Patent ID: 7632976

Claim:
A method for producing octene/octene-1 comprising: (a) providing a feed stream comprising mixed C 4 hydrocarbons or ethylene; (b) passing the feed stream through an adsorption bed to remove any impurities from the feed stream and withdrawing an adsorption bed effluent stream; (c) heating the adsorption bed effluent stream; (d) passing the heated adsorption bed effluent stream to a fractionator; (e) withdrawing at least one side draw stream comprising n-butene from the fractionator; (f) passing the at least one fractionator side draw stream to a reactor, the reactor containing a catalyst suitable for the conversion of ethylene or C 4 hydrocarbons to octene; (g) withdrawing at least one reactor effluent stream comprising octene; and (h) feeding the at least one reactor effluent stream comprising octene to the fractionator.