Ethane to vcm patent

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August undefined, 2024

Web291302587 - EP 1235770 A1 20020904 - PROCESS FOR VINYL CHLORIDE MANUFACTURE FROM ETHANE AND ETHYLENE - [origin: WO0138274A1] A process for producing vinyl chloride monomer from ethylene and ethane having input of significant quantities of both ethane and ethylene in input streams to the affiliated reactor where … WebWe claim: 1. The process for making vinyl chloride from ethane comprising the steps of: a. reacting a gaseous stream containing ethane, chlorine and oxygen in mol ratio of chlorine to ethane of from about 0.4:1 to 0.6:1, and oxygen to ethane in mol ratio of from about 0.1:1 to 0.4:1, under non-catalytic, autothermic conditions at a temperature within the range of …

A kinetic model for oxidative chlorination of ethane to vinyl …

WebMay 14, 2002 · This patent describes that a chlorine source is present from 0.1 mole to 10 moles per mole of ethane. In general, as the ratio of hydrogen chloride to ethane is … Webmake VCM. The process combines direct chlorination with oxychlorination of ethylene to make ethylene dichloride (EDC – also, dichloroethane). 1) C 2H 4 + Cl 2? C 2H 4Cl 2 2) … goshen therapeutic services

Vinyl Chloride from Ethane - University of Pennsylvania

WebNov 10, 2015 · The present invention relates to a method of producing ethylene, hydrogen chloride (HCl), and vinyl chloride (VCM) by chlorinating ethane, using chlorine (Cl 2) as … WebPCT Patent Publication WO 98/05620 describes the production of acetic acid and/or vinyl acetate from ethylene (or ethane) using a first catalyst active for the oxidation of … Webstocks, specifically, acetylene, ethylene, or ethane. Commercial operations using these compounds are confined to gas-phase processes. “Manufacture from acetylene is a relatively simple singlestage process, but - the cost of acetylene is high”. Ethane is by far the least expensive C2 hydrocarbon, but it cannot be converted to chief architect software industry

US6933417B1 - Process for vinyl chloride manufacture from ethane …

Production of vinyl chloride from ethane - Allied Chemical …

Web4. The molar ratio of chlorine to ethane is from 0.2 to 1.2:1, and the molar ratio of oxygen to ethane is from 0.005 to 0.5:1. The hot gaseous mixture is introduced into reaction chamber 6 of gas-gas reactor 5. Ethane gas in line 7 is preheated in heat exchanger 8, and enters reactor chamber 6 simultaneously with the stream of chlorine and oxygen. WebDe Chen. Ethylene oxychlorination is the key technology in vinyl chloride (VCM, the monomer of PVC, polyvinyl chloride) production to close the chlorine loop by consuming the HCl released from the ... goshen therapyWebEthylene oxychlorination is the key technology in vinyl chloride (VCM, the monomer of PVC, polyvinyl chloride) production to close the chlorine loop by consuming the HCl released from the former cracking step. Due to the high demand for PVC, this leads to ethylene oxychlorination being one of the most important processes in the industry. This Review … chief architect spiral staircase

"Web[0001] The present invention relates to a process for the production of vinyl chloride monomer (VCM) from ethane via oxychlorination of ethane. More particularly, the … " - Ethane to vcm patent

Ethane to vcm patent

VCM from Ethane Becomes Profitable - Cheresources.com …

WebNov 2, 2024 · The use of ethane as a platform molecule for the manufacture of polyvinyl chloride (PVC) is a longstanding challenge, which would allow to reduce the raw material costs and CO 2 emissions to produce this plastic. Herein, we discover that rare earth oxychlorides catalyze in a selective (up to 90 %) and stable (>50 h on stream) manner … WebVinyl Chloride Production - The University of Oklahoma

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WebVCM production. A prime candidate for an alternative hydrocarbon from which VCM may be produced is ethane. Not only is ethane cheaper than ethylene, but the chemistry of its conversion to VCM has distinct advantages. For example, the favoured oxychlorination reaction is a single step process in which ethane can be directly converted to VCM: WebThe present invention relates to a method of producing hydrogen chloride, ethylene, and vinyl chloride (VCM) by chlorinating ethane, using chlorine (Cl 2) as the chlorinating agent.The invention further relates to the partial recycling of hydrogen chloride and ethylene.

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WebAug 15, 1995 · The present invention relates to a process for the production of vinyl chloride monomer (VCM) from ethane via oxychlorination of ethane. More particularly, the invention relates to a method for controlling the selectivity of the oxychlorination of ethane. ... Preferred conditions are set out in our copending United Kingdom Patent Application No ... WebVCM from Ethane Becomes Profitable. Vinyl chloride monomer (VCM) is the building block for the popular polyvinyl chloride polymer (PVC). The first industrial process used to …

WebVinyl chloride is an organochloride with the formula H 2 C = CHCl. It is also called vinyl chloride monomer ( VCM) or chloroethene. This colorless compound is an important industrial chemical chiefly used to produce the polymer, poly (vinyl chloride) (PVC). Vinyl chloride monomer is among the top twenty largest petrochemicals ( petroleum ...

Web99(1) European Patent Convention). Printed by Jouve, 75001 PARIS (FR) Europäisches Patentamt European Patent Office Office européen des brevets (19) EP1 235 773B1 *EP001235773B1* (11) EP1 235 773B1 (12) EUROPEAN PATENT SPECIFICATION (45) Date of publication and mention of the grant of the patent: 25.05.2005 Bulletin2005/21 … chief architect stairs between floorsWebA process is provided for the chlorination of ethane using chlorine as the chlorinating agent to produce ethylene, hydrogen chloride (HC1) and vinyl chloride monomer (VCM). … goshen theatre projectWebOct 31, 2024 · This case is a 35 USC 371 National stage filing of PCT/G894/01944, published as WO95/07251 on Mar. 16, 1995. The present invention relates to a process for the production of vinyl chloride monomer (VCM) from ethane via oxychlorination of ethane. chief architect steel framingWebNov 12, 2003 · [0015] U.S. Pat. No. 5,097,083 entitled “PROCESS FOR THE CHLORINATION OF ETHANE” which issued on Mar. 17, 1992 to John E. Stauffer describes chlorocarbons as a chlorine source in an ethane-to-VCM process. This patent describes methods where chlorohydrocarbons may be used to capture HCl for subsequent use in … chief architect steel buildingWebApr 27, 1995 · The purpose of this invention is to describe a new process for the manufacture of choroethene (C.sub.2 H.sub.3 Cl). This new process involves the use or ethylene (C.sub.2 H.sub.4) as a feedstock. Highly chlorinated ethenes or methanes are used as chlorinating agents. The corresponding less chlorinated ethenes or methanes are … goshen tile flooringWebOct 6, 2000 · A method of manufacturing vinyl chloride, comprising the steps of:(a) generating a reactor effluent stream by catalytically reacting together ethane, ethylene, oxygen, and at least one chlorine source of hydrogen chloride, chlorine, or a chlorohydrocarbon, wherein the molar ratio of said ethane to said ethylene is between … goshen things to doWebMay 14, 2002 · U.S. Pat. No. 5,097,083 entitled “PROCESS FOR THE CHLORINATION OF ETHANE” which issued on Mar. 17, 1992 to John E. Stauffer describes chlorocarbons as a chlorine source in an ethane-to-VCM process. This patent describes methods where chlorohydrocarbons may be used to capture HCl for subsequent use in the production of … chief architect student version