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    Perfluorocompound separation and purification method and system
    31.
    发明授权
    Perfluorocompound separation and purification method and system 失效
    全氟化合物的分离纯化方法及系统

    公开(公告)号：US5779863A

    公开(公告)日：1998-07-14

    申请号：US783446

    申请日：1997-01-16

    申请人： Bao Ha ,  Timothy Arcuri

    发明人： Bao Ha ,  Timothy Arcuri

    IPC分类号： C07C17/38 ,  C07C17/383 ,  C07C19/08 ,  F25J3/02 ,  B01D3/00

    CPC分类号： C07C17/38 ,  C07C17/383

    摘要： Provided is a novel method and system for separating and purifying perfluorocompounds (PFCs). The method comprises the steps of: (a) introducing a perfluorocompound-containing gas stream into a first distillation column; (b) removing a light product from the first column, and removing a heavy product from the first column; (c) introducing the first column light product into a second distillation column; (d) removing a light product from the second column, and removing a heavy product from the second column; (e) introducing the second column light product into a third distillation column; and (f) removing a light product from the third column, and removing a heavy product from the third column. The method and system can be advantageously used in the treatment of exhaust gases from semiconductor processing tools, and results in highly purified PFCs which can be recycled, thereby avoiding the release of PFCs into the atmosphere.

    摘要翻译： 提供了一种分离和纯化全氟化合物（PFCs）的新方法和系统。 该方法包括以下步骤：（a）将含全氟化合物的气流引入第一蒸馏塔; （b）从第一塔中除去轻质产物，并从第一塔除去重的产物; （c）将第一柱光产物引入第二蒸馏塔; （d）从第二塔中除去轻质产物，从第二塔除去重质产物; （e）将第二柱光产物引入第三蒸馏塔; 和（f）从第三塔中除去轻质产物，并从第三塔中除去重质产物。 该方法和系统可以有利地用于处理来自半导体加工工具的废气，并且产生可以再循环的高度纯化的PFC，从而避免PFC释放到大气中。

    High efficiency nitrogen generator
    32.
    发明授权
    High efficiency nitrogen generator 失效
    高效氮气发生器

    公开(公告)号：US5711167A

    公开(公告)日：1998-01-27

    申请号：US583792

    申请日：1996-01-29

    申请人： Bao Ha ,  Michael A. Turney

    发明人： Bao Ha ,  Michael A. Turney

    IPC分类号： F25J3/04 ,  F25J3/00

    CPC分类号： F25J3/04284 ,  F25J3/04048 ,  F25J3/04333 ,  F25J3/04393 ,  F25J3/044 ,  F25J2240/04 ,  F25J2250/10 ,  F25J2250/20

    摘要： A process and apparatus is disclosed for highly efficient generation of nitrogen product in a single column arrangement. Oxygen-enriched liquid from a distillation column is partially vaporized to form a liquid and a vapor phase. The liquid is vaporized in a second reboiler/condenser and thereafter the vapor expanded to provide process refrigeration. The vapor portion having higher nitrogen content is compressed and returned to the distillation column for higher overall nitrogen recovery.

    摘要翻译： 公开了一种用于以单列布置高效生成氮产物的方法和装置。 来自蒸馏塔的富氧液体被部分蒸发以形成液体和气相。 液体在第二再沸器/冷凝器中蒸发，之后蒸气膨胀以提供过程制冷。 将具有较高氮含量的蒸汽部分压缩并返回到蒸馏塔以获得较高的总氮回收率。

    Method and apparatus for the separation of C.sub.4 hydrocarbons from gaseous mixtures containing the same
    33.
    发明授权
    Method and apparatus for the separation of C.sub.4 hydrocarbons from gaseous mixtures containing the same 失效
    用于从含有该烃的气态混合物中分离C4烃的方法和装置

