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    • 3. 发明授权
    • Natural gas deacidizing method
    • 天然气脱酸法
    • US07018450B2
    • 2006-03-28
    • US10678126
    • 2003-10-06
    • Alexandre RojeyFabrice LecomteEric Lemaire
    • Alexandre RojeyFabrice LecomteEric Lemaire
    • B01D53/14
    • C10L3/102B01D53/1406B01D53/1456C10L3/10
    • 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.
    • 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。
    • 4. 发明授权
    • Sour natural gas treating method
    • 酸天然气处理方法
    • US07121115B2
    • 2006-10-17
    • US10726506
    • 2003-12-04
    • Eric LemaireFabrice Lecomte
    • Eric LemaireFabrice Lecomte
    • F25J3/00B01D47/00B01D53/14
    • C10L3/102C10L3/10
    • The invention relates to a method for treating a natural gas, saturated or not with water, containing essentially hydrocarbons, a substantial amount of hydrogen sulfide and possibly carbon dioxide. The method of the invention comprises a condensation stage intended to condense a major part of the water, a distillation stage wherein a gaseous effluent depleted in hydrogen sulfide and substantially free of water is recovered, and a contacting stage wherein the gaseous effluent from the previous stage is contacted with a solvent so as to obtain a treated gas substantially free of hydrogen sulfide and possibly of carbon dioxide.
    • 本发明涉及一种用水处理天然气的方法,该天然气主要含有烃,大量的硫化氢和可能的二氧化碳。 本发明的方法包括用于冷凝大部分水的冷凝阶段,其中回收耗尽硫化氢并基本上不含水的气态流出物的蒸馏阶段,以及接触阶段,其中来自前一阶段的气态流出物 与溶剂接触,以获得基本上不含硫化氢和可能的二氧化碳的处理气体。
    • 5. 发明授权
    • Process for pretreating a natural gas containing acid gases
    • 用于预处理含有酸性气体的天然气的方法
    • US06735979B2
    • 2004-05-18
    • US09960292
    • 2001-09-24
    • Fabrice LecomteEric LemaireJean-Charles Viltard
    • Fabrice LecomteEric LemaireJean-Charles Viltard
    • F25J300
    • B01D53/1462Y10S203/08
    • A process for pretreating a very acid natural gas containing a substantial amount of hydrogen sulfide (H2S), possibly combined with carbon dioxide (CO2), includes at least a stage wherein the initial natural gas is contacted in a distillation column with a liquid condensate itself resulting from cooling of the gaseous fraction obtained during the contacting stage. This solution allows to eventually recover at a lower cost a gas enriched in methane, depleted in hydrogen sulfide and freed from substantially all of the water it contains, and a liquid phase containing most of the hydrogen sulfide, substantially all of the water and depleted in hydrocarbon. Control of the thermodynamic conditions during the stages that characterize the process, according to the water content of the gas during treatment, allows progressive exhaustion of the water contained in the gas while preventing hydrates formation.
    • 用于预处理含有大量硫化氢(H 2 S),可能与二氧化碳(CO 2)组合的非常酸性天然气的方法至少包括一个阶段,其中初始天然气在蒸馏塔中与液体冷凝物本身接触 由于在接触阶段期间获得的气态馏分的冷却而产生。 该溶液允许最终以更低的成本回收富含甲烷的气体,贫化硫化氢并从其所含的基本上所有的水中除去,以及含有大部分硫化氢的液相,基本上所有的水都被耗尽 烃。 根据处理过程中气体的含水量,在表征过程的阶段期间的热力学条件的控制允许逐渐耗尽包含在气体中的水,同时防止水合物形成。
    • 9. 发明授权
    • Installation and method for mixing and distributing a liquid phase and a gaseous phase
    • 用于混合和分配液相和气相的安装和方法
    • US07727311B2
    • 2010-06-01
    • US11223142
    • 2005-09-12
    • Ludovic RaynalEric LemaireJean-Louis Ambrosino
    • Ludovic RaynalEric LemaireJean-Louis Ambrosino
    • B01D47/14B01D53/14
    • B01D53/18
    • Installation for gas treatment by a liquid phase comprising a) a column (C) that comprises means (1) for introducing gas at one end of said column, means (9) for drawing off gas from the other end of column (C) and, from upstream to downstream in the direction of circulation of the liquid phase: a first internal (2) that comprises means for distribution of a liquid phase, a first bed (6) that comprises a packing or catalytic particles, a second internal (3) that comprises means for separating liquid/gas mixture (19, 20) that is obtained from first bed (6), first means (32, 4) for collecting and evacuating the separated liquid phase, means (100) for passing through internal (3) of the treated gas, and distribution means (31, 101) of a liquid phase with said gas, a second bed (8), second means (10) for collecting and evacuating the liquid phase at the lower outlet of column (C), b) Means for recycling the collected liquid phase.
    • 用于通过液相进行气体处理的装置包括a)柱(C),其包括用于在所述塔的一端引入气体的装置(1),用于从塔(C)的另一端排出气体的装置(9)和 ,从液相循环方向的上游到下游:包括用于分配液相的装置的第一内部(2),包括填料或催化颗粒的第一床(6),第二内部(3) )包括用于分离从第一床(6)获得的液体/气体混合物(19,20)的装置,用于收集和抽空分离的液相的第一装置(32,4),用于通过内部( 3)和与所述气体的液相的分配装置(31,101),第二床(8),第二装置(10),用于在塔的下部出口处收集和排出液相(C ),b)回收液相的方法。