公开(公告)号：US20080295688A1

公开(公告)日：2008-12-04

申请号：US12159797

申请日：2007-01-25

申请人： Martin Sesing ,  Heiner Schelling ,  Jurgen Ciprian ,  Filip Deberdt ,  Martin Karches ,  Olga Schubert

发明人： Martin Sesing ,  Heiner Schelling ,  Jurgen Ciprian ,  Filip Deberdt ,  Martin Karches ,  Olga Schubert

IPC分类号： B01D53/02

CPC分类号： C01B7/0718

摘要： Process for recovering (chloro)hydrocarbon-free hydrogen chloride and phosgene-free (chloro)hydrocarbons from a hydrogen chloride stream comprising (chloro)hydrocarbons and phosgene, which comprises i) in a first step, connecting a first adsorber and a second adsorber in series and passing the fresh hydrogen chloride stream comprising phosgene and (chloro)hydrocarbons firstly through the first adsorber and subsequently through the second adsorber until essentially no more (chloro)hydrocarbon is adsorbed by the first adsorber, ii) in a second step, passing the fresh hydrogen chloride stream through the second adsorber while the first adsorber is regenerated, with essentially phosgene-free (chloro)hydrocarbon being obtained in the regeneration, iii) in a third step, passing the fresh hydrogen chloride steam firstly through the second adsorber and subsequently through the regenerated first adsorber until essentially no more (chloro)hydrocarbon is adsorbed by the second adsorber, iv) in a fourth step, passing the fresh hydrogen chloride stream through the first adsorber while the second adsorber is regenerated, with essentially phosgene-free (chloro)hydrocarbon being obtained in the regeneration, with the steps i) to iv) being able to be carried out one or more times in succession.

摘要翻译： 从含有（氯）烃和光气的氯化氢流中回收（氯）无烃氯化氢和无光气（氯）烃的方法，其包括i）在第一步骤中，将第一吸附剂和第二吸附剂连接在 串联并通过包含光气和（氯）烃的新鲜氯化氢料流首先通过第一吸附器并随后通过第二吸附器，直到基本上不再有（氯）烃被第一吸附器吸附，ii）在第二步中， 新鲜的氯化氢流通过第二吸附器，同时第一吸附器被再生，在再生中获得基本上无光气（氯）烃; iii）在第三步骤中，将新鲜的氯化氢蒸汽首先通过第二吸附器，随后 通过再生的第一吸附器直到基本上不再有（氯）烃被第二吸附器吸附，iv） 第四步，使新鲜的氯化氢流通过第一吸附器，同时再生第二吸附器，在再生中获得基本上无光气的（氯）烃，步骤i）至iv）能够进行一次 或更多次。

公开(公告)号：US07819949B2

公开(公告)日：2010-10-26

申请号：US12159797

申请日：2007-01-25

申请人： Martin Sesing ,  Heiner Schelling ,  Juergen Ciprian ,  Filip Deberdt ,  Martin Karches ,  Olga Schubert

发明人： Martin Sesing ,  Heiner Schelling ,  Juergen Ciprian ,  Filip Deberdt ,  Martin Karches ,  Olga Schubert

IPC分类号： B01D53/70 ,  C01B7/07

CPC分类号： C01B7/0718

摘要： (Chloro)hydrocarbon-free hydrogen chloride and phosgene-free (chloro)hydrocarbons are recovered from a hydrogen chloride stream having (chloro)hydrocarbons and phosgene. The recovery involves connecting a first adsorber and a second adsorber in series and passing the fresh hydrogen chloride stream comprising phosgene and (chloro)hydrocarbons firstly through the first adsorber and subsequently through the second adsorber until essentially no more (chloro)hydrocarbon is adsorbed by the first adsorber, passing the fresh hydrogen chloride stream through the second adsorber while the first adsorber is regenerated, with essentially phosgene-free (chloro)hydrocarbon being obtained in the regeneration, passing the fresh hydrogen chloride stream firstly through the second adsorber and subsequently through the regenerated first adsorber until essentially no more (chloro)hydrocarbon is adsorbed by the second adsorber, and passing the fresh hydrogen chloride stream through the first adsorber while the second adsorber is regenerated, with essentially phosgene-free (chloro)hydrocarbon being obtained in the regeneration.

