B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/14
B01D 63/02 (2006.01) B01D 63/06 (2006.01) B01D 63/08 (2006.01)
Patent
CA 1320141
ABSTRACT OF THE DISCLOSURE Described is a membrane apparatus having particular application in hydrocarbon processes, such as separating ketone dewaxing solvent from a hydrocar- bon process stream. The apparatus contains a pressure resistant compartment containing flattened tubular mem- branes in a parallel stack arrangement separated by retentate spacers. Internally each tube contains per- meate spacers for solvent outflow which permeate spacers extend the full length of the tubular membrane. The end of the tubes are not separated by retentate spacers and are clamped together such that solvent exits via the permeate spacers, while the clamping assembly design prevents the cocurrent exit of solution from the high pressure compartment at the solvent inlet location.
568857
Hafez Mahmoud M.
Thompson John A.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
Hafez Mahmoud M.
Imperial Oil Limited
Thompson John A.
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