Zobrazeno 1 - 10
of 30
pro vyhledávání: '"B. Davaabal"'
Publikováno v:
Mongolian Journal of Chemistry, Vol 14, Iss 0, Pp 61-65 (2014)
Coal combustion by products from ash pond of 3rdthermal power plant of Ulaanbaatar city have been collected in 2010 and 2013 years. The ash samples have been characterized by XRD, XRF and SEM-EDX methods in order to evaluate their chemical and minera
Externí odkaz:
https://doaj.org/article/26491ad3dd0b4c84ba47f31ac93759af
Publikováno v:
Mongolian Journal of Chemistry, Vol 12, Iss 0, Pp 16-19 (2014)
Fly ash from 4th thermal power station of Ulaanbaatar city have been characterised by x-ray fluorescence (XRF), x-ray diffractometry (XRD), particle size analyzer, specific surface area measurement (BET) and scanning electron microscope (SEM) observa
Externí odkaz:
https://doaj.org/article/3637b1153e0c43e980406dd940b2d741
Publikováno v:
Mongolian Journal of Chemistry, Vol 12, Iss 0, Pp 98-101 (2014)
Characterisation of mechanochemically activated Tsagaan-tsav zeolite has been performed. Tsagaan-tsav zeolite has been activated with a vibration mill for 2, 3, 5, 10 and 20 minutes. Ball to powder ratios were varied 1:10, 1:20, 1:50 and 1:100. Effic
Externí odkaz:
https://doaj.org/article/5bea055ac59a4b61b7e11ecc95191872
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://explore.openaire.eu/search/publication?articleId=doi_dedup___::23b20c309bff888f9b5ececbd103ad99
https://doi.org/10.5564/mjc.v18i44.931
https://doi.org/10.5564/mjc.v18i44.931
Publikováno v:
Solid State Phenomena. 271:1-8
Raw coal fly ash and acid pretreated fly ash were used to synthesize A-type zeolite by hydrothermal treatment. In order to synthesize zeolite A an aqueous gel having a molar batch composition of Na2O:Al2O3:1.926SiO2:128H2O was utilized. Fly ash and z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::199ac4b9610d08b9ed164acc0616034f
https://doi.org/10.4028/www.scientific.net/ssp.271.1
https://doi.org/10.4028/www.scientific.net/ssp.271.1
Autor:
B. Davaabal, Jadambaa Temuujin, Sung-Kwan Seo, Claus Ruescher, Dae-Sung Kim, Yong-Sik Chu, Yoo Kim
Publikováno v:
Reviews on Advanced Materials Science, Vol 58, Iss 1, Pp 179-188 (2019)
Reviews on Advanced Materials Science 58 (2019), Nr. 1
Reviews on Advanced Materials Science 58 (2019), Nr. 1
The effect of two different milling devices, namely attrition mill versus vibration mill, on the reactivity of fly ash was studied. High calcium fly ash from 4th Thermal power station of Ulaanbaatar (Mongolia) was used for the experiments. The raw an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd71ddc3563774258dc6fd2641f4fc64
Autor:
B. Davaabal, Burenkhangai Darkhijav, Jadambaa Temuujin, A. Minjigmaa, Claus Ruescher, Bat Erdene Battsetseg
Publikováno v:
Advanced Materials Research. 1139:25-29
Efflorescences formed on the surface of air (ambient) and elevated (70°C) temperatures cured high calcium fly ash based geopolymer type concretes have been characterized by the XRD, SEM-EDX and FTIR techniques. The mineralogical composition of the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2110e60378b94b8143ffd7d53250f8d0
https://doi.org/10.4028/www.scientific.net/amr.1139.25
https://doi.org/10.4028/www.scientific.net/amr.1139.25
Publikováno v:
Geosystem Engineering. 19:119-124
Phosphorus is one of the most important nutrients for plant growth. The main compounds containing phosphorus are natural phosphate minerals such as apatite. However, the solubility of apatite is low in the humic acid in soil. Therefore, phosphorus is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7a86c419342882f5eb32defb244f521
https://doi.org/10.1080/12269328.2015.1137501
https://doi.org/10.1080/12269328.2015.1137501
Autor:
B. Davaabal, A. Ankhtuya, Ts. Jadambaa, A. Minjigmaa, Kenneth J.D. MacKenzie, U. Bayarzul, Jadambaa Temuujin
Publikováno v:
Ceramics International. 40:16475-16483
Fly ash from the 4th thermal power station of Ulaanbaatar city has two drawbacks to its use as a raw material for producing geopolymers suitable for construction applications; these are its high radium equivalent radioactivity resulting from the radi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::945fde7b2cb8d8cbdda565ad44c652a2
https://doi.org/10.1016/j.ceramint.2014.07.157
https://doi.org/10.1016/j.ceramint.2014.07.157
Publikováno v:
Mongolian Journal of Chemistry, Vol 14, Iss 0, Pp 61-65 (2014)
Coal combustion by products from ash pond of 3rdthermal power plant of Ulaanbaatar city have been collected in 2010 and 2013 years. The ash samples have been characterized by XRD, XRF and SEM-EDX methods in order to evaluate their chemical and minera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57fbc76385610bc5c8486b076b504a47
https://doi.org/10.5564/mjc.v14i0.201
https://doi.org/10.5564/mjc.v14i0.201