Zobrazeno 1 - 10
of 40
pro vyhledávání: '"S.R. Popov"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 6, Pp 843-851 (2005)
The utilization of nitrogypsum and bottom ash, wastes from the factory "Milan Blagojevi}" (Lu~ani-Serbia), was investigated. For this purpose, mixtures composed of calcined nitrogypsum (CaSO4 . 0.5H2O), ash (mass ratio 1:1) and water (water/solid mas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::103a9440b1a6ea0766fe1f49c5b4c61f
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 40, Iss 1, Pp 89-100 (2004)
The possibility of obtaining ? - anhydrite from nitrogypsum, which is waste from a nitrocellulose plant, was investigated. It was shown by means of qualitative IR analysis that the product obtained by heating nitrogypsum for 5 hours at 700 o C was ?
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e3c9b37a3bc82c5d17085532ec2c9f7
http://www.doiserbia.nb.rs/img/doi/1450-5339/2004/1450-53390401089M.pdf
http://www.doiserbia.nb.rs/img/doi/1450-5339/2004/1450-53390401089M.pdf
Publikováno v:
Materials Letters. 39:115-121
Influence of mechanical activation on quality of cement with addition of fly ash was investigated. The experiments of mechanical activation were performed in laboratorial vibro mill with rings. The effects of mechanical activation were determined by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fcdca18417097a561aa3c95fce3ebcb
https://doi.org/10.1016/s0167-577x(98)00226-2
https://doi.org/10.1016/s0167-577x(98)00226-2
Autor:
S.R. Popov, D.R. Vučinić
Publikováno v:
International Journal of Mineral Processing. 41:115-128
The kinetics of ethylxanthate adsorption on unmodified or modified (by lead ion species) cerussite surface in alkaline media was examined using infrared attenuated total reflection spectroscopy (ATR-IR) and zeta potential data. IR and zeta potential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a298a6a6f86f949bd356feacc5ed8eeb
https://doi.org/10.1016/0301-7516(94)90009-4
https://doi.org/10.1016/0301-7516(94)90009-4
Autor:
D.R. Vučinić, S.R. Popov
Publikováno v:
International Journal of Mineral Processing. 35:85-100
Surface characteristics of cerussite, after adsorption of ethylxanthate on cerussite previously treated with distilled water or lead-ion solution for a determined time, were studied using Hallimond tube flotation technique, electrokinetic measurement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3dfb60f9b718c44a0599230dadce3df
https://doi.org/10.1016/0301-7516(92)90006-i
https://doi.org/10.1016/0301-7516(92)90006-i
Autor:
D.R. Vučinić, S.R. Popov
Publikováno v:
International Journal of Mineral Processing. 34:307-319
The effect of lead ion on cerussite floatability and surface characteristics were examined using K-ethyl-xanthate at pH 6–7. The floatability of cerussite was tested in the modified Hallimond tube. Changes on cerussite surface were determined by in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5be4e24774f1cb41ae891505972ba2f
https://doi.org/10.1016/0301-7516(92)90055-2
https://doi.org/10.1016/0301-7516(92)90055-2
Autor:
D.R. Vučinić, S.R. Popov
Publikováno v:
International Journal of Mineral Processing. 30:229-244
Floatability and surface characteristics of sphalerite in the presence of different concentrations of copper sulphate and K-ethylxanthate, for various times of activation and collection, were studied. The resulting changes on the sphalerite surface w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d89e104b4a538a4cc59865caf7a857d0
https://doi.org/10.1016/0301-7516(90)90017-s
https://doi.org/10.1016/0301-7516(90)90017-s
Autor:
S.R. Popov, D.R. Vučinić
Publikováno v:
Colloids and Surfaces. 44:191-205
The effect of different concentrations of dissolved copper ions on floatability and potassium ethyl xanthate (KEX) adsorption on galena were examined in the pH range from 6.0 to 10.0. The flotation tests and zeta-potential measurements under various
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8af7ef2ee42bcba4e359f4b2c2402c61
https://doi.org/10.1016/0166-6622(90)80196-b
https://doi.org/10.1016/0166-6622(90)80196-b
Floatability and adsorption of ethyl xanthate on copper-activated sphalerite in weakly acidic medium
Autor:
D.R. Vučinić, S.R. Popov
Publikováno v:
Colloids and Surfaces. 47:81-94
The effect of copper(II) ion concentration and the time of activation on the ethyl xanthate adsorption and floatability of sphalerite (13% Fe) in weakly acidic medium were examined. Infrared internal reflection spectroscopy was used to determine the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b73bd4c802a63bb5ffe3b9d8d07aa472
https://doi.org/10.1016/0166-6622(90)80063-a
https://doi.org/10.1016/0166-6622(90)80063-a
Publikováno v:
Surface Technology
It is shown that the improved quality of electrodeposits obtained from ammonium complex salt solutions compared with deposits obtained from simple salt solutions is due to the decrease in the exchange current density value for the deposition process.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f425a46996a919ef56441ca237f55cb4
https://doi.org/10.1016/0376-4583(83)90004-3
https://doi.org/10.1016/0376-4583(83)90004-3