ES2109579T3 - Proceso para la produccion continua de carbonato de dimetilo. - Google Patents

Proceso para la produccion continua de carbonato de dimetilo.

Info

Publication number
ES2109579T3
ES2109579T3 ES94118455T ES94118455T ES2109579T3 ES 2109579 T3 ES2109579 T3 ES 2109579T3 ES 94118455 T ES94118455 T ES 94118455T ES 94118455 T ES94118455 T ES 94118455T ES 2109579 T3 ES2109579 T3 ES 2109579T3
Authority
ES
Spain
Prior art keywords
methyl
gas
dimethyl carbonate
nitrogen monoxide
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES94118455T
Other languages
English (en)
Inventor
Keigo Nishihira
Shinichi Yoshida
Shuji Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Application granted granted Critical
Publication of ES2109579T3 publication Critical patent/ES2109579T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00Preparation of esters of carbonic or haloformic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

UN PROCESO PARA PRODUCIR DIMETIL CARBONATO SE LLEVA A CABO MEDIANTE UN PRIMER PASO DE HACER REACCIONAR CATALITICAMENTE MONOXIDO DE CARBONO CON METIL NITRITO PARA PRODUCIR DIMETIL CARBONATO; UN SEGUNDO PASO DE ABSORBER DIMETIL CARBONATO CONTENIDO EN UNA FRACCION GASEOSA EXTRAIDA DEL PRIMER PASO POR MEDIO DE OXALATO DIMETIL; UN TERCER PASO DE REGENERAR METIL NITRITO PONIENDO EN CONTACTO MONOXIDO DE NITROGENO CONTENIDO EN UNA FRACCION GASEOSA EXTRAIDA DEL SEGUNDO PASO CON UN GAS MOLECULAR QUE CONTENGA OXIGENO Y ALCOHOL METILO; UN CUARTO PASO DE RECOGER DIMETIL CARBONATO DESTILANDO UNA FRACCION LIQUIDA EXTRAIDA DEL SEGUNDO PASO; Y UN QUINTO PASO DE RECUPERAR METIL NITRITO A PARTIR DE UN GAS DE PURGADO QUE CONSISTE EN UNA PORCION DE GAS REGENERADO EXTRAIDO DEL TERCER PASO ABSORBIENDO METIL NITRITO DEL GAS DE PURGADO POR ALCOHOL METILO PARA PROPORCIONAR UNA FRACCION LIQUIDA QUE CONTENGA METIL NITRITO Y UNA FRACCION GASEOSA QUE CONTENGA MONOXIDO DE NITROGENO Y PONER LA FRACCION GASEOSA EN CONTACTOCON UN OXIGENO MOLECULAR Y ALCOHOL METILO PARA CONVERTIR EL MONOXIDO DE NITROGENO DE LA FRACCION GASEOSA EN METIL NITRITO Y PARA ABSORBER ESTE METIL NITRITO POR METIL ALCOHOL, A LA VEZ QUE SE RECUPERAN METIL NITRITO Y MONOXIDO DE NITROGENO DEL GAS DE PURGADO Y SE REUTILIZAN CON ALTA EFICIENCIA EN UN ALTO NIVEL DE SEGURIDAD.
ES94118455T 1993-11-26 1994-11-24 Proceso para la produccion continua de carbonato de dimetilo. Expired - Lifetime ES2109579T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5296277A JP2937292B2 (ja) 1993-11-26 1993-11-26 炭酸ジメチルの連続製造方法

Publications (1)

Publication Number Publication Date
ES2109579T3 true ES2109579T3 (es) 1998-01-16

Family

ID=17831491

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94118455T Expired - Lifetime ES2109579T3 (es) 1993-11-26 1994-11-24 Proceso para la produccion continua de carbonato de dimetilo.

Country Status (5)

Country Link
US (1) US5514829A (es)
EP (1) EP0655432B1 (es)
JP (1) JP2937292B2 (es)
DE (1) DE69406395T2 (es)
ES (1) ES2109579T3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280519B1 (en) * 1998-05-05 2001-08-28 Exxon Chemical Patents Inc. Environmentally preferred fluids and fluid blends
US6818049B1 (en) 1998-05-05 2004-11-16 Exxonmobil Chemical Patents Inc. Environmentally preferred fluids and fluid blends
US6314956B1 (en) 1999-09-08 2001-11-13 Duke University Pulmonary delivery of NO group-containing compound in gas form to treat respiratory, cardiac and blood disorders
CN102218291B (zh) * 2010-04-15 2014-03-26 中国石油化工股份有限公司 化学反应的方法
CN105688608B (zh) * 2016-02-19 2018-04-10 宁波金远东石化工程技术有限公司 净化酯化部出口气体中酸性气体和水分的方法及其装置
CN111606805B (zh) * 2020-05-09 2023-09-29 湖北三宁化工股份有限公司 煤制乙二醇装置联产碳酸二甲酯的生产工艺及装置
CN114433008B (zh) * 2022-01-17 2024-01-23 常州大学 一种用于吸附分离甲醇/碳酸二甲酯的凹凸棒土复合材料的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879401A (en) * 1987-09-29 1989-11-07 Union Carbide Chemicals And Plastics Company Inc. Process for removal of impurities in alkyl nitrite formation
US5162563A (en) * 1989-10-24 1992-11-10 Ube Industries, Ltd. Process for preparing a diester of carboxylic acid
CA2073830C (en) * 1991-07-19 2003-10-07 Keigo Nishihira Continuous process for preparing dimethyl carbonate

Also Published As

Publication number Publication date
EP0655432B1 (en) 1997-10-22
JPH07145108A (ja) 1995-06-06
DE69406395T2 (de) 1998-04-23
JP2937292B2 (ja) 1999-08-23
EP0655432A1 (en) 1995-05-31
DE69406395D1 (de) 1997-11-27
US5514829A (en) 1996-05-07

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