WO2021083022A1 - Method for producing propylene carbonate or ethylene carbonate - Google Patents
Method for producing propylene carbonate or ethylene carbonate Download PDFInfo
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- WO2021083022A1 WO2021083022A1 PCT/CN2020/122696 CN2020122696W WO2021083022A1 WO 2021083022 A1 WO2021083022 A1 WO 2021083022A1 CN 2020122696 W CN2020122696 W CN 2020122696W WO 2021083022 A1 WO2021083022 A1 WO 2021083022A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D317/34—Oxygen atoms
- C07D317/36—Alkylene carbonates; Substituted alkylene carbonates
- C07D317/38—Ethylene carbonate
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D317/34—Oxygen atoms
- C07D317/36—Alkylene carbonates; Substituted alkylene carbonates
Definitions
- the invention relates to a production method of chemical products, in particular to a production method of propylene carbonate or ethylene carbonate.
- Propylene carbonate is a high boiling point and high polarity organic solvent with excellent performance. It has a wide range of uses. It can be used as a dispersant for dyes and pigments, an oily solvent, a spinning solvent, and an extractant for olefins and aromatic hydrocarbons. , The decarbonization solvent in the production of nitrogen fertilizer, it can also be used as the electrolyte of lithium-ion batteries, and propylene carbonate can further be used to make dimethyl carbonate, a green solvent.
- the production methods of propylene (ethylene) carbonate include the phosgene method in which propylene (ethylene) glycol is reacted with phosgene, the transesterification method in which dimethyl (ethyl) carbonate and ethylene glycol are transesterified, and urea and propylene (ethyl) )
- the urea alcoholysis method of glycol reaction the addition method of the addition reaction of propylene oxide (ethylene) and carbon dioxide.
- the existing production of propylene (ethylene) carbonate in my country is mostly based on the addition reaction of propylene oxide (ethylene) and carbon dioxide.
- the raw materials used are propylene oxide (ethylene) and carbon dioxide from different devices. It is of great significance to develop a new raw material route to prepare propylene (vinyl) carbonate so that it has a more reasonable process route.
- the object of the present invention is to provide a method for producing propylene carbonate or ethylene carbonate, which is a method for producing propylene (vinyl) carbonate using propylene and chlorine as starting materials, and the method includes 4 reaction units ,
- the carbon dioxide for synthesizing propylene carbonate or ethylene carbonate and propylene oxide or ethylene oxide come from the same device.
- the raw material route is reasonable, energy saving and environmental protection, so that the production of propylene carbonate has better economic benefits and Environmental benefits.
- a production method of propylene carbonate or ethylene carbonate comprising: raw material chlorine gas, water and hydrogen chloride removing agent enter a first reaction unit, the water and chlorine gas react to generate hypochlorous acid and hydrogen chloride, and hydrogen chloride and hydrogen chloride are removed The removing agent reacts to generate carbon dioxide and chloride.
- the hydrogen chloride removing agent used is preferably calcium carbonate and sodium bicarbonate; the hydrochloric acid-free hypochlorous acid and propylene or ethylene exiting the first reaction unit enter the second reaction unit to carry out hypochlorous acid and propylene or Ethylene reacts to produce chloropropanol or chloroethanol; the chloropropanol or chloroethanol from the second reaction unit and calcium hydroxide or sodium hydroxide enter the third reaction unit to react to produce propylene oxide or ethylene oxide and chlorine Aqueous solution of calcium chloride or sodium chloride; propylene oxide or ethylene oxide exiting the third reaction unit and carbon dioxide exiting the first reaction unit enter the fourth reaction unit to react to produce the target product propylene carbonate or ethylene carbonate.
- Propylene and chlorine are used as starting materials to produce propylene oxide (ethylene) while by-product carbon dioxide. It has the raw material conditions for the addition reaction of propylene oxide and carbon dioxide to produce propylene (ethylene) carbonate. , The raw material route is reasonable and the product economy is good.
- Fig. 1 is a process diagram of the production method of propylene carbonate or ethylene carbonate of the present invention.
