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    • 3. 发明授权
    • Method and device for processing a gas containing hydrogen sulfide and sulfur dioxide comprising a stage of removal of by-products
    • 用于处理含有硫化氢和二氧化硫的气体的方法和装置,包括除去副产物的阶段
    • US06872368B2
    • 2005-03-29
    • US09902104
    • 2001-07-11
    • Fabrice LecomteChristian StreicherCécile Barrere-Tricca
    • Fabrice LecomteChristian StreicherCécile Barrere-Tricca
    • C01B17/04B01D53/86C01B17/05B01J8/00
    • B01D53/8615C01B17/05
    • A method for processing a gas containing at least hydrogen sulfide (H2S) and at least sulfur dioxide (SO2), includes the steps of contacting the gas with a liquid solvent containing at least one catalyst in a contacting stage, recovering gaseous effluent substantially containing no hydrogen sulfide and no sulfur dioxide from the contacting stage, and separating liquid sulfur from liquid solvent in a decantation zone downstream of the contacting stage. In order to remove by-products resulting from degradation of the catalyst, a liquid fraction F containing at least solvent, catalyst, sulfur and the solid by-products resulting from degradation of the catalyst is extracted from after the contacting stage. The liquid fraction F is sent to a processing stage distinct from the contacting stage where the liquid fraction F is heated to a temperature at least partially crystallizing the by-products, and the at least partially crystallized by-products separated from the rest of the liquid fraction F containing at least solvent. At least a stream F1 comprising solvent, catalyst and sulfur and substantially free of the by-products and a stream F2 mostly comprising the by-products are recovered.
    • 一种用于处理至少包含硫化氢(H 2 S)和至少二氧化硫(SO 2)的气体的方法,包括以下步骤:在接触阶段使气体与含有至少一种催化剂的液体溶剂接触,回收基本上不含 硫化氢和来自接触阶段的二氧化硫,并且在接触阶段下游的倾析区中将液体硫与液体溶剂分离。 为了除去由催化剂的降解引起的副产物,从接触阶段后提取至少含有溶剂,催化剂,硫和由催化剂降解引起的固体副产物的液体馏分F. 液体馏分F被送至不同于液体馏分F被加热至至少部分使副产物结晶的温度的接触阶段的处理阶段,并且至少部分结晶的副产物与其余液体分离 含有至少溶剂的馏分F. 回收至少包含溶剂,催化剂和硫并基本上不含副产物的流F1和主要包含副产物的料流F2。
    • 4. 发明授权
    • Process and device for treating a gas containing hydrogen sulfide, with recycling of the reduced catalytic solution
    • 通过再循环还原的催化溶液处理含硫化氢的气体的方法和装置
    • US06589498B1
    • 2003-07-08
    • US09589744
    • 2000-06-09
    • Cécile Barrere-TriccaThierry HuardChristian Streicher
    • Cécile Barrere-TriccaThierry HuardChristian Streicher
    • C01B1704
    • B01D53/1468
    • A process intended for desulfurization of a gaseous feed containing hydrogen sulfide, includes at least the following stages: a) contacting the gaseous feed with a catalytic solution containing at least one polyvalent metal chelated by at least one chelating agent, under suitable conditions for oxidation of the hydrogen sulfide to elemental sulfur and concomitant reduction of the polyvalent metal from a higher oxidation level to a lower oxidation level, b) recovering on the one hand a gaseous effluent substantially freed from hydrogen sulfide and, on the other hand, the catalytic solution at least reduced and containing elemental sulfur, and c) recycling at least a fraction F1 of the catalytic solution at least reduced and containing solid elemental sulfur to absorption stage a) so as to reduce the number of sulfur grains of very small size.