    公开(公告)号：US5505048A

    公开(公告)日：1996-04-09

    申请号：US360111

    申请日：1994-12-20

    申请人： Bao Ha ,  Gerard Dupuis ,  Paul Kong

    发明人： Bao Ha ,  Gerard Dupuis ,  Paul Kong

    IPC分类号： C07C7/09 ,  F25J3/06 ,  F25J3/02

    CPC分类号： C07C7/09 ,  F25J3/062 ,  F25J3/0635 ,  F25J3/065 ,  F25J3/0655 ,  F25J2210/04 ,  F25J2210/12 ,  F25J2230/30 ,  F25J2240/02 ,  F25J2270/90 ,  F25J2270/904 ,  Y10S62/932

    摘要： C.sub.4 hydrocarbons are separated from a gaseous mixture containing the same and lower hydrocarbons and hydrogen, by cooling such a gaseous mixture (45) to a temperature between -60.degree. F. and +32.degree. F. until a portion of the C.sub.4 hydrocarbons is condensed. The mixture of gas and liquid C.sub.4 hydrocarbons thus produced is phase separated in a first phase separation (53), and the liquid from this first phase separation is withdrawn as C.sub.4 hydrocarbons product (69). Gas from the first phase separation (53) is further cooled (47) until substantially all of the remaining C.sub.4 hydrocarbons are condensed but not the hydrogen. The latter material is subjected to a second phase separation (75), and liquid from the second phase separation (77) is withdrawn as liquid C.sub.4 hydrocarbons product (69). Vapor from the second phase separation (75) is withdrawn and expanded isentropically in a first expansion engine (81) to produce a mixture of liquid and vapor, which is subjected to a third phase separation (85 ), and liquid from the third phase separation (85) is withdrawn as liquid C.sub.4 hydrocarbons product (69). A portion of vapor separated in the third phase separation (85) is expanded isentropically in a second expansion engine (137), and refrigeration from vapor from the second expansion engine (137) is recovered by indirect heat exchange (47) with the first-mentioned mixture (45). Gas separated in the third separation (85) is cooled to produce a mixture of gas and liquid, which is phase separated (103 or 123). Gas from the latter phase separation is expanded isentropically in the second expansion engine (137), and refrigeration from material from second expansion engine (137) is also recovered by indirect heat exchange (99) with gas separated in the third phase separation (85).

    摘要翻译： 通过将这种气态混合物（45）冷却至-60°F至+ 32°F的温度，将C4烃与含有相同和较低级烃和氢气的气体混合物分离，直至部分C4烃缩合 。 由此产生的气体和液体C4烃的混合物在第一相分离（53）中相分离，并且来自该第一相分离的液体作为C4烃产物（69）取出。 来自第一相分离（53）的气体进一步冷却（47），直到基本上所有剩余的C4烃都被冷凝而不是氢气。 后一种材料经受第二相分离（75），来自第二相分离（77）的液体作为液体C4烃产物（69）排出。 来自第二相分离（75）的蒸气在第一膨胀发动机（81）中等离子体抽出并膨胀以产生经过第三相分离（85）的液体和蒸汽的混合物，并且来自第三相分离 （85）作为液体C4烃产物（69）取出。 在第三相分离（85）中分离的一部分蒸气在第二膨胀发动机（137）中等离子体膨胀，并且通过间接热交换（47）与来自第二膨胀发动机（137）的蒸汽来回收来自第二膨胀发动机（137） （45）。 在第三分离（85）中分离的气体被冷却以产生相分离的气体和液体的混合物（103或123）。 来自后期相分离的气体在第二膨胀发动机（137）中等离子体膨胀，并且来自第二膨胀发动机（137）的材料的制冷也通过在第三相分离（85）中分离的气体进行间接热交换（99）来回收， 。

    Cryogenic distillation process for the production of oxygen and nitrogen
    35.
    发明授权
    Cryogenic distillation process for the production of oxygen and nitrogen 失效
    用于生产氧和氮的低温蒸馏工艺

