Removal of metal compounds from an acid solution

Details Removal of metal compounds from an acid solution Removal of metal compounds from an acid solution

B - Operations, Transporting

01

J

B01J 39/18 (2006.01) B01J 39/04 (2006.01) C08C 2/04 (2006.01) C08F 6/02 (2006.01) C08F 6/08 (2006.01)

Patent

CA 2193778

REMOVAL OF METAL COMPOUNDS FROM AN ACID SOLUTION The present invention provides a process for removing an alkali metal compound from an acid solution also containing nickel and aluminum compounds, which comprises: i) contacting the acid solution with a first ion exchange resin functional to remove the nickel and aluminum compounds from the acid solution; and ii) contacting the acid solution so obtained with a second ion exchange resin functional to remove the alkali metal compound from the acid solution.

a présente invention fournit un procédé pour éliminer un composé métallique alcalin d'une solution acide contenant également des composés du nickel et de l'aluminium, comprenant : i) la mise en contact de la solution acide avec une première résine échangeuse d'ions capable d'éliminer les composés du nickel et de l'aluminium de la solution acide; et ii) la mise en contact de la solution acide ainsi obtenue avec une deuxième résine échangeuse d'ions capable d'éliminer le composé métallique alcalin de la solution acide.

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