    • 用于含硫化氢气态进料脱硫的方法至少包括以下阶段:a)使气态进料与含有至少一种螯合剂螯合的至少一种多价金属的催化溶液在适合的条件下, 硫化氢至元素硫,并将多价金属从较高的氧化水平降低至较低的氧化水平,b)一方面回收基本上不含硫化氢的气态流出物,另一方面,回收催化剂溶液在 最少还原并含有元素硫,以及c)将至少一种至少还原并含有固体元素硫的催化剂溶液的馏分F1循环至吸收级a),以减少非常小尺寸的硫颗粒的数量。
    • 5. 发明授权
    • Removal of by-products in method for processing a gas containing hydrogen sulfide and sulfur dioxide
    • 在含有硫化氢和二氧化硫的气体的处理方法中除去副产物
    • US06280698B1
    • 2001-08-28
    • US09444847
    • 1999-11-22
    • Fabrice LecomteChristian StreicherCécile Barrere-Tricca
    • Fabrice LecomteChristian StreicherCécile Barrere-Tricca
    • C01B1704
    • B01D53/8615C01B17/05
    • A method for processing a gas, such as a Claus tail gas, containing at least hydrogen sulfide (H2S) and at least sulfur dioxide (SO2), includes the steps of contacting the gas with a liquid solvent, such as polyethylene glycol, containing at least one catalyst, such as sodium salicylate, in a contacting stage, recovering gaseous effluent substantially containing no hydrogen sulfide and no sulfur dioxide from the contacting stage, and separating liquid sulfur from liquid solvent in a decantation zone beneath the contacting stage. In order to remove by-products, such as sulfate and thiosulfate salts, resulting from degradation of the catalyst, a liquid fraction F containing at least solvent, catalyst, sulfur and the solid by-products resulting from degradation of the catalyst is extracted from the contacting stage and sent to a processing stage distinct from the contacting stage where the liquid fraction F is heated to a temperature sufficient to at least partially crystallize the by-products, and the crystallized by-products are separated from the rest of the liquid fraction F containing at least solvent. At least a stream F1 comprising solvent, catalyst and sulfur and substantially free of the by-products and a stream F2 mostly comprising the by-products are recovered.
    • 至少含有硫化氢(H2S)和至少二氧化硫(SO2)的克劳斯尾气处理气体的方法包括以下步骤:使气体与液体溶剂如聚乙二醇接触, 至少一种催化剂,如水杨酸钠,在接触阶段,从接触阶段回收基本上不含硫化氢并且不含二氧化硫的气态流出物,以及在接触阶段下方的倾析区域中将液体硫与液体溶剂分离。 为了除去由催化剂降解而产生的副产物如硫酸盐和硫代硫酸盐,至少含有溶剂,催化剂,硫和由催化剂降解引起的固体副产物的液体馏分F从 接触阶段并送到与将液体馏分F加热至足以至少部分地使副产物结晶的温度的接触阶段不同的处理阶段,并且将结晶的副产物与液体馏分F的其余部分分离 至少含有溶剂。 回收至少包含溶剂,催化剂和硫并基本上不含副产物的流F1和主要包含副产物的料流F2。
    • 7. 发明授权
    • Combined distillation and permeation process for the separation of
oxygenated compounds from hydrocarbons and use thereof in etherification
    • 用于将含氧化合物与烃分离的联合蒸馏和渗透方法以及其在醚化中的用途
    • US5609734A
    • 1997-03-11
    • US336222
    • 1994-11-07
    • Christian StreicherLionel Asselineau
    • Christian StreicherLionel Asselineau
    • B01D53/22B01D3/14C07C7/00C07C41/06C07C41/42C07C43/04B01D3/36
    • C07C7/005C07C41/42
    • A process for the separation of oxygenated compounds, containing mainly methanol and possibly a minor amount of water and/or dimethyl ether, from a mixture of hydrocarbons containing 3 to 8 carbon atoms containing said oxygenated compounds. The mixture is distilled in a distillation zone (D). A gaseous distillate (line 2) is taken overhead which contains methanol, possibly water, possibly dimethyl ether, and hydrocarbons. The gaseous distillate is separated in a separator (B) and at least one organic liquid phase is recovered (line 6) and sent as a reflux to the head of distillation zone D. An aqueous liquid phase (line 5) may possibly be recovered, also a gaseous phase (line 4). A phase (line 8) is extracted as a side stream from the distillation zone and sent to a permeation zone (PV) comprising at least one membrane which is selectively permeable to methanol; a permeation step is carried out on said phase. At least one methanol-enriched permeate (line 14) is recovered downstream of the permeation zone, preferably as a vapor, and at least one residue (line 11) is recovered upstream which is optionally recycled to the distillation zone. The purified hydrocarbon mixture is extracted (line 16) from the bottom of the distillation column.
