公开(公告)号：US20090068087A1

公开(公告)日：2009-03-12

申请号：US12279733

申请日：2007-02-16

申请人： Kazuya Koshino ,  Yasuhiko Mori ,  Norihito Omoto

发明人： Kazuya Koshino ,  Yasuhiko Mori ,  Norihito Omoto

IPC分类号： C01B7/04 ,  B01J19/00

CPC分类号： C01B7/04

摘要： Provided is a hydrogen chloride oxidation reaction apparatus for producing chlorine by oxidizing hydrogen chloride through a contact gas phase reaction in the presence of a catalyst by using hydrogen chloride and oxygen as major raw materials, wherein the hydrogen chloride oxidation reaction apparatus includes a mixing portion for mixing the raw material gases and a transfer piping portion for transferring the mixed raw material gases from the mixing portion to a reactor for a contact gas phase reaction, and wherein a gas contact surface of the mixing portion and/or a part of a gas contact surface of the transfer piping is made of or covered with tantalum or a tantalum-tungsten alloy, as well as a hydrogen chloride oxidation reaction method using the same.

摘要翻译： 本发明提供一种氯化氢氧化反应装置，其通过使用氯化氢和氧气作为主要原料，在催化剂存在下，通过接触气相反应来氧化氯化氢，其中氯化氢氧化反应装置包括： 混合原料气体和输送管道部分，用于将混合原料气体从混合部分转移到用于接触气相反应的反应器中，并且其中混合部分和/或气体接触部分的气体接触表面 传输管道的表面由钽或钽 - 钨合金制成或覆盖，以及使用其的氯化氢氧化反应方法。

公开(公告)号：US20100303710A1

公开(公告)日：2010-12-02

申请号：US12096207

申请日：2006-12-06

申请人： Yasuhiko Mori ,  Norihito Omoto

发明人： Yasuhiko Mori ,  Norihito Omoto

IPC分类号： C01B7/04

CPC分类号： C01B7/04 ,  C01B7/0737

摘要： Disclosed is a process for producing chlorine by oxidation of hydrogen chloride through a catalytic gas-phase reaction in the presence of a catalyst, wherein hydrogen chloride as a raw material is a by-product of synthesis of isocyanate by reacting phosgene and primary amine and oxidizing the hydrogen chloride through a catalytic gas phase reaction in the presence of a catalyst. The process is characterized by adjusting the sulfur content in carbon monoxide which is a raw material for the phosgene to 2000 vol. ppb or less.

摘要翻译： 公开了一种在催化剂存在下通过催化气相反应氧化氯化氢生产氯的方法，其中作为原料的氯化氢是通过光气和伯胺反应合成异氰酸酯的副产物和氧化 氯化氢通过催化气相反应在催化剂存在下进行。 该方法的特征在于将作为光气原料的一氧化碳中的硫含量调节至2000体积％。 ppb以下。

公开(公告)号：US20110189079A1

公开(公告)日：2011-08-04

申请号：US13122589

申请日：2009-10-29

申请人： Kohei Seki ,  Norihito Omoto

发明人： Kohei Seki ,  Norihito Omoto

IPC分类号： C01B7/04

CPC分类号： C01B7/0718 ,  B01J20/08 ,  B01J20/28061 ,  B01J21/063 ,  B01J21/08 ,  B01J23/462 ,  C01B7/04 ,  Y02P20/228

摘要： Disclosed is a process for producing chlorine, which makes it possible to successfully continue an oxidation reaction, even if sulfur component-containing hydrogen chloride is used. This process comprises a step of feeding sulfur component-containing hydrogen chloride and oxygen into a reaction tube 1 comprising a catalyst packed bed 10, to thereby oxidize the hydrogen chloride to produce chlorine, wherein the catalyst packed bed 10 includes an alumina-mixed catalyst packed bed 20 formed of a mixture of a catalyst 3 with alumina (or a diluent 4), and wherein the BET specific surface area of the alumina is from 10 to 500 m2/g. Preferably, the alumina is γ-alumina and/or θ-alumina.

摘要翻译： 公开了一种生产氯的方法，即使使用含硫成分的氯化氢也能够成功地继续进行氧化反应。 该方法包括将含硫成分的氯化氢和氧气进料到包含催化剂填充床10的反应管1中，从而氧化氯化氢以产生氯，其中催化剂填充床10包含氧化铝混合催化剂 由催化剂3与氧化铝（或稀释剂4）的混合物形成的床20，其中氧化铝的BET比表面积为10-500m2 / g。 优选地，氧化铝是γ-氧化铝和/或氧化铝。