- Embodiment 1 includes: a production method of propylene carbonate, the production method includes: raw material chlorine gas, water and hydrogen chloride removal agent enter the first reaction unit, the water and chlorine gas react to generate hypochlorous acid and hydrogen chloride, hydrogen chloride and hydrogen chloride The removing agent reacts to generate carbon dioxide and chloride.
- the hydrogen chloride removing agent used is sodium bicarbonate, and the chloride produced by the reaction of hydrogen chloride and hydrogen chloride removing agent is sodium chloride;
- the hydrogen chloride-free hypochlorous acid and propylene from the first reaction unit 1 Enter the second reaction unit 2 to react hypochlorous acid and propylene to produce chloropropanol;
- the chloropropanol and sodium hydroxide from the second reaction unit 2 enter the third reaction unit 3 to react to produce propylene oxide and sodium chloride
- the propylene oxide from the third reaction unit 3 and the carbon dioxide from the first reaction unit 1 enter the fourth reaction unit 4 to react to produce the target product propylene carbonate.
- Example 2 is basically the same as Example 1, except that the hydrogen chloride removing agent that enters the first reaction unit 1 is calcium carbonate, and the chloride produced by the reaction of hydrogen chloride and the hydrogen chloride removing agent is calcium chloride; it exits the first reaction unit 1.
- Hypochlorous acid from which hydrogen chloride has been removed reacts with ethylene to produce chloroethanol.
- This chloroethanol leaves the second reaction unit 2 and enters the third reaction unit 3 with calcium hydroxide to react to form ethylene oxide, and exit the ring of the third reaction unit 3.
- the oxyethane and carbon dioxide from the first reaction unit 1 enter the fourth reaction unit 4 to react to form ethylene carbonate.
- Example 3 is basically the same as Example 1, except that the hydrogen chloride removing agent that enters the first reaction unit 1 is calcium carbonate, and the chloride produced by the reaction of hydrogen chloride and the hydrogen chloride removing agent is calcium chloride; and the second reaction unit is discharged.
- the chloropropanol of 2 and calcium hydroxide enter the third reaction unit 3 to react to generate propylene oxide, and the propylene oxide and carbon dioxide enter the fourth reaction unit to generate propylene carbonate.
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Abstract
A method for producing propylene carbonate or ethylene carbonate. The present invention relates to a method for producing a chemical product. The method comprises four reaction units: a reaction unit 1, in which chlorine, water, and calcium carbonate or sodium bicarbonate react to produce a hydrogen chloride-free hypochlorous acid solution and carbon dioxide; a reaction unit 2, in which the hypochlorous acid reacts with propylene or ethylene to produce chloropropanol or chloroethanol; a reaction unit 3, in which the chloropropanol or chloroethanol reacts with calcium hydroxide or sodium hydroxide to produce propylene oxide or ethylene oxide; and a reaction unit 4, in which the carbon dioxide generated in the reaction unit 1 and the propylene oxide or ethylene oxide generated in the reaction unit 3 react in the reaction unit 4 to generate propylene carbonate or ethylene carbonate. The carbon dioxide and propylene oxide or ethylene oxide for synthesizing the propylene carbonate or ethylene carbonate originate from the same device, producing an appropriate raw material route, and achieving good economic efficiency for the product.
Description
本发明涉及一种化工产品的生产方法，特别是涉及一种碳酸丙烯酯或碳酸乙烯酯的生产方法。The invention relates to a production method of chemical products, in particular to a production method of propylene carbonate or ethylene carbonate.
