Modelling solution equilibria for uranium ore processing: The PbSO 4 -H 2 SO 4 -H 2 O and PbSO 4 -Na 2 SO 4 -H 2 O systems

Details Modelling solution equilibria for uranium ore processing: The PbSO 4 -H 2 SO 4 -H 2 O and PbSO 4 -Na 2 SO 4 -H 2 O systems Modelling solution equilibria for uranium ore processing: The PbSO 4 -H 2 SO 4 -H 2 O and PbSO 4 -Na 2 SO 4 -H 2 O systems

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992gecoa..56.1165p&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 56, Issue 3, pp.1165-1173

Physics

2

Scientific paper

Solution equilibria in the PbSO 4 -H 2 SO 4 -H 2 O and PbSO 4 -Na 2 SO 4 -H 2 O systems have been modelled using the Pitzer formalism for the determination of activity coefficients over the temperature range from 0-60°C, and up to 6 m in H 2 SO 4 . The available literature, common ion solubility data, and our own experimental data at 60°C have been analysed to determine the various ion interaction parameters needed to provide a description of the solution equilibria. The resulting array of Pitzer parameters yield an accurate description of the solubility equilibria over the temperature range 0-60°C, and concentration conditions up to 6 m in H 2 SO 4 .

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