公开(公告)号：US20110256050A1

公开(公告)日：2011-10-20

申请号：US13141011

申请日：2009-12-03

申请人： Masahiro Kinoshita ,  Norihito Omoto

发明人： Masahiro Kinoshita ,  Norihito Omoto

IPC分类号： C01B7/04

CPC分类号： C01B7/04 ,  C01B7/07 ,  C01B7/0712 ,  C01B7/0743 ,  Y02P20/22

摘要： An object of the present invention is to provide a novel method for producing chlorine, by which it is possible to remove impurities contained with hydrogen chloride in a raw material gas and further to recover unreacted hydrogen chloride after an oxidation reaction efficiently in a method for producing chlorine by oxidizing hydrogen chloride. The method of the present invention for producing chlorine includes [1] an oxidation step of oxidizing hydrogen chloride in a raw material gas containing the hydrogen chloride and impurities with a gas containing oxygen, thereby obtaining a gas containing chlorine, water, unreacted hydrogen chloride, and unreacted oxygen; [2] an absorption step of bringing the gas containing chlorine, water, unreacted hydrogen chloride, and unreacted oxygen obtained in the oxidation step into contact with an absorbent liquid including water or aqueous hydrochloric acid or cooling the gas, thereby recovering unreacted hydrogen chloride in the form of a solution containing hydrogen chloride and water as main components and simultaneously obtaining a gas containing chlorine and unreacted oxygen as main components; and [3] a stripping step of distilling the solution obtained in the absorption step, thereby obtaining a gas containing hydrogen chloride as a main component, wherein the gas obtained in the stripping step, which contains hydrogen chloride as a main component and contains 5 to 50% by volume of water, is recovered and mixed with the raw material gas.

摘要翻译： 本发明的目的是提供一种生产氯的新方法，通过该方法可以除去原料气体中的氯化氢所含的杂质，并且在生产方法中有效地进行氧化反应后的未反应的氯化氢回收 氯化氯。 本发明的氯的制造方法包括：[1]在含有氯的气体中含有氯化氢的原料气体中的氯化氢和含有氧的气体的杂质的氧化工序，得到含有氯，水，未反应的氯化氢的气体， 和未反应的氧气; [2]将在氧化步骤中得到的含有氯，水，未反应的氯化氢和未反应的氧的气体与包含水或盐酸水溶液的吸收剂液体接触或冷却气体的吸收步骤，从而将未反应的氯化氢 以氯化氢和水为主要成分的溶液的形式，同时得到含有氯和未反应的氧作为主要成分的气体; 和[3]蒸馏步骤，蒸馏在吸收步骤中获得的溶液，从而获得含有氯化氢作为主要成分的气体，其中在汽提步骤中获得的气体含有氯化氢作为主要成分，并含有5至 将50体积％的水回收并与原料气体混合。

公开(公告)号：US20110236296A1

公开(公告)日：2011-09-29

申请号：US13132245

申请日：2009-11-24

申请人： Toyomitsu Shimizu ,  Norihito Omoto ,  Shoichi Futagami ,  Sadayuki Miyamura

发明人： Toyomitsu Shimizu ,  Norihito Omoto ,  Shoichi Futagami ,  Sadayuki Miyamura

IPC分类号： C01B7/07

CPC分类号： C01B7/0712 ,  B01D3/14 ,  B01D3/36

摘要： Provided is a method of purifying hydrochloric acid by removing an organic substance having a boiling point of −25° C. to 120° C. under atmospheric pressure from an organic substance-containing hydrochloric acid that contains the organic substance and has a hydrogen chloride concentration higher than an azeotropic hydrogen chloride concentration under atmospheric pressure. The method includes the step of subjecting the organic substance-containing hydrochloric acid to distillation using a distillation tower at an operation pressure set such that an azeotropic hydrogen chloride concentration under the operation pressure is higher than the hydrogen chloride concentration of the organic substance-containing hydrochloric acid, to distill out the organic substance from the top of the distillation tower.

摘要翻译： 提供一种通过从含有机物质的含有机物的盐酸中除去沸点为-25〜120℃的大气压下的有机物质，并且具有氯化氢浓度的方法 高于大气压下的共沸氯化氢浓度。 该方法包括以下步骤：使用蒸馏塔进行蒸馏，操作压力设定为使得操作压力下的共沸氯化氢浓度高于含有机物的盐酸的氯化氢浓度 从蒸馏塔的顶部蒸出有机物质。

公开(公告)号：US20120238782A1

公开(公告)日：2012-09-20

申请号：US13510259

申请日：2010-10-20

申请人： Masahiro Kinoshita ,  Norihito Omoto

发明人： Masahiro Kinoshita ,  Norihito Omoto

IPC分类号： C07C17/02 ,  C07C41/06

CPC分类号： C07C17/38 ,  C01B7/04 ,  C01B7/0706 ,  C07C17/10 ,  C07C29/66 ,  C07C21/067 ,  C07C31/36

摘要： A method for producing allyl chloride is provided which includes: a chlorination step of reacting propylene with chlorine to obtain a reaction product containing allyl chloride, unreacted propylene and by-product hydrogen chloride; a separation step of cooling the reaction product to separate the reaction product into the allyl chloride and a mixed gas containing the unreacted propylene and the by-product hydrogen chloride; a collection step of separating the mixed gas into the unreacted propylene and the by-product hydrogen chloride to collect the unreacted propylene; and an oxidation step of oxidizing the separated by-product hydrogen chloride to obtain chlorine. At least part of the chlorine used in the chlorination step is the chlorine obtained in the oxidation step. A method for producing dichlorohydrin using the chlorine obtained in the oxidation step is also provided.