碳酸丙(乙)烯酯是一种性能优良的高沸点和高极性有机溶剂，用途广泛，它可用作染料和颜料的分散剂、油性溶剂、纺丝溶剂、烯烃和芳香烃的萃取剂，氮肥生产中的脱碳溶剂，它还可以作为锂离子电池的电解液，碳酸丙(乙)烯酯还可进一步制得绿色溶剂碳酸二甲酯。碳酸丙(乙)烯酯的生产方法有丙(乙)二醇与光气反应的光气法，碳酸二甲(乙)酯和乙二醇酯交换反应的酯交换法，尿素与丙(乙)二醇反应的尿素醇解法，环氧丙(乙)烷与二氧化碳加成反应的加成法。我国已有的碳酸丙(乙)烯酯生产以环氧丙(乙)烷与二氧化碳加成反应居多，其所用原料环氧丙(乙)烷和二氧化碳来自不同的装置。开发新的原料路线制取碳酸丙(乙)烯酯，使其具有更合理的工艺路线具有重要意义。Propylene carbonate is a high boiling point and high polarity organic solvent with excellent performance. It has a wide range of uses. It can be used as a dispersant for dyes and pigments, an oily solvent, a spinning solvent, and an extractant for olefins and aromatic hydrocarbons. , The decarbonization solvent in the production of nitrogen fertilizer, it can also be used as the electrolyte of lithium-ion batteries, and propylene carbonate can further be used to make dimethyl carbonate, a green solvent. The production methods of propylene (ethylene) carbonate include the phosgene method in which propylene (ethylene) glycol is reacted with phosgene, the transesterification method in which dimethyl (ethyl) carbonate and ethylene glycol are transesterified, and urea and propylene (ethyl) ) The urea alcoholysis method of glycol reaction, the addition method of the addition reaction of propylene oxide (ethylene) and carbon dioxide. The existing production of propylene (ethylene) carbonate in my country is mostly based on the addition reaction of propylene oxide (ethylene) and carbon dioxide. The raw materials used are propylene oxide (ethylene) and carbon dioxide from different devices. It is of great significance to develop a new raw material route to prepare propylene (vinyl) carbonate so that it has a more reasonable process route.
发明内容Summary of the invention
本发明的目的在于提供一种碳酸丙烯酯或碳酸乙烯酯的生产方法，该方法为一种以丙烯和氯气为起始原料的碳酸丙(乙)烯酯生产方法，该方法包括4个反应单元，合成碳酸丙烯酯或碳酸乙烯酯的二氧化碳与环氧丙烷或环氧乙烷出于同一装置，原料路线合理、节能、环保，使碳酸丙(乙)烯酯的生产具有更好的经济效益和环境效益。The object of the present invention is to provide a method for producing propylene carbonate or ethylene carbonate, which is a method for producing propylene (vinyl) carbonate using propylene and chlorine as starting materials, and the method includes 4 reaction units , The carbon dioxide for synthesizing propylene carbonate or ethylene carbonate and propylene oxide or ethylene oxide come from the same device. The raw material route is reasonable, energy saving and environmental protection, so that the production of propylene carbonate has better economic benefits and Environmental benefits.
本发明是通过以下技术方案实现的：The present invention is realized through the following technical solutions:
一种碳酸丙烯酯或碳酸乙烯酯的生产方法，所述生产方法包括：原料氯气、水和氯化氢脱除剂进入第一反应单元，进行水与氯气反应生成次氯酸和氯化氢，氯化氢和氯化氢脱除剂反应生成二氧化碳和氯化物，所用氯化氢脱除剂优选碳酸钙和碳酸氢钠；出第一反应单元的无氯化氢次氯酸与丙烯或乙烯进入第二反应单元，进行次氯酸与丙烯或乙烯反应生成氯丙醇或氯乙醇；出第二反应单元的氯丙醇或氯乙醇与氢氧化钙或氢氧化钠进入第三反应单元进行反应，生成环氧丙烷或环氧乙烷及含氯化钙或氯化钠的水溶液；出第三反应单元的环氧丙烷或环氧乙烷与出第一反应单元的二氧化碳进入第四反应单元，反应生成目的产物碳酸丙烯酯或碳 酸乙烯酯。A production method of propylene carbonate or ethylene carbonate, said production method comprising: raw material chlorine gas, water and hydrogen chloride removing agent enter a first reaction unit, the water and chlorine gas react to generate hypochlorous acid and hydrogen chloride, and hydrogen chloride and hydrogen chloride are removed The removing agent reacts to generate carbon dioxide and chloride. The hydrogen chloride removing agent used is preferably calcium carbonate and sodium bicarbonate; the hydrochloric acid-free hypochlorous acid and propylene or ethylene exiting the first reaction unit enter the second reaction unit to carry out hypochlorous acid and propylene or Ethylene reacts to produce chloropropanol or chloroethanol; the chloropropanol or chloroethanol from the second reaction unit and calcium hydroxide or sodium hydroxide enter the third reaction unit to react to produce propylene oxide or ethylene oxide and chlorine Aqueous solution of calcium chloride or sodium chloride; propylene oxide or ethylene oxide exiting the third reaction unit and carbon dioxide exiting the first reaction unit enter the fourth reaction unit to react to produce the target product propylene carbonate or ethylene carbonate.