    公开(公告)号：US5231837A

    公开(公告)日：1993-08-03

    申请号：US775581

    申请日：1991-10-15

    申请人： Bao Ha

    发明人： Bao Ha

    IPC分类号： F02C20060101 ,  F02C6/10 ,  F02C6/18 ,  F22B20060101 ,  F22B1/18 ,  F25J20060101 ,  F25J3/02 ,  F25J3/04

    CPC分类号： F25J3/046 ,  F02C6/10 ,  F25J3/04303 ,  F25J3/04448 ,  F25J3/04575 ,  F25J3/04606 ,  F25J3/04872 ,  F25J2200/20 ,  F25J2200/50 ,  F25J2200/54 ,  F25J2215/50 ,  Y10S62/915 ,  Y10S62/939

    摘要： A cryogenic distillation process for the production of oxygen and nitrogen is provided, which entails:a) providing a feed stream of clean, dry and compressed air,b) cooling at least a fraction of the compressed air and introducing the same into a high pressure column, and separating the same into nitrogen-rich stream at the top of the column and an oxygen-rich stream at the bottom of the column, wherein the overhead of the high pressure column exchanges heat with both the bottom of the low pressure column and the bottom of an intermediate column,c) introducing at least a fraction of the oxygen-rich stream into the intermediate column to afford a top liquid fraction A and a bottom liquid fraction B, the overhead of the intermediate column exchanging heat with the low pressure column at a location above the bottom reboiler of the low pressure column, wherein the pressure of the intermediate column is lower than the high pressure column but higher than the low pressure column,d) introducing at least a fraction of the liquid fractions A and B into the low pressure column as feed,e) feeding at least a fraction of the nitrogen-rich stream of step b) to the low pressure column as reflux, andf) recovering an oxygen-rich stream product at the bottom of the low pressure column and a low pressure nitrogen- rich stream at the top of the low pressure which further comprises recovering a medium pressure nitrogen stream column.

    Liquid air as energy storage
    36.
    发明授权
    Liquid air as energy storage 有权

    公开(公告)号：US10100979B2

    公开(公告)日：2018-10-16

    申请号：US12971234

    申请日：2010-12-17

    申请人： Bao Ha ,  Jean-Renaud Brugerolle

    发明人： Bao Ha ,  Jean-Renaud Brugerolle

    IPC分类号： F25J1/02 ,  F17C9/04 ,  F17C5/06 ,  F02C6/14

    摘要： A method of liquid air energy storage is provided. This method includes liquefying and storing air to form a stored liquid air during a first period of time; during a second period of time, introducing a compressed air stream into a cryogenic system, wherein the cryogenic system comprises at least one cold compressor, and at least one heat exchanger. The method includes producing a first exhaust stream and a second exhaust stream. The method also includes vaporizing at least part of the stored liquid air stream in the heat exchanger, thereby producing a first high pressure compressed air stream, then combining the first high pressure compressed air stream, the first exhaust stream and the second exhaust stream to form a combined exhaust stream, heating the combined exhaust stream, then expanding the heated combined exhaust stream in an expansion turbine to produce power.

    Process and apparatus for the separation of a gaseous mixture
    37.
    发明授权
    Process and apparatus for the separation of a gaseous mixture 有权
    用于分离气体混合物的方法和设备

    公开(公告)号：US09109831B2

    公开(公告)日：2015-08-18

    申请号：US11776475

    申请日：2007-07-11

    申请人： Arthur Darde ,  Bao Ha ,  Jean-Pierre Tranier

    发明人： Arthur Darde ,  Bao Ha ,  Jean-Pierre Tranier

    IPC分类号： F25J3/00 ,  F25J3/02 ,  F25J3/04

    CPC分类号： F25J3/0266 ,  F25J3/04533 ,  F25J2200/02 ,  F25J2200/04 ,  F25J2200/70 ,  F25J2200/76 ,  F25J2205/04 ,  F25J2210/04 ,  F25J2210/70 ,  F25J2215/04 ,  F25J2220/82 ,  F25J2220/84 ,  F25J2230/08 ,  F25J2230/20 ,  F25J2230/30 ,  F25J2230/42 ,  F25J2240/12 ,  F25J2240/90 ,  F25J2245/02 ,  F25J2260/80 ,  F25J2270/02 ,  Y02C10/12

