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公开(公告)号：US3615256A
公开(公告)日：1971-10-26
申请号：US3615256D
申请日：1969-04-21
Applicant: BADGER CO
Inventor： MILLER GEORGE M , MISERLIS CONSTANTINE D
IPC: B01J8/00 , C07C51/573 , B01J9/20 , B01D46/04 , B01D46/24
CPC classification number: B01J8/006 , C07C51/573 , C07C63/16
Abstract: System for stripping catalyst dust from the effluent stream of a fluid catalyst bed reactor, including an enclosed separation chamber in the reactor above the fluid bed, a plurality of cooling conduits mounted outside the reactor for carrying the effluent plus entrapped catalyst dust from the reactor to the separation chamber; and, within the chamber, one or more filtering means for stripping catalyst dust from the effluent, the effluent being continuously removed from the separation zone via the filtering means and the separated catalyst dust being returned to the fluid bed.
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公开(公告)号：US3620928A
公开(公告)日：1971-11-16
申请号：US3620928D
申请日：1970-07-13
Applicant: BADGER CO
Inventor： MISERLIS CONSTANTINE D
IPC: C07C201/16 , B01D3/34 , B01D3/00 , C07C79/10
CPC classification number: C07C201/16 , C07C205/06
Abstract: A method of separating isomers of mononitrotoluene by fractional distillation without need for crystallization equipment. Two embodiments are described, one using a single distillating column that is operated in a two-pass blocked out fashion, and the other using two series-connected distillation columns.
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