专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5632803A Enhanced helium recovery 失效
标题翻译：增强氦气回收
公开(公告)号：US5632803A
公开(公告)日：1997-05-27
申请号：US517469
申请日：1995-08-21
申请人： Glenn Stoner , Herbert E. Reingold, III , Joseph S. D'Amico , Kent S. Knaebel
发明人： Glenn Stoner , Herbert E. Reingold, III , Joseph S. D'Amico , Kent S. Knaebel
IPC分类号： B01D53/047 , B01D53/22 , C01B23/00 , B01D53/47
CPC分类号： B01D53/04 , B01D53/047 , B01D53/229 , C01B23/0052 , C01B23/0094 , B01D2253/102 , B01D2253/104 , B01D2253/106 , B01D2253/304 , B01D2256/18 , B01D2257/11 , B01D2259/404 , B01D2259/406 , B01D2259/41 , C01B2210/001 , C01B2210/0014 , C01B2210/0031 , C01B2210/0068 , C01B2210/007
摘要： The disclosed hybrid membrane and pressure swing adsorption process can recover helium from source streams of about 0.5 to 5 percent by volume helium and concentrate the helium to a concentration of greater than about 98 percent by volume. The process comprises a membrane separation followed by two stages of pressure swing adsorption which are used in series. The source gas will primarily contain hydrocarbons but will contain some nitrogen. The membrane unit will contain a semipermeable membrane which is permeably selective for helium and will to the extent feasible reject hydrocarbons. The permeate gas will be increased in helium content by 2 to 10 times. Part of the residue gas is used in the regeneration of the adsorbent beds in the first stage of pressure swing adsorption. Each stage of pressure swing adsorption will contain a plurality of adsorbent beds, and will be cycled through multiple phases. In the first stage the adsorbent beds will sequentially undergo the phases of adsorption, recycle, depressurization, evacuation, helium pressurization and recycle feed pressurization. The product gas from the first stage is flowed to the second stage and in the second stage sequentially will undergo the phases of adsorption, depressurization, evacuation, purge, and helium pressurization. The offgas from the evacuation and purge in the second stage is flowed to input to the first stage. The process efficiently produces a product stream with a helium content of more than 98 percent by volume.
摘要翻译：所公开的混合膜和变压吸附方法可以从约0.5至5体积％氦的源流中回收氦，并将氦浓缩至大于约98体积％的浓度。该方法包括一个膜分离，然后是串联使用两个阶段的变压吸附。源气体将主要含有烃，但将含有一些氮。膜单元将包含半透膜，其对于氦具有可渗透的选择性，并且在可行的程度上将排除碳氢化合物。渗透气体的氦气含量将增加2〜10倍。在变压吸附的第一阶段，残余气体的一部分用于吸附剂床的再生。变压吸附的每个阶段将包含多个吸附剂床，并且将循环通过多个阶段。在第一阶段，吸附剂床将依次经历吸附，循环，减压，排空，氦加压和再循环进料加压的阶段。来自第一阶段的产物气体流到第二阶段，并且在第二阶段中将顺序地经历吸附，减压，抽空，吹扫和氦气加压的阶段。在第二阶段中排气和吹扫的废气流入第一阶段的输入。该方法有效地产生氦含量大于98体积％的产物流。

2. 发明授权

US5919285A Process and system for separation and recovery of perfluorocompound gases 失效
公开(公告)号：US5919285A
公开(公告)日：1999-07-06
申请号：US054549
申请日：1998-04-03
申请人： Yao-En Li , Joseph E. Paganessi , David Vassallo , Gregory K. Fleming
发明人： Yao-En Li , Joseph E. Paganessi , David Vassallo , Gregory K. Fleming
IPC分类号： B01D53/22 , C07C17/38 , B01D53/47
CPC分类号： C07C17/38 , B01D53/22 , B01D53/225 , B01D53/226 , B01D53/228 , B01D53/229 , B01D2257/204 , B01D2257/2066 , Y02C20/30 , Y02P20/154 , Y02P20/155
摘要： Processes and systems to recover at least one perfluorocompound gas from a gas mixture are provided. In one embodiment the inventive process comprises the steps of a) providing a gas mixture comprising at least one perfluorocompound gas and at least one carrier gas, the gas mixture being at a predetermined pressure; b) providing at least one glassy polymer membrane having a feed side and a permeate side; c) contacting the feed side of the at least one membrane with the gas mixture; d) withdrawing from the feed side of the membrane as a non-permeate stream at a pressure which is substantially equal to the predetermined pressure a concentrated gas mixture comprising essentially the at least one perfluorocompound gas; and e) withdrawing from the permeate side of the membrane as a permeate stream a depleted gas mixture comprising essentially the at least one carrier gas.

