Liquid purification or separation – Processes – Separating
Patent
1991-05-23
1992-09-22
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210143, 210194, 210196, 210411, 2104331, 2105101, 210791, 210794, 210805, 210806, B01D 3700
Patent
active
051494477
ABSTRACT:
A process and apparatus for the filtration of a creosote process stream laden with insoluble materials is provided. The apparatus comprises a filtration apparatus of a shell-and-tube configuration having filter material within for the separation of the xylene from the insolubles; the apparatus is comprised within a creosote filtration system which further includes a means for periodically backflushing the filtration system to reduce clogging of the filter material. The process and apparatus herein also finds use for filtration of other materials, including tars, pitches, and wastewaters.
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Haley Roger L.
Kempton C. Conrad
Mashayekhi Mansour
Payne Joe E.
Allied-Signal Inc.
Criss Roger H.
Dawson Robert A.
Kim Sun Uk
Parfomak Andrew N.
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