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Ostanova, S. V.; Drozdov, S. V.; Пашков, Г. Л.; Kholmogorov, A. G.; Patrushev, V. V.; Chumakov, V. G.; Chubarov, A. V.

doi:10.1023/a:1014886009228

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“…It was shown in previous studies [10][11][12][13][14][15] that the synthesis of lead salts is connected with the equilibrium state of lead ions in salt solutions. During this investigation of lead leaching from a lead-zinc concetrate, it has been shown that PbS oxidation in solutions of iron(III) salts proceeds at a level of 97 -98 %, but lead is precipitated from the solutions partly in the form of an insoluble residue.…”

Section: Resultsmentioning

confidence: 99%

Physico-chemical investigation of synthesis of lead salts from sulfide lead concentrate

Kholmogorov

Кононова²,

Shasina

et al. 2005

JSCS

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The leaching of lead from lead?zinc concentrates by iron(III) salt solutins in the absence, as well as in the presence of mineral acids (HCl, H2SO4 HNO3) has been investigated. It was shown that the leaching of lead by means of 0.3 M Fe(NO3)3 at (22 ? 1) ?C leads to practically complete recovery of lead during 1 h. This conclusion was confirmed by data obtained using chemical, thermographical and X-ray photographical methods. Atechnological scheme for the synthesis of lead salts and oxides without the production of metal lead has been developed as a result of the present investigation.

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