本发明的优点：The advantages of the present invention:
以丙烯和氯气为起始原料，制得环氧丙(乙)烷的同时，副产二氧化碳，具备了环氧丙(乙)烷和二氧化碳加成反应制碳酸丙(乙)烯酯的原料条件，原料路线合理，产品经济性好。Propylene and chlorine are used as starting materials to produce propylene oxide (ethylene) while by-product carbon dioxide. It has the raw material conditions for the addition reaction of propylene oxide and carbon dioxide to produce propylene (ethylene) carbonate. , The raw material route is reasonable and the product economy is good.
图1是本发明碳酸丙烯酯或碳酸乙烯酯的生产方法工艺简图。Fig. 1 is a process diagram of the production method of propylene carbonate or ethylene carbonate of the present invention.
实施例1Example 1
实施例1包括：一种碳酸丙烯酯的生产方法，所述生产方法包括：原料氯气、水和氯化氢脱除剂进入第一反应单元，进行水与氯气反应生成次氯酸和氯化氢，氯化氢和氯化氢脱除剂反应生成二氧化碳和氯化物，所用氯化氢脱除剂为碳酸氢钠，氯化氢和氯化氢脱除剂反应生成的氯化物为氯化钠；出第一反应单元1的无氯化氢次氯酸与丙烯进入第二反应单元2，进行次氯酸与丙烯反应生成氯丙醇；出第二反应单元2的氯丙醇与氢氧化钠进入第三反应单元3，反应生成环氧丙烷及含氯化钠的水溶液；出第三反应单元3的环氧丙烷与出第一反应单元1的二氧化碳进入第四反应单元4，反应生成目的产物碳酸丙烯酯。Embodiment 1 includes: a production method of propylene carbonate, the production method includes: raw material chlorine gas, water and hydrogen chloride removal agent enter the first reaction unit, the water and chlorine gas react to generate hypochlorous acid and hydrogen chloride, hydrogen chloride and hydrogen chloride The removing agent reacts to generate carbon dioxide and chloride. The hydrogen chloride removing agent used is sodium bicarbonate, and the chloride produced by the reaction of hydrogen chloride and hydrogen chloride removing agent is sodium chloride; the hydrogen chloride-free hypochlorous acid and propylene from the first reaction unit 1 Enter the second reaction unit 2 to react hypochlorous acid and propylene to produce chloropropanol; the chloropropanol and sodium hydroxide from the second reaction unit 2 enter the third reaction unit 3 to react to produce propylene oxide and sodium chloride The propylene oxide from the third reaction unit 3 and the carbon dioxide from the first reaction unit 1 enter the fourth reaction unit 4 to react to produce the target product propylene carbonate.
实施例2Example 2
实施例2与实施例1基本相同，不同之处在于进入第一反应单元1的氯化氢脱除剂为碳酸钙，氯化氢和氯化氢脱除剂反应生成的氯化物为氯化钙；出第一反应单元1的脱除了氯化氢的次氯酸与乙烯反应生成氯乙醇，此氯乙醇离开第二反应单元2与氢氧化钙进入第三反应单元3反应生成环氧乙烷，出第三反应单元3的环氧乙烷与来自第一反应单元1的二氧化碳进入第四反应单元4反应生成碳酸乙烯酯。Example 2 is basically the same as Example 1, except that the hydrogen chloride removing agent that enters the first reaction unit 1 is calcium carbonate, and the chloride produced by the reaction of hydrogen chloride and the hydrogen chloride removing agent is calcium chloride; it exits the first reaction unit 1. Hypochlorous acid from which hydrogen chloride has been removed reacts with ethylene to produce chloroethanol. This chloroethanol leaves the second reaction unit 2 and enters the third reaction unit 3 with calcium hydroxide to react to form ethylene oxide, and exit the ring of the third reaction unit 3. The oxyethane and carbon dioxide from the first reaction unit 1 enter the fourth reaction unit 4 to react to form ethylene carbonate.