    摘要： A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed and dried fluid, cooling at least part of the compressed and dried fluid to form a compressed, dried and cooled fluid, separating the compressed, dried and cooled fluid at a temperature lower than 0° C. into a carbon dioxide rich stream, a carbon dioxide lean stream and at least one intermediate purity liquid stream having a carbon dioxide purity lower than that of the carbon dioxide rich stream and higher than that of the carbon dioxide lean stream, expanding at least one intermediate purity liquid stream to produce at least one expanded stream using at least one expanded stream to cool the compressed and dried fluid and recycling at least part of the expanded stream.

    摘要翻译： 用于从含二氧化碳的流体中分离二氧化碳的方法包括以下步骤：压缩压缩机中的流体以形成压缩流体，干燥至少部分压缩流体以形成压缩和干燥的流体，冷却至少部分 压缩和干燥的流体以形成压缩，干燥和冷却的流体，将压缩的，干燥和冷却的流体在低于0℃的温度下分离成富二氧化碳流，贫二氧化碳流和至少一种中间纯度 液态物流的二氧化碳纯度低于富二氧化碳流的二氧化碳纯度，高于贫二氧化碳流的二氧化碳浓度，使至少一种中间纯度液体物流膨胀至少一个膨胀流，使用至少一个膨胀流冷却 压缩和干燥的流体并再循环至少部分膨胀的流。

    Rare gases recovery process for triple column oxygen plant
    38.
    发明授权
    Rare gases recovery process for triple column oxygen plant 有权
    三柱氧气厂的稀有气体回收过程

    公开(公告)号：US08978413B2

    公开(公告)日：2015-03-17

    申请号：US12796816

    申请日：2010-06-09

    申请人： Bao Ha

    发明人： Bao Ha

    IPC分类号： F25J3/02 ,  F25J3/04

    CPC分类号： F25J3/04448 ,  F25J3/0429 ,  F25J3/04745 ,  F25J2200/08 ,  F25J2200/32 ,  F25J2215/52

    摘要： The present invention is a process for recovering rare gases from a multiple column oxygen plant, wherein the multiple column oxygen plant comprises a higher pressure column, a lower pressure column, a middle pressure intermediate column, and a low pressure intermediate column, said middle pressure intermediate column comprising a first bottom reboiler and said low pressure intermediate column comprising a second bottom reboiler. The process includes providing a first oxygen rich liquid stream containing rare gases from the higher pressure column, wherein said first oxygen rich liquid stream is introduced to the first bottom reboiler. The process also includes removing a second oxygen rich liquid stream rich in rare gases from the bottom of the middle pressure intermediate column, wherein said second oxygen rich liquid stream is introduced to the low pressure intermediate column. The process also includes removing a first liquid purge stream concentrated in rare gases is removed from the low pressure intermediate column, wherein said first liquid purge stream is further concentrated downstream. And the process includes removing a third oxygen rich liquid stream lean in rare gases at a location that is at least one tray above the first bottom reboiler, wherein said third oxygen rich liquid stream is introduced to the lower pressure column.

    摘要翻译： 本发明是一种从多塔氧气装置回收稀有气体的方法，其中多塔氧气装置包括高压塔，低压塔，中压中间塔和低压中间塔，所述中压 中间塔包括第一底部再沸器和所述低压中间塔，其包括第二底部再沸器。 该方法包括从高压塔提供含有稀有气体的第一富氧液体流，其中所述第一富氧液流引入第一底部再沸器。 该方法还包括从中压中间塔的底部除去富含稀有气体的第二富氧液体流，其中所述第二富氧液流引入低压中间塔。 该方法还包括去除从低压中间塔中除去浓缩在稀有气体中的第一液体吹扫流，其中所述第一液体吹扫流进一步在下游浓缩。 并且该方法包括在位于第一底部再沸器上方的至少一个塔板的位置处去除稀有气体中的贫的第三富氧液流，其中所述第三富氧液体流被引入低压塔。