Zobrazeno 1 - 10
of 37
pro vyhledávání: '"E. Boldižárová"'
Publikováno v:
International Journal of Mineral Processing. 76:260-265
The intensification of the thiosulphate leaching of silver from a silver-bearing complex sulphide concentrate (Casapalca deposit) using mechanochemical alkaline leaching as the pretreatment step was investigated. The leaching of “as-received” con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e245b536c7bba5260a83fcaa1a1fb53
https://doi.org/10.1016/j.minpro.2005.01.005
https://doi.org/10.1016/j.minpro.2005.01.005
Publikováno v:
Materials Science Forum. :453-456
The composition and properties of powders prepared by high-energy milling of copper sulphides with silicon have been studied by methods of X-ray diffractometry and surface area measurement. The combination of several methods was utilized to develop a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78bd69401a466cf59fe6358799992957
https://doi.org/10.4028/www.scientific.net/msf.480-481.453
https://doi.org/10.4028/www.scientific.net/msf.480-481.453
Publikováno v:
Journal of Physics and Chemistry of Solids. 64:1413-1417
Mechanochemical transformations of copper sulphides were induced by processing in a Fritsch Pulverisette 6 planetary mill. The main changes during high-energy milling are the phase transformations of the djurleite Cu1.94S which is the main phase in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f16544cea8377cba3964c8dff64744b
https://doi.org/10.1016/s0022-3697(03)00189-6
https://doi.org/10.1016/s0022-3697(03)00189-6
Publikováno v:
Hydrometallurgy. 67:37-43
The hydrometallurgical processing of complex concentrates represents an ecologically attractive alternative with respect to classical pyrometallurgical technologies. The leaching of gold from a mechanochemically pretreated CuPbZn complex sulfide conc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39f4fa84887a2260eb275051f75f01c5
https://doi.org/10.1016/s0304-386x(02)00135-4
https://doi.org/10.1016/s0304-386x(02)00135-4
Publikováno v:
Materials Letters. 57:188-191
The physico-chemical properties and reactivity of ZnS:Mn (1% Mn) nanoparticles were investigated. ESR, XRD, specific surface area and reactivity in H 2 SO 4 were studied in order to elucidate the degree of distribution of Mn atoms. There is a strong
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04d95a4f52e60094d2c2eca33cf376b4
https://doi.org/10.1016/s0167-577x(02)00728-0
https://doi.org/10.1016/s0167-577x(02)00728-0
Publikováno v:
Hydrometallurgy. 65:83-93
The hydrometallurgical processing of complex concentrates represents an ecologically attractive alternative with respect to classical pyrometallurgical technologies. The structural and temperature sensitivity of chloride leaching of copper, lead and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a860dcc1d1dc268bc86d8a9fcb7f7e
https://doi.org/10.1016/s0304-386x(02)00094-4
https://doi.org/10.1016/s0304-386x(02)00094-4
Autor:
Marcela Achimovičová, Daniel Emil Mack, Tsukio Ohtani, E. Boldižárová, Peter Baláž, V Soika, Laszlo Takacs
Publikováno v:
Journal of Alloys and Compounds. 337:76-82
The paper deals with the properties of a new 4H-SnS2 phase (N-phase) synthesized together with berndtite 4H-SnS2 by a mechanochemical route from elemental tin and sulphur. The surface and bulk properties of SnS2 phases were verified by surface area m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ae25f92cb51a24951d427d9eebe4e95
https://doi.org/10.1016/s0925-8388(01)01910-7
https://doi.org/10.1016/s0925-8388(01)01910-7
Publikováno v:
Scopus-Elsevier
The mechanochemical processing of the copper sulphide with iron in a high-energy mill was studied. The nanosized copper of 10 nm crystallite size and the hexagonal pyrrhotite 1C were identified among products of the reaction by methods of XRD and Mos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::796b5ab4fee7d904f6e974ef4ac9c9b2
https://doi.org/10.1007/s10582-002-0014-3
https://doi.org/10.1007/s10582-002-0014-3
Publikováno v:
Hydrometallurgy. 57:85-96
This paper describes the properties and leaching behaviour of a pentlandite concentrate mechanically activated by grinding in an attritor (stirring ball mill) in H2O for 15–60 min. It appears that mechanical activation brings about an increase in s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3098f96d509e45c1a9e282fd00874296
https://doi.org/10.1016/s0304-386x(00)00102-x
https://doi.org/10.1016/s0304-386x(00)00102-x
Publikováno v:
Journal of Materials Synthesis and Processing. 8:287-293
This work presents results of the mechanochemical pretreatments of binary mixtures of hydroxides and oxides of Mg and Al powders (activated in the energy-intensive planetary ball mill for 10 h). The effect of mechanical activation on the conversion t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3916d591db1336deeb578168f3814cba
https://doi.org/10.1023/a:1011386109872
https://doi.org/10.1023/a:1011386109872