Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Burmaa G"'
Publikováno v:
Mongolian Journal of Chemistry, Vol 18, Iss 44, Pp 12-19 (2018)
Distribution of arsenic (As) and its compound and related toxicology are serious concerns nowadays. Gold mining activity is one of the anthropogenic sources of environmental contamination regarding As and other heavy metals. In Mongolia, the most pro
Externí odkaz:
https://doaj.org/article/7056ba6a7b794d2c91ae4cf3706e9aa5
Publikováno v:
Mongolian Journal of Chemistry, Vol 18, Iss 44, Pp 1-4 (2018)
Mixed rare earth oxides have been prepared from synchysite ore from the Lugiin gol rare earth deposit (Mongolia) which contains about 6% of cerium light rare earth elements. Ore powders were leached for up to 60 min using 80-120 g/l sulfuric acids at
Externí odkaz:
https://doaj.org/article/dafa6012510e460e9ad40652cd77ff4c
Publikováno v:
Bulletin of the Institute of Chemistry and Chemical Technology. :42-49
“Tavantolgoi” deposit coal was activated with heated steam at temperature of 850oC for 180 minutes. Activated coal modified with aminopropyltriehoxylsilane-3 (APTES) to produce an adsorbent material for removal of Cr (VI) from aqueoussolution. Th
Publikováno v:
Bulletin of Institute of Chemistry and Chemical Technology, Mongolian Academy of Sciences. :13-21
Although many new deposits of rare earth elements (REEs) are being discovered, the technical and technological knowledge on the separation of REEs from its ore by concentrating procedure and concentrate treatment are limited. In Mongolia, doing resea
Publikováno v:
Mongolian Journal of Chemistry. 2017, Vol. 18 Issue 44, p12-19. 8p.
Publikováno v:
Mongolian Journal of Chemistry. 2017, Vol. 18 Issue 44, p1-4. 4p.
Publikováno v:
Theoretical Foundations of Chemical Engineering. Aug2010, Vol. 44 Issue 4, p511-516. 6p. 6 Black and White Photographs, 3 Graphs.
Publikováno v:
In Minerals Engineering 2009 22(4):415-418
Autor:
Nasanjargal Shirendev, Munkhpurev Bat-Amgalan, Naoki Kano, Hee-Joon Kim, Burmaa Gunchin, Batdemberel Ganbat, Ganchimeg Yunden
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11344 (2022)
In this work, we removed copper (II) from an aqueous solution by using zeolite modified with a silicon-organic monomer (3-aminopropyltriethoxysilane; APTES) depending on the pH, time, temperature, and initial concentration of Cu(II) ions. To confirm
Externí odkaz:
https://doaj.org/article/c2b82d1086be4844926fd947572ee244
Publikováno v:
In Minerals Engineering 2007 20(8):807-809