Ethane to vcm patent

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August undefined, 2024

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. WebOct 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.

US Patent Application for PROCESS FOR THE PRODUCTION OF …

WebApr 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 … WebA dual system comprising two catalytic reactors connected in series was developed for the direct conversion of ethene to vinyl chloride monomer (VCM). The first reactor uses ZrO2 … intents carnaval

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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 … 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 … 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: john dewhirst

Cleaner Production of Vinyl Chloride Monomer (VCM) - IJSER

Vinyl Chloride from Ethane - University of Pennsylvania

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 … WebA dual system comprising two catalytic reactors connected in series was developed for the direct conversion of ethene to vinyl chloride monomer (VCM). The first reactor uses ZrO2-supported ceria (CeO2/ZrO2) to perform ethene oxychlorination to 1,2-dichloroethene (EDC) that is dehydrochlorinated to VCM in the Catalysis Science &; Technology 10th … john dewey the ethics of democracyWebUSOO6933417 B1 (12) United States Patent (10) Patent No.: US 6,933,417 B1 Henley et al. (45) Date of Patent: Aug. 23, 2005 ETHYLENE WITH PARTIAL CHL is a they et alongs john dewey theory on education

"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 … " - Ethane to vcm patent

Ethane to vcm patent

US Patent for Process for the production of vinyl chloride Patent ...

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 … WebVinyl Chloride Production - The University of Oklahoma

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WebOct 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 … WebMay 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 …

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 … 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 ...

WebNov 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 … 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 …

WebA 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). …

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 … intents calculator discord.jsWebTransene Company, Inc. Danvers Industrial Park 10 Electronics Avenue Danvers, MA 01923 john dewitsky attorneyWebEthylene 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 … john dewitt psychiatry spartanburg scWeb4. 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. john dewey\\u0027s experiential learning theoryWeb[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 … intents affidavits searchWebEthane conversion was first-order in ethane, 0.5 order in Cl/sub 2/, and zero-order in both HCl and O/sub 2/. The kinetics of EC conversion followed a similar law at Vertical Bar3: 0.002 atm Cl/sub 2/, but at low Cl/sub 2/ pressures (which are possible in a flow reactor) the reaction order decreased to zero, i.e., EC converted via a ... john dewey\u0027s continuity and interaction rrlWebAug 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 ... john dewhurst tax