实施例3Example 3
实施例3与实施例1基本相同，不同之处在于进入第一反应单元1的氯化氢脱除剂为碳酸钙，氯化氢和氯化氢脱除剂反应生成的氯化物为氯化钙；出第二反应单元2的氯丙醇与氢氧化钙进入第三反应单元3，反应生成环氧丙烷，环氧丙烷与 二氧化碳进入第四反应单元生成碳酸丙烯酯。Example 3 is basically the same as Example 1, except that the hydrogen chloride removing agent that enters the first reaction unit 1 is calcium carbonate, and the chloride produced by the reaction of hydrogen chloride and the hydrogen chloride removing agent is calcium chloride; and the second reaction unit is discharged. The chloropropanol of 2 and calcium hydroxide enter the third reaction unit 3 to react to generate propylene oxide, and the propylene oxide and carbon dioxide enter the fourth reaction unit to generate propylene carbonate.
Claims (1)
- 一种碳酸丙烯酯或碳酸乙烯酯的生产方法，所述生产方法包括4个反应单元，其特征在于：A production method of propylene carbonate or ethylene carbonate, said production method comprising 4 reaction units, characterized in that:1)原料氯气、水和氯化氢脱除剂进入第一反应单元，进行水与氯气反应生成次氯酸和氯化氢，氯化氢和氯化氢脱除剂反应生成二氧化碳和氯化物，所用氯化氢脱除剂优选碳酸钙和碳酸氢钠；1) The raw material chlorine gas, water and hydrogen chloride removing agent enter the first reaction unit, and the water and chlorine gas react to generate hypochlorous acid and hydrogen chloride. The hydrogen chloride and hydrogen chloride removing agent react to generate carbon dioxide and chloride. The hydrogen chloride removing agent used is preferably calcium carbonate. And sodium bicarbonate;2)出第一反应单元(1)的无氯化氢次氯酸与丙烯或乙烯进入第二反应单元(2)，进行次氯酸与丙烯或乙烯反应生成氯丙醇或氯乙醇；2) The hydrogen-chlorinated hypochlorous acid and propylene or ethylene from the first reaction unit (1) enter the second reaction unit (2), and the hypochlorous acid reacts with propylene or ethylene to generate chloropropanol or chloroethanol;3)出第二反应单元(2)的氯丙醇或氯乙醇与氢氧化钙或氢氧化钠进入第三反应单元(3)，反应生成环氧丙烷或环氧乙烷及含氯化钙或氯化钠的水溶液；3) The chloropropanol or chloroethanol from the second reaction unit (2) and calcium hydroxide or sodium hydroxide enter the third reaction unit (3) to react to produce propylene oxide or ethylene oxide and calcium chloride or An aqueous solution of sodium chloride;4)出第三反应单元(3)的环氧丙烷或环氧乙烷与出第一反应单元(1)的二氧化碳进入第四反应单元(4)，反应生成目的产物碳酸丙烯酯或碳酸乙烯酯。4) The propylene oxide or ethylene oxide from the third reaction unit (3) and the carbon dioxide from the first reaction unit (1) enter the fourth reaction unit (4) to react to produce the target product propylene carbonate or ethylene carbonate .
