Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group va metal or arsenic
Patent
1976-03-18
1978-07-25
Vertiz, O. R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group va metal or arsenic
75101R, 75121, C01B 2700, C01B 2900
Patent
active
041029763
ABSTRACT:
In a process for treating a metal bearing material containing arsenic and antimony by leaching in an acid solution with an oxygen-containing gas under pressure at a temperature of between 20.degree. and 200.degree. C, the improvement which consists in adding at least one element chosen from the group consisting of arsenic and phosphorus in such an amount to the leach mixture that the molar ratio (As + 4P) : Sb therein shall be at least equal to 8, thus dissolving at least the major part of the arsenic and antimony contained in the starting material.
REFERENCES:
patent: 900454 (1908-10-01), Wadhams et al.
Marcus et al., Ion Exchange and Solvent Extraction of Metal Complexes, Wiley-Interscience, (1969), pp. 690-694, 706-708, 710, 957.
Chemical Abstracts, vol. 74 (1971), No. 33756g.
Kimura, "Inorganic Extraction Studies on the System Between Bis(2-ethylhexyl)-orthophosphoric Acid and HCl(I)," vol. 33, No. 8 (Jan. 1960), pp. 1038-1046.
Blake et al., "Proceeding of the Second International on the Peaceful Uses of Atomic Energy," A/Conf. 151p (1958), pp. 289-298.
Morrison et al., "Solvent Extraction in Analytical Chemistry," (1957), John Wiley & Sons, Inc., pp. 162-166.
De Schepper Achille
Hiemeleers Jozef
Van Peteghem Antoine
Langel Wayne A.
Metallurgie Hoboken-Overpelt
Philpitt Fred
Vertiz O. R.
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