Acetylene To Vinyl Chloride

We at probe economics wanted to know how much the playing field had changed and how competitive chinese polyvinyl chloride pvc production is considering the high capital and environmental costs of the carbide based also known as acetylene pvc process used predominantly in china.

Acetylene to vinyl chloride.

A acetylene is adsorbed on the catalyst on one type of site b hydrogen chloride and vinyl chloride are adsorbed on a different kind of site c the formation of vinyl chloride occurs by reaction of adsorbed acetylene and adsorbed hydrogen. A rate equation which well represented the data was developed from the following postulates. Vinyl chloride monomer vcm is the largest chemical use for acetylene representing nearly 85 3 of the total acetylene chemical consumption followed by vinyl monomer vam and 1 4 butanediol. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed expired lifetime application number us538088a inventor weiler joseph farrell.

When vinyl chloride producers shifted to using the thermal cracking of edc described above some used byproduct hcl in conjunction with a colocated acetylene based unit. With hcl the product is vinyl chloride ch 2 chcl and when hcn adds to acetylene the product is acrylonitrile ch 2 chcn. 2 1 vinyl chloride from acetylene the process that produces vinyl chloride from acetylene employs the use of a catalyst. This report provides an excellent insight into the global market for acetylene.

In this process acetylene is dimerized to give vinyl acetylene which is then combined with hydrogen chloride to give 4 chloro 1 2 butadiene via 1 4 addition. Select up to 4 products. Search results for vinyl acetylene at sigma aldrich. Vinyl chloride acetylene catalyst chloride pyrolysis prior art date 1944 05 30 legal status the legal status is an assumption and is not a legal conclusion.

Most of the time the catalyst used is mercuric chloride deposited on active carbon. Vinyl chloride h2c chcl or c2h3cl n or c2h3cl cid 6338 structure chemical names physical and chemical properties classification patents literature biological activities safety hazards toxicity information supplier lists and more. The hazards of storing and shipping acetylene meant that the vinyl chloride facility needed to be located very close to the acetylene generating facility. In this process the feed gases are purified dried and mixed at the entrance to the tubular fixed.