B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/2.D, 182/6.5
B01J 29/04 (2006.01) B01D 15/08 (2006.01) B01J 29/40 (2006.01) C10G 25/03 (2006.01)
Patent
CA 2003740
ABSTRACT OF THE DISCLOSURE This invention relates to an improved zeolite composition for a separation process for the adsorption-desorption of olefin mixture or n-olefin n-paraffin mixtures wherein the zeolite is particu- larly a neutral high-silica molecular sieve. Preferred hydrocarbon feeds for the present separa- tion process are C9 to C19 distillates derived via the thermal cracking of petroleum residua or mix- tures of n-olefins and branched chain olefins Such distillates, e.g. light FLEXICOKER and FLUID-COKER gas oils contain 1-n-olefins and n-paraffins as the main types of component and minor components of branched olefins and paraffins as well as aromatic hydrocarbons and sulfur compounds. Mixtures mostly consisting or 1-n-olefins and n-paraffins can be separated from such coker distillates containing relatively high concentrations of sulfur compounds via the present process. The olefin components of n-olefin and n-paraffin mixture products of the present molecular sieve separation can be utilized as reactants in polymerization, alkylation and carbonylation reac- tions, wherein the unconverted paraffin components are subsequently separated by distillation Such a three step sieving, conversion, distillation process is particularly attractive as a low cost approach for the preparation of polyolefin based synthetic lubricants.
Bellows Richard J.
Kantner Edward
Savage David W.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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