    • 从含有含氧化合物的含有3至8个碳原子的烃的混合物中分离含氧化合物的方法,该化合物主要含有甲醇和可能少量的水和/或二甲醚。 将混合物在蒸馏区(D)中蒸馏。 塔顶馏出气态馏分(管线2),其中含有甲醇,可能是水,可能是二甲醚和烃。 将气态馏出物在分离器(B)中分离并回收至少一个有机液相(管线6)并作为回流送至蒸馏区D的头部。可能回收含水液相(管线5) 也是气相(管线4)。 A相(管线8)作为来自蒸馏区的侧流提取并送至包含至少一个选择性可渗透甲醇的膜的渗透区(PV); 对所述相进行渗透步骤。 至少一个甲醇富集的渗透物(管线14)在渗透区的下游,优选蒸气回收,并且至少一个残余物(管线11)被回收到上游,任选地再循环到蒸馏区。 从蒸馏塔的底部萃取纯化的烃混合物(管线16)。
    • 8. 发明授权
    • Process for the production of a gas that contains hydrogen from hydrogen sulfide
    • 用于从硫化氢生产含氢气的方法
    • US06780396B2
    • 2004-08-24
    • US10134646
    • 2002-04-30
    • Christian Streicher
    • Christian Streicher
    • C01B304
    • C01B3/04C01B17/0495Y02E60/364
    • A process for the production of hydrogen from a hydrogen sulfide feedstock, comprising a stage for heating feedstock (1) in a heating zone (2, 5) to a suitable temperature so as to produce a hot gas (6) that contains hydrogen and elementary sulfur, whereby this heating is carried out at least in part by an external heat source and a stage for rapid cooling of the hot gas thus obtained, by mixing with a fluid (8) by means of at least one mixer (7), preferably an ejector, so as to obtain a gaseous effluent (9). The mixing time is less than 20 milliseconds. Elementary sulfur (11) is separated from this effluent and the hydrogen is recovered. Application for the elimination of hydrogen sulfide and the production of hydrogen.
    • 一种用于从硫化氢原料生产氢气的方法,包括用于将加热区(2,5)中的原料(1)加热至合适温度的阶段,以产生含有氢气和基体的热气体(6) 硫,由此这种加热至少部分地通过外部热源和用于通过至少一个混合器(7)与流体(8)混合而快速冷却所获得的热气体的阶段,优选地 喷射器,以获得气态流出物(9)。 混合时间小于20毫秒。 将基本硫(11)与该流出物分离,并回收氢。应用于消除硫化氢和产生氢气。
    • 9. 发明授权
    • Method and device for processing a gas containing hydrogen sulfide and sulfur dioxide, comprising a stage of removal of solid by-products
    • 用于处理含有硫化氢和二氧化硫的气体的方法和装置,包括除去固体副产物的阶段
    • US06277352B1
    • 2001-08-21
    • US09413889
    • 1999-10-07
    • Fabrice LecomteChristian StreicherDaniel BenayounCecile Barrere-Tricca
    • Fabrice LecomteChristian StreicherDaniel BenayounCecile Barrere-Tricca
    • B01D5350
    • B01D53/523B01D53/8615C01B17/0205C01B17/033C01B17/05
    • A method for processing a gas containing at least hydrogen sulfide (H2S) and at least sulfur dioxide (SO2), includes the following stages: contacting the gas with a liquid solvent, such as polyethylene glycol, containing at least one catalyst, such as sodium salicylate, in a contacting stage, recovering a gaseous effluent substantially containing no hydrogen sulfide and no sulfur dioxide, and a mixture containing liquid sulfur, liquid solvent and solid by-products such as alkali metal or alkaline earth metal sulfates or thiosulfates, resulting from the degradation of the catalyst, separating the liquid sulfur from the liquid solvent in a decantation zone, extracting a liquid fraction F containing at least the solid by-products from a layer between the liquid solvent and the liquid sulfur in the decantation zone, sending the liquid fraction F to a processing stage distinct from the contacting stage, and recovering at least a stream F, comprising most of the solid by-products and a stream F2 mostly comprising solvent nearly free of the solid by-products from the processing stage.
    • 至少包含硫化氢(H 2 S)和至少二氧化硫(SO 2)的气体的处理方法包括以下阶段:将气体与液体溶剂如聚乙二醇接触,所述液体溶剂含有至少一种催化剂,例如钠 水杨酸盐在接触阶段回收基本上不含硫化氢和二氧化硫的气态流出物,以及含有液体硫,液体溶剂和固体副产物如碱金属或碱土金属硫酸盐或硫代硫酸盐的混合物,由 催化剂降解,在倾析区中将液态硫与液体溶剂分离,从倾析区内的液体溶剂和液态硫之间的层中提取至少含有固体副产物的液体馏分F,将液体 馏分F到与接触阶段不同的处理阶段,并且回收至少一个流F,其包含大部分固体副产物和流浆 m F2主要包括几乎不含处理阶段固体副产物的溶剂。