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公开(公告)号:CA991156A
公开(公告)日:1976-06-15
申请号:CA153980
申请日:1972-10-16
Applicant: UOP INC
Inventor: GREENWOOD ARTHUR R
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公开(公告)号:GT197434349A
公开(公告)日:1976-03-05
申请号:GT197434349
申请日:1974-09-12
Abstract: SE REFIERE A UN METODO DE PURIFICACION DE MINERALES QUE CON SISTE EN FORMAR UNA LECHADA DE LOS MISMOS,SOMETER ESTA LECHADA A UNA PRESION ENTRE 1.76 Y 7.03KG/CM^2 Y DESCARGAR ESTA PRESION A LA ATMOSFERA A TRAVES DE UNA TOBERA,PARTICULARMEN TE MINERAL DE FOSFATO EN FORMA CONTINUA.LOS DIBUJOS SE ENCU ENTRAN EN LA FICHA TECNICA RESPECTIVA.
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公开(公告)号:AU6951574A
公开(公告)日:1975-12-04
申请号:AU6951574
申请日:1974-05-29
Applicant: GEN ELECTRIC
Inventor: AYCOCK DAVID FREDERICK , SLIVA DANIEL EDWARD
IPC: C07C27/22 , B01J23/00 , B01J31/20 , B01J31/40 , C07B61/00 , C07C27/00 , C07C29/156 , C07C45/50 , C07C67/00 , B01J11/02 , C07C45/12
Abstract: An improved process for recycling a cobalt hydroformylation catalyst from a hydroformylation reaction which comprises feeding a hydroformylation product into a separation zone wherein two phases are formed, a solvent phase containing the cobalt hydroformylation catalyst and another phase containing the catalyst and a hydroformylation compound; separating the catalyst from the hydroformylation compound in a countercurrent extractor; concentrating the catalyst in an evaporation zone and recycling it into the hydroformylation reaction.
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