Separation of 1,3-butadiene

Details Separation of 1,3-butadiene Separation of 1,3-butadiene

B - Operations, Transporting

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B01D 15/02 (2006.01) C07C 7/12 (2006.01) C07C 11/167 (2006.01)

Patent

CA 1278263

"SEPARATION OF 1,3-BUTADIENE" ABSTRACT OF THE DISCLOSURE A process for separating 1,3-butadiene from a feed mixture comprising 1,3-butadiene and at least one other C4 hydrocarbon. The process comprises contacting the feed, in liquid phase at adsorption conditions, with an adsorbent com- prising activated or molecular sieve carbon which selectively adsorbs the 1,3-butadiene. The feed is then removed from the adsorbent and the 1,3-butadiene recovered by desorption at desorption conditions with a desorbent material comprising a hydrocarbon. The feed mixture and desorbent material have boiling points of at least 5°C difference.

499835

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