B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 39/04 (2006.01) B01J 47/00 (2006.01) B01J 49/00 (2006.01) B09B 3/00 (2006.01) B09C 1/00 (2006.01) B09C 1/02 (2006.01) C01F 7/06 (2006.01) C01F 7/46 (2006.01) C22B 26/10 (2006.01)
Patent
CA 2132638
2132638 9402417 PCTABS00030 Removal of sodium values from sodium contaminated solids, such as red mud, is achieved by contact of a slurry of such solids with a particulate cation exchanger and occurs at an enhanced rate compared with water washing or washing with an acidic solution. Regeneration of sodium loaded resin occurs more efficiently with a mixed solution of sodium sulphate and an acid, such as sulphuric acid, than with a sulphuric acid solution.
Davy Mckee (stockton) Limited
Ridout & Maybee Llp
LandOfFree
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