摘要翻译： 从具有（氯）烃和光气的氯化氢流中回收（氯）无烃氯化氢和无光气（氯）烃。 回收包括串联连接第一吸附器和第二吸附器，并将包含光气和（氯）烃的新鲜的氯化氢料流首先通过第一吸附器，然后通过第二吸附器，直到基本上不再有（氯）烃被 第一吸附器，使新鲜的氯化氢流通过第二吸附器，同时再生第一吸附器，在再生中获得基本上无光气的（氯）烃，使新鲜的氯化氢流首先通过第二吸附器，随后通过第 再生的第一吸附器，直到基本上不再有（氯）烃被第二吸附器吸附，并且使新鲜的氯化氢流通过第一吸附器，同时再生第二吸附器，在再生中获得基本上无光气的（氯）烃 。

公开(公告)号：US20090304572A1

公开(公告)日：2009-12-10

申请号：US12162368

申请日：2007-01-26

申请人： Martin Sesing ,  Knud Jacobsen ,  Klaus-Dieter Reinhardt ,  Hans-Juergen Pallasch ,  Peter Van Den Abeel ,  Heiner Schelling

发明人： Martin Sesing ,  Knud Jacobsen ,  Klaus-Dieter Reinhardt ,  Hans-Juergen Pallasch ,  Peter Van Den Abeel ,  Heiner Schelling

IPC分类号： C01B7/04

CPC分类号： C01B7/04 ,  C01B7/0743

摘要： Process for preparing chlorine from hydrogen chloride, which comprises the steps: a) feeding of a stream a1 comprising hydrogen chloride and of a stream a2 comprising oxygen into an oxidation zone and catalytic oxidation of hydrogen chloride to chlorine, giving a product gas stream a3 comprising chlorine, water, oxygen, carbon dioxide and inert gases; b) contacting of the product gas stream a3 with aqueous hydrochloric acid I in a phase contact apparatus and partial separation of water and of hydrogen chloride from the stream a3, leaving a gas stream b comprising hydrogen chloride, chlorine, water, oxygen, carbon dioxide and possibly inert gases, with at least 5% of the hydrogen chloride comprised in the stream a3 remaining in the gas stream b; c) drying of the gas stream b) to leave a gas stream c which is substantially free of water and comprises hydrogen chloride, chlorine, oxygen, carbon dioxide and possibly inert gases; d) partial liquefaction of the gas stream c by compression and cooling, giving an at least partially liquefied stream d; e) gas/liquid separation of the stream d into a gas stream e1 comprising chlorine, oxygen, carbon dioxide, hydrogen chloride and possibly inert gases and a liquid stream e2 comprising hydrogen chloride, chlorine, oxygen and carbon dioxide and, if appropriate, recirculation of at least part of the gas stream e1 to step a); f) separation of the liquid stream e2 into a chlorine stream f1 and a stream f2 consisting essentially of hydrogen chloride, oxygen and carbon dioxide by distillation in a column, with part of the hydrogen chloride condensing at the top of the column and running back as runback into the column, as a result of which a stream f2 having a chlorine content of

摘要翻译： 从氯化氢制备氯的方法，其包括以下步骤：a）将包含氯化氢的流a1和包含氧的料流a1进料到氧化区中并将氯化氢催化氧化成氯，得到产物气流a3，其包含 氯，水，氧，二氧化碳和惰性气体; b）在相位接触装置中将产物气流a3与盐酸I水溶液接触，并从流a3中部分分离水和氯化氢，留下包含氯化氢，氯，水，氧气，二氧化碳的气流b 和可能的惰性气体，其中包含在流a3中的至少5％的氯化氢保留在气流b中; c）干燥气流b）以留下基本上不含水的气流c，并包含氯化氢，氯气，氧气，二氧化碳和可能的惰性气体; d）压缩和冷却气流c的部分液化，给出至少部分液化的流d; e）将气流d气体/液体分离成包含氯气，氧气，二氧化碳，氯化氢和可能的惰性气体的气体流e1和包含氯化氢，氯气，氧气和二氧化碳的液体流e2，如果合适的话，再循环 的气流e1至步骤a）的至少一部分; f）通过在柱中蒸馏将液体流e2分离成氯流f1和基本上由氯化氢，氧气和二氧化碳组成的物流f2，其中一部分氯化氢在塔的顶部冷凝并回流为 反应到塔中，结果得到氯含量<1重量％的料流f2。

