical potential between the cathode and the anode. Water is electrolyzed at the anode to cause cations on the cation exchange packing to electromigrate toward the barrier and to be transported across the barrier toward the cathode while water in the cathode chamber is electrolyzed to generate hydroxide ions which combine with the transported cations to form cation hydroxide in the cathode chamber.
    • 一种电解抑制器,其包括(a)填充(离子交换树脂或流通式整料的抑制床),(b)与抑制器相邻的电极室,(c)电极室中的第一电极,(d) 将填料从第一电极室分离以防止显着的液体流动,但允许仅与填料相同的电荷输送离子,(e)与树脂床电连通的第二电极,和(f)抑制器之间的再循环导管 出口和所述电极室。 可以包括具有开口的带电的横向隔板以产生蛇形液体路径。 对于阴离子分析,使用该装置的方法包括:(a)使含有待检测的阴离子和阳离子氢氧化物的含水液体样品流通过分离床,(b)使来自分离器床的水性流出物流过流过 包装,(c)使来自抑制器的流出液体流过检测器,(d)将来自检测器的所述液体流出物循环通过邻近填料的阴极室并由第一屏障分离,以及(e) 阴极和阳极。 在阳极处电解阳极以使阳离子交换填料上的阳离子电迁移到屏障上,并将阴极室内的水转移到阴极,同时电解阴极室中的水以产生氢氧化物离子,这些氢离子与运送的阳离子结合形成阳离子 氢氧化物在阴极室中。
    • 8. 发明申请
    • LARGE CAPACITY ACID OR BASE GENERATOR AND METHOD OF USE
    • 大容量酸或基因发生器及其使用方法
    • US20100144051A1
    • 2010-06-10
    • US12706944
    • 2010-02-17
    • Yan LiuHamish SmallNebojsa Avdalovic
    • Yan LiuHamish SmallNebojsa Avdalovic
    • G01N30/50C25B1/00
    • G01N30/96C25B1/16C25B1/22G01N30/02G01N30/34G01N2030/965Y10T436/25B01D15/36B01D15/426
    • Method and apparatus for generating an acid or base, e.g. for chromatographic analysis of anions. For generating a base the method includes the steps of providing a cation source in a cation source reservoir, flowing an aqueous liquid stream through a base generation chamber separated from the cation source reservoir by a barrier (e.g. a charged membrane) substantially preventing liquid flow while providing a cation transport bridge, applying an electric potential between an anode cation source reservoir and a cathode in the base generation chamber to electrolytically generate hydroxide ions therein and to cause cations in the cation source reservoir to electromigrate and to be transported across the barrier toward the cathode to combine with the transported cations to form cation hydroxide, and removing the cation hydroxide in an aqueous liquid stream as an effluent from the first base generation chamber. Suitable cation sources include a salt solution, a cation hydroxide solution or cation exchange resin.
    • 用于产生酸或碱的方法和设备,例如, 用于阴离子的色谱分析。 为了产生碱,该方法包括以下步骤:在阳离子源储存器中提供阳离子源,使水性液体流通过基本上防止液体流动的屏障(例如带电膜)与阳离子源储存器分离的碱性产生室流动, 提供阳离子输送桥,在基底产生室中的阳极阳离子源储存器和阴极之间施加电位以在其中电解产生氢氧根离子,并使阳离子源储存器中的阳离子电迁移并穿过屏障向着 阴极与所运送的阳离子结合以形成阳离子氢氧化物,并且以水溶液流中的阳离子氢氧化物作为来自第一碱基产生室的流出物除去。 合适的阳离子源包括盐溶液,阳离子氢氧化物溶液或阳离子交换树脂。