Zobrazeno 1 - 10
of 21
pro vyhledávání: '"L. A. Voropanova"'
Autor:
L. A. Voropanova, V. P. Pukhova
Publikováno v:
Записки Горного института, Vol 233, Pp 498-498 (2018)
The extractant CYANEX 272, which active component is di(2,4,4-trimethylpentyl)-phosphinic acid (C8H17)2POOH, is effective for extraction of copper (II), cobalt (II) and nickel (II) ions. The extraction of metal ions using di(2,4,4-trimethylpentyl)-ph
Externí odkaz:
https://doaj.org/article/da92d06672c743bd876a1b51e6db1e67
Publikováno v:
Записки Горного института, Vol 226, Pp 435-435 (2017)
The design of an electrolyzer for electrowinning in dynamic conditions is developed. The dependence of the results of electrowinning of cobalt and manganese from sulfate and sulfate-chloride solutions under dynamic conditions using a titanium cathode
Externí odkaz:
https://doaj.org/article/be130d07432f4a0a8d25c87541131555
Autor:
L. A. Voropanova, N. B. Kokoeva
Publikováno v:
Записки Горного института, Vol 222, Pp 823-823 (2016)
Extraction is studied by tributylphosphate (TBP) of ions of gold and silver from hydrochloric solutions during the portional and single time feed of extractant in dependence of the initial concentration of metal ions, temperature, concentration of hy
Externí odkaz:
https://doaj.org/article/d05f8790d6624760ad7e05710efce279
Autor:
L. A. Voropanova, N. B. Kokoeva
Publikováno v:
Tsvetnye Metally. :41-44
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48d0475bc152292f8868e42248801e70
https://doi.org/10.17580/tsm.2016.09.05
https://doi.org/10.17580/tsm.2016.09.05
Autor:
L. A. Voropanova, N. B. Kokoeva
Publikováno v:
Russian Journal of Applied Chemistry. 89:1372-1376
A procedure involving portionwise extractant feeding was suggested for improving the characteristics of selective extraction of metal ions from aqueous solutions. This procedure enhances the extraction of metal ions into the organic phase, reduces th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bad1ff8e26aa83a06b33b1dd2fcc06e
https://doi.org/10.1134/s1070427216080255
https://doi.org/10.1134/s1070427216080255
Publikováno v:
Russian Journal of Applied Chemistry. 83:1925-1929
Method for dehydration of zinc-containing products is suggested. The method makes lower the energy expenditure in filtration, drying, and calcination, diminishes the expenditure of reagents, and improves ecological characteristics of the process.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0a2ecb4d8458417731c14af3f447632
https://doi.org/10.1134/s1070427210110054
https://doi.org/10.1134/s1070427210110054
Autor:
L. A. Voropanova, Z. A. Gagieva
Publikováno v:
Russian Journal of Non-Ferrous Metals. 49:231-236
The effect of pH, starting concentration of the solution, and preliminary treatment of the sorbent on the results of sorption were investigated. The effect of polymerization processes on the sorption kinetics and sorption equilibrium is considered.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::726469e6d76238c180e9292a301a47c0
https://doi.org/10.3103/s1067821208040032
https://doi.org/10.3103/s1067821208040032
Autor:
L. P. Khomenko, L. A. Voropanova
Publikováno v:
Russian Journal of Applied Chemistry. 80:734-739
The effect exerted by cobalt(II) concentration in the initial solution and temperature on the kinetics of cobalt(II) electroextraction from cobalt(II) and manganese(II) sulfate solutions was studied. The kinetic parameters of the process were determi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04ef596e02428f858dd4898896db3202
https://doi.org/10.1134/s1070427207050096
https://doi.org/10.1134/s1070427207050096
Publikováno v:
Russian Journal of Applied Chemistry. 78:1876-1879
Treatment of spent oil-based cutting fluid was studied and simulated to identify the optimal treatment conditions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2e2f30986854e006016d1ff858cb9aa
https://doi.org/10.1007/s11167-005-0626-z
https://doi.org/10.1007/s11167-005-0626-z
Autor:
L. A. Voropanova
Publikováno v:
Russian Journal of Inorganic Chemistry. 58:377-379
Effect of polycondensation reactions on the mechanism of sorption of M(VI) ions, where M = Mo and W, is shown.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c5b353bdfdaa34817dcb23280b40f72
https://doi.org/10.1134/s0036023613030170
https://doi.org/10.1134/s0036023613030170