Liquid purification or separation – Processes – Separating
Patent
1995-05-30
1997-11-25
Caldarola, Glenn
Liquid purification or separation
Processes
Separating
210636, 210505, 210767, 502 21, 502 22, 502523, B01D 2446, B01J 2034
Patent
active
056908369
ABSTRACT:
A method of removing a catalyst, particularly Raney nickel, from a catalytic reaction product, particularly a hydrogenation reaction product, by passing the catalytic reaction product containing the solid catalyst through a hollow tubular filter medium which comprises a nonwoven web of fibers, has a tapered pore distribution such that the pore size of the filter medium decreases in the direction of normal fluid flow, and is backwashable.
REFERENCES:
patent: 2654440 (1953-10-01), Robinson
patent: 2935499 (1960-05-01), Albright et al.
patent: 3414129 (1968-12-01), Going et al.
patent: 3477582 (1969-11-01), Baldwin
patent: 3648844 (1972-03-01), Krynski et al.
patent: 4226742 (1980-10-01), Bearden, Jr. et al.
patent: 4232087 (1980-11-01), Trask
patent: 4240908 (1980-12-01), Swain et al.
patent: 4362630 (1982-12-01), Young
patent: 4414401 (1983-11-01), Wihtermyer et al.
patent: 4525207 (1985-06-01), Inouka
patent: 4594202 (1986-06-01), Pall et al.
patent: 4647369 (1987-03-01), Kam et al.
patent: 4726901 (1988-02-01), Pall et al.
patent: 4822692 (1989-04-01), Koehler
patent: 4892658 (1990-01-01), Martin et al.
patent: 5017241 (1991-05-01), Ryan
patent: 5074989 (1991-12-01), Sigaud et al.
patent: 5110954 (1992-05-01), Bellis
patent: 5114596 (1992-05-01), Laterra
patent: 5160444 (1992-11-01), McFarland
patent: 5174907 (1992-12-01), Chown et al.
patent: 5271850 (1993-12-01), Stutzman
patent: 5290446 (1994-03-01), Degen et al.
"Pall Backwash Filter Systems for Solid/Liquid Separation" (Pall Corporation, 1993).
"Prosep.TM. Filters Automated Filtration Systems Technology" (Pall Corporation, 1993).
"FUNDA.RTM. The Filter" (Chemap, Inc., date unknown).
Search Report (France), dated Apr. 29, 1994.
Data Base WPIL in Questel, London, Derwent Publications Ltd., A N 93-136921, JP 05-068869 (Asahi Chem), Mar. 23, 1993.
Gallagher James R.
Raskin Matthew
Bullock In Suk
Caldarola Glenn
Pall Corporation
LandOfFree
Method of removing catalyst does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of removing catalyst, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of removing catalyst will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2103784