Apparatus and process for the production of vinyl chloride by thermal cracking of 1,2-dichloroethane
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United States of America Patent
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Aug 3, 2010
Grant Date -
Sep 7, 2006
app pub date -
Mar 17, 2004
filing date -
Apr 11, 2003
priority date (Note) -
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Abstract
The invention relates to a process for the production of vinyl chloride by thermal cracking, in which the energy balance, the operating time of the cracking furnace and/or the yield of the reaction are distinctly enhanced in comparison with the prior art. A pressure of from 1.4 to 2.5 MPa is established in the cracking coil at a temperature of from 450 to 550° C. and, for pre-heating the EDC (=1,2-dichloroethane) introduced, inter alia the waste heat of the gas stream leaving the top of the quench column is utilized.
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