3. 发明授权

US07125439B2 Air environment control system and technique 失效
标题翻译：空气环境控制系统和技术
公开(公告)号：US07125439B2
公开(公告)日：2006-10-24
申请号：US10866098
申请日：2004-06-14
申请人： Edward John Bennett
发明人： Edward John Bennett
IPC分类号： B01D53/47
CPC分类号： B01D53/047 , B01D53/0438 , B01D2257/91 , B01D2257/93 , B01D2259/40056 , B01D2259/40081 , B01D2259/402 , B01D2259/4566 , B01D2259/4583
摘要： Method and apparatus for providing clean air to an environment. Incoming air, which may be contaminated with chemical, nuclear or biological contamination is initially cooled and water is removed from the cooled air by a first cooler, a first water separator, a second cooler and a second water separator. The cooled air is passed through a regenerative pressure swing absorption system which removes the contaminants. The resulting, cleaned, air is expanded by an expander. The expanded, cleaned air is provided to the environment, after being used in the second cooler to clean the incoming air.
摘要翻译：用于向环境提供清洁空气的方法和装置。可能被化学，核或生物污染污染的进入的空气首先被冷却，并且通过第一冷却器，第一水分离器，第二冷却器和第二水分离器从冷却的空气中除去水。冷却的空气通过再生的压力摆动吸收系统，其移除污染物。所产生的清洁的空气由膨胀机膨胀。在将第二冷却器用于清洁进入的空气之后，将膨胀的清洁空气提供给环境。

4. 发明授权

US07077891B2 Adsorbent sheet material for parallel passage contactors 有权
标题翻译：用于平行通道接触器的吸附片材料
公开(公告)号：US07077891B2
公开(公告)日：2006-07-18
申请号：US10639157
申请日：2003-08-11
申请人： Stephen Mosheim Jaffe , Cristian Ion Contescu
发明人： Stephen Mosheim Jaffe , Cristian Ion Contescu
IPC分类号： B01D53/47
CPC分类号： B01J20/28045 , B01D53/0423 , B01D2253/108 , B01D2253/25 , B01D2253/304 , B01D2253/34 , B01J20/12 , B01J20/20 , B01J20/205 , B01J20/28004 , B01J20/28007 , B01J20/28023 , B01J20/28026 , B01J20/28028 , B01J20/2803 , B01J20/28033 , B01J20/28057 , B01J20/28069 , B01J20/2808 , B01J20/3042 , B01J20/3242 , B01J2220/42 , B01J2220/44 , B82Y30/00
摘要： An adsorbent material fabricated into a reinforcement-free, self-supported coherent thin sheet and configured for use as a parallel passage contactor element in adsorption/separation applications with gases and liquids is disclosed. The adsorbent sheet material is obtained by enmeshing fine adsorbent particulates in a polymer binder. Particulates include but are not limited to carbon particles, inorganic oxides particles, or ceramic particles, or synthetic polymer resin particles. The adsorbent sheet advantageously contains a large volume percentage of active adsorbent particles. The parallel passage contactor device fabricated from the adsorbent sheet material is characterized by minimal mass transfer resistance and better separation efficiency expressed as height equivalent to a theoretical plate, while it maintains most of the adsorptive properties of the starting particulates, and can be used in gas separation applications with short adsorption cycles, such as rapid pressure swing adsorption, rotary concentrators, rapid electric swing adsorption.
摘要翻译：公开了一种吸附材料，其制造成无增强的自支撑相干薄片，并且被配置为用作气体和液体的吸附/分离应用中的平行通道接触器元件。吸附性片材是通过将精细吸附剂微粒嵌入聚合物粘合剂而获得的。颗粒包括但不限于碳颗粒，无机氧化物颗粒或陶瓷颗粒，或合成聚合物树脂颗粒。吸附片有利地含有大体积百分比的活性吸附剂颗粒。由吸附性片材制造的平行通道接触器装置的特征在于最小的传质阻力和较高的分离效率，表示为与理论塔板相当的高度，同时保持起始颗粒的大部分吸附性能，并可用于气体分离应用具有短吸附循环，如快速变压吸附，旋转浓缩器，快速电动摆动吸附。