公开(公告)号：US08993803B2

公开(公告)日：2015-03-31

申请号：US13255665

申请日：2010-03-10

申请人： Gerhard Olbert ,  Kai Thiele ,  Byoung-Yeon Kim ,  Heiner Schelling

发明人： Gerhard Olbert ,  Kai Thiele ,  Byoung-Yeon Kim ,  Heiner Schelling

IPC分类号： C07C51/58 ,  C01B31/28

CPC分类号： C01B31/28 ,  C01B32/80

摘要： A process for preparing phosgene by reaction of a feed stream (1) obtained by combining and mixing a chlorine feed stream (2) and a carbon monoxide feed stream (3), with the carbon monoxide being introduced in a stoichiometric excess over chlorine, in catalyst tubes filled with beds of activated carbon in a reactor R having a bundle of catalyst tubes,to give a product gas mixture (4)which is separated into a liquid, phosgene-comprising product stream (5) and an offgas stream (6) comprising carbon monoxide which is discharged via a pressure-regulating valve, where the reaction of the feed stream (1) in the reactor R and the separation of the product gas mixture (4) are carried out under a pressure in the range from 2.0 to 6.0 bar gauge pressure, whereinthe excess of carbon monoxide in the feed stream (1) to the reactor R is regulated by continuously measuring the flow and the concentration of carbon monoxide in the offgas stream (6), calculating the actual value of the excess of carbon monoxide in the feed stream (1) to the reactor R from these measurements in combination with the continuously measured values for the flow of the carbon monoxide feed stream (3) and the flow of and the chlorine concentration in the chlorine feed stream (2) and matching this to the intended value of the excess of carbon monoxide in the feed stream (1) to the reactor R by adapting the flow of the carbon monoxide feed stream (3), is proposed.

摘要翻译： 通过将通过混合和混合氯进料流（2）和一氧化碳进料流（3）获得的进料流（1）与以氯化学计量过量的一氧化碳反应制备光气的方法， 在具有一束催化剂管的反应器R中填充有活性炭床的催化剂管，得到产物气体混合物（4），其被分离成液体，含光气的产物流（5）和废气流（6） 包括通过压力调节阀排出的一氧化碳，其中反应器R中的进料流（1）与产物气体混合物（4）的分离反应在2.0〜 6.0巴表压，其中通过连续测量废气流（6）中的一氧化碳的流量和浓度来调节进料流（1）中通过反应器R的过量一氧化碳，计算过量的实际值 的碳水化合物 将来自这些测量的进料流（1）中的一氧化碳与来自一氧化碳进料流（3）的流量和氯进料流（2）中的流量和氯浓度的连续测量值结合的反应器R ），并通过适应一氧化碳进料流（3）的流量将其与进料流（1）中过量的一氧化碳的预期值相匹配。

公开(公告)号：US08759569B2

公开(公告)日：2014-06-24

申请号：US13380680

申请日：2010-06-16

申请人： Heiner Schelling ,  Ulrich Penzel ,  Eckhard Stroefer ,  Matthias Eiermann ,  Jon S. Speier ,  Kai Thiele ,  Michael Bock

发明人： Heiner Schelling ,  Ulrich Penzel ,  Eckhard Stroefer ,  Matthias Eiermann ,  Jon S. Speier ,  Kai Thiele ,  Michael Bock

IPC分类号： C07C263/00

CPC分类号： C07C263/10 ,  C07C265/14

摘要： The present invention relates to a process for the production of isocyanates, preferably diisocyanates and polyisocyanates of the diphenylmethane series (MDI), by reacting an amine with phosgene in the liquid phase or in the gas phase to form the corresponding isocyanates, subsequent removal of the solvent in at least two steps to obtain at least two solvent streams, individual treatment of the at least two solvent streams, and recirculation of at least a portion of the solvent streams.

