B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 11/04 (2006.01) C01B 9/02 (2006.01) C01G 49/00 (2006.01) C01G 49/10 (2006.01)
Patent
CA 2318823
A method of purifying ferric chloride solutions with impurities having the following steps: first, the ferric chloride solution (10) containing impurities is treated with an organic solvent (24) selected from an alcohol having from about 4 to about 20 carbon atoms to selectively dissolve the ferric chloride. The resulting organic solvent (26) is then stripped from the selectively dissolved ferric chloride (30).
La présente invention concerne un procédé de purification de solutions à base de chlorure ferrique contenant des impuretés, qui consiste à traiter tout d'abord la solution de chlorure ferrique (10) contenant des impuretés avec un solvant organique (24), sélectionné à partir d'un alcool possédant entre environ 4 et environ 20 atomes de carbone, afin de dissoudre de manière sélective le chlorure ferrique. Le solvant organique obtenu (26) est alors séparé du chlorure ferrique sélectivement dissout (30).
Sim & Mcburney
Wadhawan Satish C.
LandOfFree
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