What is the special steam cracker technology that will enhance propylene production?
It is called metathesis technology. Metathesis is a general principle of olefin conversion, which can be used to enhance the propylene output of steam crackers. It is based on a catalytic re-grouping of double bonds between two different olefins, and involves the catalytic disproportion reaction of ethylene and butylene to make propylene. By using this technology, BASF and ATOFINA improve the propylene/ethylene production ration to 11:10, as compared to 6:10 without metathesis.
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