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| CN201911041759.3 | 2019-10-30 | ||
| CN201911041759.3A CN110734422A (en) | 2019-10-30 | 2019-10-30 | Production method of propylene carbonate or ethylene carbonate |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371900A (en) * | 2001-02-22 | 2002-10-02 | 中国科学院山西煤炭化学研究所 | Process for preparing propenyl carbonate or ethylene carbonate and reactor thereof |
| CN1726203A (en) * | 2002-12-19 | 2006-01-25 | 三菱化学株式会社 | Process for producing alkylene carbonate |
| US20080154051A1 (en) * | 2006-12-20 | 2008-06-26 | Jeroen Willem Bolk | Method of installing an epoxidation catalyst in a reactor, a method of preparing an epoxidation catalyst, an epoxidation catalyst, a process for the preparation of an olefin oxide or a chemical derivable from an olefin oxide, and a reactor suitable for such a process |
| CN101628908A (en) * | 2008-07-14 | 2010-01-20 | 中国科学院成都有机化学有限公司 | Method for synthesizing propylene carbonate |
| CN103896882A (en) * | 2012-12-31 | 2014-07-02 | 天津市泰源工业气体有限公司 | Method for preparing ethylene oxide by adopting chlorohydrin method |
| CN103980246A (en) * | 2014-05-21 | 2014-08-13 | 沈阳化工大学 | Production method for preparing propylene (ethylene) carbonate from carbon dioxide and propylene oxide (ethylene oxide) through tubular reaction |
| CN104045619A (en) * | 2013-03-13 | 2014-09-17 | 中国石油化工股份有限公司 | Alkene carbonate preparation method |
| CN106518611A (en) * | 2016-03-14 | 2017-03-22 | 江西苏克尔新材料有限公司 | Methods for preparing halogen ethanol and ethylene oxide |
| CN106957283A (en) * | 2017-03-07 | 2017-07-18 | 吴剑华 | A kind of mono-acid method alcoholizing propenyl chloride Synthesis of Propylene Oxide |
| CN108440453A (en) * | 2018-03-28 | 2018-08-24 | 吴剑华 | A kind of double alkali chlorohydrination epoxides production methods |
| CN110734422A (en) * | 2019-10-30 | 2020-01-31 | 吴剑华 | Production method of propylene carbonate or ethylene carbonate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012001508A (en) * | 2010-06-18 | 2012-01-05 | Sekisui Chem Co Ltd | Method for producing olefin chlorohydrin compound |
| JP2013014527A (en) * | 2011-07-01 | 2013-01-24 | Sekisui Chem Co Ltd | Production method of olefin chlorohydrin-based compound |
| CN109705062A (en) * | 2019-01-11 | 2019-05-03 | 吴剑华 | A kind of chlorohydrination epoxides production technology of no solid slag and by-product chloropropane |
-
2019
- 2019-10-30 CN CN201911041759.3A patent/CN110734422A/en not_active Withdrawn
-
2020
- 2020-10-22 WO PCT/CN2020/122696 patent/WO2021083022A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371900A (en) * | 2001-02-22 | 2002-10-02 | 中国科学院山西煤炭化学研究所 | Process for preparing propenyl carbonate or ethylene carbonate and reactor thereof |
| CN1726203A (en) * | 2002-12-19 | 2006-01-25 | 三菱化学株式会社 | Process for producing alkylene carbonate |
| US20080154051A1 (en) * | 2006-12-20 | 2008-06-26 | Jeroen Willem Bolk | Method of installing an epoxidation catalyst in a reactor, a method of preparing an epoxidation catalyst, an epoxidation catalyst, a process for the preparation of an olefin oxide or a chemical derivable from an olefin oxide, and a reactor suitable for such a process |
| CN101628908A (en) * | 2008-07-14 | 2010-01-20 | 中国科学院成都有机化学有限公司 | Method for synthesizing propylene carbonate |
| CN103896882A (en) * | 2012-12-31 | 2014-07-02 | 天津市泰源工业气体有限公司 | Method for preparing ethylene oxide by adopting chlorohydrin method |
| CN104045619A (en) * | 2013-03-13 | 2014-09-17 | 中国石油化工股份有限公司 | Alkene carbonate preparation method |
| CN103980246A (en) * | 2014-05-21 | 2014-08-13 | 沈阳化工大学 | Production method for preparing propylene (ethylene) carbonate from carbon dioxide and propylene oxide (ethylene oxide) through tubular reaction |
| CN106518611A (en) * | 2016-03-14 | 2017-03-22 | 江西苏克尔新材料有限公司 | Methods for preparing halogen ethanol and ethylene oxide |
| CN106957283A (en) * | 2017-03-07 | 2017-07-18 | 吴剑华 | A kind of mono-acid method alcoholizing propenyl chloride Synthesis of Propylene Oxide |
| CN108440453A (en) * | 2018-03-28 | 2018-08-24 | 吴剑华 | A kind of double alkali chlorohydrination epoxides production methods |
| CN110734422A (en) * | 2019-10-30 | 2020-01-31 | 吴剑华 | Production method of propylene carbonate or ethylene carbonate |
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