Natural gas deacidizing and dehydration method
    1.
    发明授权
    Natural gas deacidizing and dehydration method 失效
    天然气脱酸脱水法

    公开(公告)号:US07175820B2

    公开(公告)日:2007-02-13

    申请号:US10729965

    申请日:2003-12-09

    IPC分类号: B01D53/14

    摘要: The natural gas is deacidized by contacting in zone 3 with a solvent containing amine in aqueous solution. The gas is then dehydrated by contacting in zone 4 with a solvent very rich in amine. After the contacting operations, the solvent containing H2S. and water is expanded in drum 9, then regenerated in column 11. Part of the regenerated solvent is sent to zone 3. Another part of the regenerated solvent is vacuum distilled in column 18 so as to produce an amine-rich solvent that is sent to zone 4.

    摘要翻译: 天然气通过在区域3中与含水溶液中的胺的溶剂接触来脱酸。 然后通过在区域4中与非常富含胺的溶剂接触来使气体脱水。 在接触操作之后,含有H 2 S的溶剂。 并将水在鼓9中膨胀,然后在第11列中再生。 部分再生溶剂被送到区域3。 另一部分再生溶剂在塔18中进行真空蒸馏,以产生送到区域4的富含胺的溶剂。

    Natural gas deacidizing method
    2.
    发明授权
    Natural gas deacidizing method 失效
    天然气脱酸法

    公开(公告)号:US07018450B2

    公开(公告)日:2006-03-28

    申请号:US10678126

    申请日:2003-10-06

    IPC分类号: B01D53/14

    摘要: The natural gas is successively contacted in column CA with a relatively methanol-rich solvent flowing in through line 4, then with a relatively poor solvent flowing in through line 9. The acid gas-containing solvent recovered through line 3 at the bottom of column CA is expanded through valves V1 and V2 to release acid gases through line 6. A fraction of the expanded solvent is distilled in column CR. The regenerated solvent obtained at the bottom of column CR is sent to the top of column CA through line 9. A second fraction of the expanded solvent is mixed with a solvent drawn off from column CR at an intermediate point between the bottom and the top of this column. This mixture of solvents is sent through line 4 into column CA.

    摘要翻译: 天然气在塔CA中依次与相对富含甲醇的溶剂在管线4中流动,然后相对较差的溶剂通过管线9流动。通过管线3在塔CA底部回收的含酸性气体的溶剂 通过阀V 1和V 2膨胀以通过管线6释放酸性气体。在CR塔中蒸馏出一部分膨胀的溶剂。 在塔CR底部获得的再生溶剂通过管线9送入塔CA的顶部。将第二部分的发泡溶剂与从塔CR排出的溶剂在塔底部和顶部之间的中间点混合 这一列。 这种溶剂混合物通过管线4送入CA。

    Method for processing a natural gas with extraction of the solvent contained in the acid gases
    4.
    发明授权
    Method for processing a natural gas with extraction of the solvent contained in the acid gases 失效
    通过萃取酸性气体中所含的溶剂来处理天然气的方法

    公开(公告)号:US07459011B2

    公开(公告)日:2008-12-02

    申请号:US11057011

    申请日:2005-02-14

    IPC分类号: B01D53/14

    CPC分类号: C10L3/10

    摘要: The natural gas arriving through pipe 1 is deacidified by being brought into contact with a solvent in zone C. The solvent charged with acid compounds is regenerated in zone R. The acid gases, released into pipe 5 upon regeneration, include a quantity of solvent. The method enables the solvent contained in the acid gases to be extracted. In zone ZA, the acid gases are brought into contact with a non-aqueous ionic liquid whose general formula is Q+ A−, where Q+ designates an ammonium, phosphonium, and/or sulfonium cation, and A− designates an anion able to form a liquid salt. The solvent is removed from the acid gases evacuated through pipe 6. The ionic liquid charged with solvent is regenerated by heating in an evaporator DE. The ionic liquid regenerated is recycled through pipes 8 and 9 to zone ZA. The solvent is evacuated through pipe 13.