摘要翻译： 提供了制备烯丙基氯的方法，其包括：使丙烯与氯反应获得含有烯丙基氯，未反应的丙烯和副产物氯化氢的反应产物的氯化步骤; 冷却反应产物以将反应产物分离成烯丙基氯的分离步骤和含有未反应的丙烯和副产物氯化氢的混合气体; 将混合气体分离成未反应的丙烯和副产物氯化氢以收集未反应的丙烯的收集步骤; 和氧化分离的副产物氯化氢以获得氯的氧化步骤。 在氯化步骤中使用的氯的至少一部分是在氧化步骤中获得的氯。 还提供了使用氧化步骤中得到的氯生产二氯丙醇的方法。

公开(公告)号：US20110243833A1

公开(公告)日：2011-10-06

申请号：US13133561

申请日：2009-12-03

申请人： Masahiro Kinoshita ,  Norihito Omoto

发明人： Masahiro Kinoshita ,  Norihito Omoto

IPC分类号： C01B7/04

CPC分类号： C01B7/04 ,  C01B7/0743

摘要： An object of the present invention is to provide a novel method for producing chlorine with improved efficiency, which can remove impurities other than hydrogen chloride contained in a raw material gas and can recover unreacted hydrogen chloride after an oxidation reaction efficiently. The method of the present invention for producing chlorine includes an oxidation step of oxidizing hydrogen chloride in a raw material gas containing hydrogen chloride and impurities with oxygen, thereby obtaining a gas containing chlorine, and an absorption step of bringing the gas containing chlorine obtained in the oxidation step into contact with water or aqueous hydrochloric acid to form a solution containing hydrogen chloride and water as main components, thereby recovering unreacted hydrogen chloride and simultaneously obtaining a gas containing chlorine and oxygen as main components, wherein the above-mentioned raw material gas contains a gas obtained in at least one step of a first stripping step and a second stripping step, and the above-mentioned raw material gas passes through a step of removing moisture and a step of performing compression after at least one step of the first stripping step and the second stripping step and before being subjected to the oxidation step.

摘要翻译： 本发明的目的是提供一种提高效率的生产氯的新方法，其可以除去原料气体中所含的除了氯化氢之外的杂质，并且可以有效地回收氧化反应后的未反应的氯化氢。 本发明的氯生产方法包括氧化步骤，在含有氯化氢和杂质的原料气中氧化氯化氢，从而获得含氯气体和吸收步骤， 氧化步骤与水或盐酸水溶液接触以形成含有氯化氢和水作为主要成分的溶液，从而回收未反应的氯化氢，同时获得含有氯和氧作为主要成分的气体，其中上述原料气体包含 在第一汽提步骤和第二汽提步骤的至少一个步骤中获得的气体，并且上述原料气体通过除去水分的步骤和在第一汽提步骤的至少一个步骤之后进行压缩的步骤 和第二汽提步骤，然后进行氧化步骤。

公开(公告)号：US20110233045A1

公开(公告)日：2011-09-29

申请号：US13132217

申请日：2009-11-24

申请人： Toyomitsu Shimizu ,  Norihito Omoto ,  Shoichi Futagami ,  Sadayuki Miyamura

发明人： Toyomitsu Shimizu ,  Norihito Omoto ,  Shoichi Futagami ,  Sadayuki Miyamura

IPC分类号： B01D3/36 ,  C01B7/07

CPC分类号： C01B7/0712 ,  B01D3/36

摘要： Provided is a method of purifying hydrochloric acid by removing an organic substance having a boiling point of −25° C. to 120° C. under atmospheric pressure from a first organic substance-containing hydrochloric acid that contains the organic substance and has a hydrogen chloride concentration higher than an azeotropic hydrogen chloride concentration under atmospheric pressure. The method includes the step of subjecting a second organic substance-containing hydrochloric acid to distillation using a distillation tower under atmospheric pressure, to distill out the organic substance from a top of the distillation tower. The second organic substance-containing hydrochloric acid is obtained by mixing the first organic substance-containing hydrochloric acid and water or dilute hydrochloric acid and has the hydrogen chloride concentration lower than the azeotropic hydrogen chloride concentration under atmospheric pressure.

摘要翻译： 提供一种通过从含有有机物质的第一含有机物的盐酸的大气压下除去沸点为-25℃至120℃的有机物质来净化盐酸的方法，并且具有氯化氢 浓度高于大气压下的共沸氯化氢浓度。 该方法包括在大气压下使用蒸馏塔对含有第二有机物的盐酸进行蒸馏的步骤，从蒸馏塔顶馏出有机物质。 第二含有机物的盐酸通过将含有第一有机物质的盐酸和水或稀盐酸混合并在大气压下具有低于共沸氯化氢浓度的氯化氢浓度而获得。