Process for the preparation of ethylene

R.A. Santen, van (Inventor), P.A.J.M. Hendriks (Inventor), Gerard P. Zwet, van der (Inventor), Shell International Research (NL) (Inventor)

    Research output: PatentPatent publication

    21 Downloads (Pure)

    Abstract

    Process for the preparation of ethylene by pyrolysis of low molecular weight hydrocarbons, by contacting a flow of gas, consisting of low molecular weight hydrocarbons with an inert particulate carrier material having a surface area of > 0.01 and /g, at a temperature in the range of from 1000 to 1400 DEG C and at a GHSV of from 100 to 6000 hr, during a period in the range of from 1 minute to 60 minutes, followed by recovering ethylene gas produced in said reaction from the product stream, and calcination of said inert particulate carrier material in a flow of an oxidizing gas to remove the carbonaceous deposits on the carrier material surface, at a temperature in the range of from 600 DEG C to 1000 DEG C and a GHSV of from 100 to 6000 hr, for at least one minute.
    Original languageEnglish
    Patent numberGB2213828
    Publication statusPublished - 1989

    Bibliographical note

    Patent GB2213828 1989-08-23 ; GB8729554D 1988-02-03

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