Wax separation process

Details Wax separation process Wax separation process

C - Chemistry, Metallurgy

10

G

182/122

C10G 73/02 (2006.01) B01D 39/08 (2006.01) B01D 39/14 (2006.01) C10G 31/00 (2006.01)

Patent

CA 1111781

ABSTRACT OF THE DISCLOSURE Particles of solid wax are separated from a slurry comprising said wax particlesand a hydrocarbon oil by filtering the slurry through a cloth filter medium. It has been found that using, as the filter medium, a needled-felt cloth fabricated from fibers fusible by means of an open flame and having a singed surface on which the wax is collected results in an unexpected reduction in filter cloth blinding thereby yielding up to 30% increased throughput through the filter cloth and greatly reducing the frequency of washing the filter cloth.The cloth is further characterized in that it has a permeability to air in excess of about 3 cubic feet per minute per square foot of cloth surface at a differential pressure of 0.5 inches of water, a root mean square surface roughness in excess of 500 rms microinches and a fouling factor in excess of about 75%. This improved process has been found to be particularly useful for separating wax particles from a dewaxed lube oil slurry.

297101

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