Stable ferric arsenate precipitation from acid copper...

Details Stable ferric arsenate precipitation from acid copper... Stable ferric arsenate precipitation from acid copper...

2008-01-01

2008-01-01

Kunemund, Robert (Department: 1722)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group va metal or arsenic

C075S010330, C075S744000, C117S937000

Reexamination Certificate

active

07314604

ABSTRACT:
A method of which includes the steps of introducing an acidic solution containing (V), copper, ferric iron and ferrous iron into a first tank of a series of continuously stirred tank reactors and, in the first tank, adding air to the solution; heating the solution to an elevated temperature; recycling a portion of selectively precipitated ferric arsenate compounds to the said first tank; and seeding the solution with ferric arsenate compounds.

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