摘要翻译： 本发明涉及通过使胺与气相或气相中的光气反应以形成相应的异氰酸酯来制备二异氰酸酯，优选二苯甲烷系列（MDI）的二异氰酸酯和多异氰酸酯的方法，随后除去 溶剂至少两个步骤以获得至少两种溶剂流，对至少两种溶剂流进行单独处理，以及再循环至少一部分溶剂流。

公开(公告)号：US20120213692A1

公开(公告)日：2012-08-23

申请号：US13363757

申请日：2012-02-01

申请人： Hans-Jürgen Pallasch ,  Heiner Schelling ,  Peter Van den Abeel ,  Till Einig

发明人： Hans-Jürgen Pallasch ,  Heiner Schelling ,  Peter Van den Abeel ,  Till Einig

IPC分类号： C01B7/04 ,  F25J3/08

CPC分类号： C01B7/04 ,  B01D3/14 ,  C01B7/0743 ,  C01B7/075

摘要： The invention relates to a process for separating chlorine from a gas stream I comprising oxygen and chlorine, in which the gas stream I is fed into a lower part of a column K1 and a separately provided liquid, hydrogen chloride stream II is fed into an upper part of the same column and the ascending gaseous stream I is brought into contact with the descending liquid stream II, with chlorine condensing out from the stream I and hydrogen chloride vaporizing from the stream II to give an essentially chlorine-free gas stream III comprising hydrogen chloride and oxygen and a liquid stream IV comprising chlorine.

摘要翻译： 本发明涉及一种从包含氧和氯的气流I中分离氯的方法，其中将气流I进料到柱K1的下部，并将单独提供的液体，氯化氢流II进料到上部 同一列的一部分和上升的气流I与下降的液体流II接触，从流I中冷凝出的氯和从流II蒸发的氯化氢，得到基本上不含氯的气流III，其包含氢 氯和氧，以及包含氯的液体流IV。

公开(公告)号：US20110263902A1

公开(公告)日：2011-10-27

申请号：US13090711

申请日：2011-04-20

申请人： Patrick Deck ,  Heiner Schelling ,  Florian Garlichs

发明人： Patrick Deck ,  Heiner Schelling ,  Florian Garlichs

IPC分类号： C07C315/00

CPC分类号： C07C315/00 ,  C07C317/14

摘要： The invention relates to a process for preparing 4,4′-dichlorodiphenyl sulfone, comprising the reaction of monochlorobenzene and liquid sulfur trioxide, wherein the liquid sulfur trioxide used has a boron content of at most 100 ppm based on the total weight of the sulfur trioxide used, including all secondary components.

摘要翻译： 本发明涉及一种制备4,4'-二氯二苯砜的方法，包括一氯苯和液态三氧化硫的反应，其中使用的液体三氧化硫的硼含量基于三氧化硫的总重量至多为100ppm 使用，包括所有次要组件。

公开(公告)号：US20110218357A1

公开(公告)日：2011-09-08

申请号：US13041536

申请日：2011-03-07

申请人： Patrick Deck ,  Heiner Schelling ,  Florian Garlichs

发明人： Patrick Deck ,  Heiner Schelling ,  Florian Garlichs

IPC分类号： C07C303/22 ,  C07C315/00

CPC分类号： C07C303/22 ,  C07C315/00

摘要： The invention relates to a process for preparing 4-chlorobenzenesulfonic acid from 2-chlorobenzenesulfonic acid and/or 3-chlorobenzenesulfonic acid, comprising the conversion of 2-chlorobenzenesulfonic acid and/or 3-chlorobenzenesulfonic acid to 4-chlorobenzenesulfonic acid in the presence of sulfuric acid at a temperature of 100 to 300° C.The present invention further relates to a process for preparing 4,4′-dichlorodiphenyl sulfone, comprising said process for preparing 4-chlorobenzenesulfonic acid.