5. 发明授权

US6120581A Sulfur production process 失效
标题翻译：硫磺生产工艺
公开(公告)号：US6120581A
公开(公告)日：2000-09-19
申请号：US231359
申请日：1999-01-13
申请人： John Markovs , Gordon Thomas Cartwright , Carmen M. Yon , Henry Rastelli
发明人： John Markovs , Gordon Thomas Cartwright , Carmen M. Yon , Henry Rastelli
IPC分类号： B01D53/047 , B01D53/47
CPC分类号： B01D53/0462 , B01D53/047 , B01D2253/1085 , B01D2253/308 , B01D2257/7027 , B01D2257/80 , B01D2259/40052 , B01D2259/40054 , B01D2259/4006 , B01D2259/4009 , B01D2259/402 , B01D53/261
摘要： A process is provided for the removal of trace amount of aromatic hydrocarbons from a waste feed gas stream comprising sulfur compounds and the aromatic hydrocarbons. An adsorption process employing an adsorbent such as a high silica zeolite adsorbent having a framework silica to alumina ratio greater than about 15 and having a pore size greater than about 6.2 Angstroms is used to remove from the feed gas mixture aromatic hydrocarbon contaminants and permit the recovery of a high purity sulfur product from the treated effluent stream. The adsorption zone comprises at least 2 adsorption beds wherein one of the first adsorption beds is operating in an adsorption mode and the other is being regenerated at a desorption pressure higher than the adsorption pressure. The regeneration is performed in a closed system or partially closed system, and prior to returning a regenerated adsorption zone to adsorption conditions the waste feed gas stream is used to cool and purge the regenerated zone. Purge effluent from the regeneration zone is passed to a bed undergoing adsorption in a lead/trim configuration to prevent a slug of aromatic hydrocarbons from entering the adsorption effluent. The use of the present invention removes aromatic hydrocarbon contaminants which are responsible for the degeneration of the performance of the downstream sulfur recovery zone.
摘要翻译：提供了一种从包含硫化合物和芳族烃的废料进料气流中除去微量芳族烃的方法。使用吸附剂的吸附剂，例如高二氧化硅沸石吸附剂，其骨架二氧化硅与氧化铝的比例大于约15，孔径大于约6.2埃，用于从进料气体混合物中除去芳族烃污染物并允许回收的来自经处理的流出物流的高纯度硫产物。吸附区包括至少2个吸附床，其中第一吸附床中的一个以吸附模式运行，另一个在高于吸附压力的解吸压力下再生。再生在封闭的系统或部分封闭的系统中进行，并且在将再生的吸附区返回到吸附条件之前，使用废物进料气流来冷却和净化再生区。来自再生区的净化流出物被传递到经历吸收的铅/修整构型的床中，以防止芳族烃块进入吸附流出物。本发明的用途除去了负责下游硫回收区的性能退化的芳烃污染物。

6. 发明授权

US5762686A Process for determining amount of argon contamination in oxygen and related apparatus therefor 失效
标题翻译：确定氧气中氩气污染量的方法及其相关设备
公开(公告)号：US5762686A
公开(公告)日：1998-06-09
申请号：US708407
申请日：1996-09-04
申请人： Raymond A. Borzio
发明人： Raymond A. Borzio
IPC分类号： B01D53/04 , B01D53/047 , B01D15/08 , B01D53/47
CPC分类号： B01D53/047 , B01D2256/18 , B01D2257/104 , B01D2259/40001 , B01D2259/40007 , B01D2259/402 , B01D53/0423
摘要： A process for determining the amount of argon contamination present in high purity oxygen employing a combination apparatus including a gas chromatography apparatus, a pressure swing adsorption apparatus, and a conduit connecting the two apparatus to each other. The gas chromatography apparatus can be run with its column at about 70.degree. F. (21.1.degree. C.) or higher. A sample of the high purity oxygen is fed to the pressure swing adsorption apparatus, where a portion of the oxygen is removed, and then the thus modified sample is fed through the conduit to the gas chromatography apparatus. Since some of the oxygen has been removed with the pressure swing adsorption apparatus, the graph generated by the gas chromatography apparatus shows 2 resolved peaks, namely a small argon peak preceding a large oxygen peak, even though the column of the gas chromatography apparatus is not being cooled to cryogenic temperatures with a cryogen. Also, instead of first subjecting the high purity oxygen to the pressure swing apparatus, a sample is fed directly to the gas chromatography apparatus, which produces a graph that has only 1 large peak due to the oxygen which masks the small argon peak. By comparing the 2 graphs, an accurate determination can be made of the amount of argon contamination in the high purity oxygen.
摘要翻译：使用包括气相色谱仪，变压吸附装置和连接两台装置的导管的组合装置来确定存在于高纯度氧中的氩污染量的方法。气相色谱仪可以在其柱上运行约70°F（21.1℃）或更高。将高纯度氧的样品送入变压吸附装置，其中一部分氧被除去，然后将这样改性的样品通过导管进料到气相色谱装置。由于利用变压吸附装置除去了一些氧气，所以气相色谱仪产生的曲线图显示出2个分辨的峰，即大氧峰前的小氩峰，尽管气相色谱仪的色谱柱不是用冷冻剂冷却至低温。此外，代替首先将高纯度氧气经受压力摆动装置，将样品直接供给到气相色谱装置，其产生由于掩蔽小氩峰的氧而仅具有1个大的峰。通过比较2张图，可以准确测定高纯度氧气中的氩气污染物的量。