    摘要翻译: 通过管道1到达的天然气通过与区域C中的溶剂接触而脱酸。在酸性化合物中加入的溶剂在区域R中再生。再生时释放到管道5中的酸性气体包括一定量的溶剂。 该方法能够提取酸性气体中所含的溶剂。 在区域ZA中,酸性气体与通式为Q + A-的非水性离子液体接触,其中Q +表示铵,鏻和/或锍阳离子,A-表示能形成 液体盐 从通过管道6排出的酸性气体中除去溶剂。加入溶剂的离子液体通过在蒸发器DE中加热而再生。 再生的离子液体通过管道8和9循环到区域ZA。 溶剂通过管13排出。

    Method of collecting mercaptans contained in a gaseous feed
    7.
    发明授权
    Method of collecting mercaptans contained in a gaseous feed 有权
    收集气态饲料中所含硫醇的方法

    公开(公告)号:US07192565B2

    公开(公告)日:2007-03-20

    申请号:US11194557

    申请日:2005-08-02

    IPC分类号: B01D53/48 C01B17/20

    CPC分类号: C10L3/10

    摘要: The gaseous feed flowing in through line 1 is contacted in contacting zone ZA with a liquid solvent flowing in through line 2. The solvent comprises between 0.001% and 100% by weight of a liquid olefin. Contacting in zone ZA is carried out in the presence of an acid catalyst. The purified gaseous feed is discharged from zone ZA through line 3. The sulfide-laden solvent is discharged through line 4, then regenerated in unit RE. The regenerated solvent is recycled through lines 7 and 2 to zone ZA.

    摘要翻译: 通过管线1流动的气态进料在接触区ZA中与通过管线2流动的液体溶剂接触。溶剂包含0.001至100重量%的液体烯烃。 ZA区在酸催化剂存在下进行接触。 纯化的气体进料通过管线3从区域ZA排出。含硫化物的溶剂通过管线4排出,然后在单元RE中再生。 再生的溶剂通过管线7和2再循环到区域ZA。

    Method for processing a natural gas with extraction of the solvent contained in the purified natural gas
    8.
    发明申请
    Method for processing a natural gas with extraction of the solvent contained in the purified natural gas 失效
    通过提取纯化天然气中所含的溶剂来处理天然气的方法

    公开(公告)号:US20050205468A1

    公开(公告)日:2005-09-22

    申请号:US11057026

    申请日:2005-02-14

    IPC分类号: B01D53/14 C10L3/10 C10G27/00

    摘要: The natural gas arriving through pipe 1 is deacidified by being brought into contact with a solvent in column C2. The solvent charged with acid compounds is regenerated in zone R. The purified gas evacuated by pipe 9 includes some of the solvent. The method enables the solvent contained in the purified gas to be extracted. In zone ZA, the purified gas is brought into contact with a non-aqueous ionic liquid whose general formula is Q+ A−, where Q+ designates an ammonium, phosphonium, and/or sulfonium cation, and A− designates an anion able to form a liquid salt. The solvent-impoverished purified gas is evacuated through pipe 17. The ionic liquid charged with solvent is regenerated by heating in an evaporator DE. The solvents separated from the ionic liquid in evaporator DE are recycled.

    摘要翻译: 通过管道1到达的天然气通过与C 2中的溶剂接触而脱酸。在R区中再生含有酸性化合物的溶剂。由管9抽出的净化气体包括一些溶剂。 该方法能够提纯纯化气体中所含的溶剂。 在区域ZA中,净化气体与通式为Q +的非水离子液体接触,其中Q + >表示铵,鏻和/或锍阳离子,A>表示能够形成液体盐的阴离子。 将溶剂贫化的净化气体通过管道17抽真空。通过在蒸发器DE中加热来再生装有溶剂的离子液体。 在蒸发器DE中与离子液体分离的溶剂被再循环。

    Process for recovering the methanol contained in a liquid hydrocarbon feed
    9.
    发明授权
    Process for recovering the methanol contained in a liquid hydrocarbon feed 失效
    用于回收液体烃进料中所含的甲醇的方法

    公开(公告)号:US06679975B2

    公开(公告)日:2004-01-20

    申请号:US10036416

    申请日:2002-01-07

    IPC分类号: B01D336

    摘要: The present invention aims to isolate the azeotropes formed in a distillation column (B1) by methanol, propane and butane. The azeotropes are then liquefied in heat exchanger (E2) and mixed in contactor (M1) with water in order to dissolve the methanol in water. The mixture is then fed into a decantation tank (D2) to separate the aqueous phase from the liquid hydrocarbon phase. Finally, an aqueous phase containing methanol is discharged and the methanol-depleted hydrocarbon phase is recycled to distillation column (B1) as reflux.

    摘要翻译: 本发明的目的是通过甲醇,丙烷和丁烷来分离在蒸馏塔(B1)中形成的共沸物。 然后将共沸物在热交换器(E2)中液化,并在接触器(M1)中与水混合,以便将甲醇溶解在水中。 然后将混合物进料到倾析罐(D2)中以将水相与液态烃相分离。 最后,排出含有甲醇的水相,将甲醇耗尽的烃相作为回流再循环至蒸馏塔(B1)。