摘要翻译： 本发明涉及一种由2-氯苯磺酸和/或3-氯苯磺酸制备4-氯苯磺酸的方法，包括在硫酸存在下将2-氯苯磺酸和/或3-氯苯磺酸转化为4-氯苯磺酸 本发明还涉及一种制备4,4'-二氯二苯砜的方法，包括所述的制备4-氯苯磺酸的方法。

公开(公告)号：US20120108844A1

公开(公告)日：2012-05-03

申请号：US13380357

申请日：2010-06-23

申请人： Heiner Schelling ,  Ulrich Penzel ,  Eckhard Stroefer ,  Dirk Hablawetz ,  Dave Beckwith ,  Kai Thiele ,  Johannes Jacobs ,  Matthias Eiermann ,  Uwe Storck ,  Jon S. Speier ,  Thomas Grzanka ,  William Portwood

发明人： Heiner Schelling ,  Ulrich Penzel ,  Eckhard Stroefer ,  Dirk Hablawetz ,  Dave Beckwith ,  Kai Thiele ,  Johannes Jacobs ,  Matthias Eiermann ,  Uwe Storck ,  Jon S. Speier ,  Thomas Grzanka ,  William Portwood

IPC分类号： C07C263/10 ,  G01N1/00 ,  G01R27/08

CPC分类号： B01J19/002 ,  B01J2219/00006 ,  B01J2219/00186 ,  B01J2219/00202 ,  B01J2219/00209 ,  C07C263/10 ,  C07C2601/14 ,  G01N17/00 ,  C07C265/14

摘要： The invention relates to a method of measuring entry of water and resulting corrosion in plants for producing isocyanates by reacting phosgene with one or more primary amines in a solvent. The invention further relates to an apparatus for producing such isocyanates, in the work-up section of which probes for monitoring corrosion are arranged in defined places.

摘要翻译： 本发明涉及一种测量植物中水分进入和产生腐蚀的方法，用于通过光气与一种或多种伯胺在溶剂中反应制备异氰酸酯。 本发明还涉及一种用于制造这种异氰酸酯的装置，在其上述检查部分中，用于监测腐蚀的探针被布置在限定的位置。

公开(公告)号：US20120108843A1

公开(公告)日：2012-05-03

申请号：US13383549

申请日：2010-07-15

申请人： Heiner Schelling ,  Hans-Juergen Pallasch ,  Eckhard Stroefer ,  Jon S. Speier ,  Byoung-Yeon Kim

发明人： Heiner Schelling ,  Hans-Juergen Pallasch ,  Eckhard Stroefer ,  Jon S. Speier ,  Byoung-Yeon Kim

IPC分类号： C07C263/10

CPC分类号： C01B31/28 ,  C01B32/80 ,  C07C263/10 ,  C08G18/7664 ,  C07C265/14

摘要： The present invention accordingly provides a process for preparing light-coloured polyphenylene-polymethylene polyisocyanates comprising the steps (a) providing an amount of chlorine, (b) separating the chlorine provided in the step (a) to obtain a first chlorine fraction having a content of free and bound bromine and iodine of

摘要翻译： 因此，本发明提供了制备浅色聚亚苯基 - 多亚甲基多异氰酸酯的方法，其包括步骤（a）提供一定量的氯，（b）将步骤（a）中提供的氯分离，得到含有 游离和结合的溴和碘<50ppm的第二氯级分和具有增加游离和结合溴和碘含量的第二氯级分，其取决于步骤（a）中提供的氯中溴和碘的原始量和分离分离 （c）使一氧化碳与第一氯馏分的至少一部分反应以形成第一光气级分，（d）使一氧化碳与第二氯级分的至少一部分反应以形成第二级光气级分，（e） 将至少一部分第一光气级分与二苯基甲烷二胺系列（MDA）的至少一种胺反应形成相应的聚亚苯基 - 多亚甲基多异氰酸酯（PMDI）， d（f）使第二光气组分的至少一部分与至少一种伯胺反应，除了单 - 和聚亚苯基 - 多亚甲基多胺以形成至少一种含异氰酸酯的反应溶液。