7. 发明授权

US5912422A Method for purifying hydrogen based gas mixture using a lithium- exchanged X zeolite 失效
标题翻译：使用锂交换的X沸石净化氢基气体混合物的方法
公开(公告)号：US5912422A
公开(公告)日：1999-06-15
申请号：US983073
申请日：1998-01-21
申请人： Olivier Bomard , Jerome Jutard , Serge Moreau , Xavier Vigor
发明人： Olivier Bomard , Jerome Jutard , Serge Moreau , Xavier Vigor
IPC分类号： B01D53/047 , C01B3/56 , B01D53/47
CPC分类号： C01B3/56 , B01D53/02 , B01D53/04 , B01D53/047 , B01D2253/102 , B01D2253/106 , B01D2253/108 , B01D2253/1085 , B01D2257/102 , B01D2257/504 , B01D2257/7022 , B01D2259/4067 , B01D2259/4146 , C01B2203/043 , C01B2203/047 , C01B2203/0475 , C01B2203/048 , Y02C10/08 , Y02P20/152
摘要： Process for the separation of the hydrogen contained in a gas mixture contaminated by carbon monoxide and containing at least one other impurity chosen from the group consisting of carbon dioxide and saturated or unsaturated, linear, branched or cyclic C.sub.1 -C.sub.8 hydrocarbons, comprising bringing the gas mixture to be purified into contact, in an adsorption region, with at least:one first adsorbent selective at least for carbon dioxide and for C.sub.1 -C. hydrocarbons andone second adsorbent which is a zeolite of faujasite type exchanged to at least 80% with lithium, the Si/Al ratio of which is less than 1.5, in order to remove at least carbon monoxide (CO).
摘要翻译： PCT No.PCT / FR97 / 00878 Sec。 371日期1998年1月21日 102（e）1998年1月21日PCT PCT 1997年5月16日PCT公布。 WO97 / 45363 PCT出版物日期1997年12月4日用于分离由一氧化碳污染并含有至少一种选自二氧化碳和饱和或不饱和的直链，支链或环状C 1 -C 8烃的至少一种其它杂质的气体混合物中所含的氢气的方法包括使待纯化的气体混合物在吸附区域与至少一种至少对二氧化碳和C1-C有选择性的至少一种第一吸附剂接触。碳氢化合物和一个第二吸附剂，其是与Si交换至少80％的八面沸石沸石，Si / Al比小于1.5，以除去至少一氧化碳（CO）。

8. 发明授权

US5683492A Process for the recovery of carbon monoxide from a purge gas containing at least carbon monoxide, nitrogen and hydrogen 失效
标题翻译：从至少含有一氧化碳，氮气和氢气的净化气体回收一氧化碳的方法
公开(公告)号：US5683492A
公开(公告)日：1997-11-04
申请号：US653296
申请日：1996-05-24
申请人： Peter Hesse , Siegfried Michel , Horst Weiss
发明人： Peter Hesse , Siegfried Michel , Horst Weiss
IPC分类号： B01D53/62 , B01D53/04 , C01B32/40 , C07C51/12 , C07C51/14 , C07C51/42 , C07C53/08 , B01D53/47 , B01D53/14
CPC分类号： C07C51/14 , C07C51/12 , C07C51/42
摘要： A process for the recovery of carbon monoxide from a purge gas from acetic acid synthetic containing at least carbon monoxide, nitrogen and hydrogen, wherein the purge gas (6) containing at least carbon monoxide, nitrogen and hydrogen is separated into a gas fraction (11) rich in carbon monoxide and a residual gas fraction (12, 13) rich in nitrogen and hydrogen by an adsorption process (G), preferably by a pressure change absorption process, and the gas fraction (11) rich in carbon monoxide is returned upstream of the acetic acid.
摘要翻译：一种从含有至少一氧化碳，氮气和氢气的合成乙酸合成气的净化气体回收一氧化碳的方法，其中至少含有一氧化碳，氮气和氢气的吹扫气体（6）被分离成气体馏分（11 ）和通过吸附方法（G）富含一氧化碳和富含氮和氢的残留气体馏分（12,13），优选通过压力变化吸收过程，并且富含一氧化碳的气体馏分（11）在上游的乙酸。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式