Zobrazeno 1 - 10
of 44
pro vyhledávání: '"R.K. Dwari"'
Autor:
R.K. Dwari, S.K. Mohanta
Publikováno v:
Advanced Powder Technology. 31:3361-3371
The present study illustrates the effect of physical (thermal) and chemical surface treatment on the separation of the coal-quartz synthetic mixture in a tribo-electrostatic separator. The work also reports the effect of applied voltage and splitter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7be34ddc087264ff338b0323e417ad5f
https://doi.org/10.1016/j.apt.2020.06.027
https://doi.org/10.1016/j.apt.2020.06.027
Autor:
Rahul K. Soni, R.K. Dwari
Publikováno v:
Advanced Powder Technology. 31:1624-1632
Triboelectric separation has gained importance as a dry separator for mineral and coal beneficiation. The different grade components of coal powder can be classified, beneficiated, and segregated with the help of the triboelectric separator. A batch-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7a5f955ad224b9666007ae91e2e1466
https://doi.org/10.1016/j.apt.2020.02.005
https://doi.org/10.1016/j.apt.2020.02.005
Autor:
Barada Kanta Mishra, R.K. Dwari
Publikováno v:
International Journal of Mining Science and Technology. 29:745-755
This paper reports the systematic investigation on the flocculation, sedimentation and consolidation characteristics of kaolinite using guar gum as a green flocculant. In-situ flocculation behavior of kaolinite at various pH, guar gum dosages, and io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84e350924e4515a21e3f834834012b66
https://doi.org/10.1016/j.ijmst.2019.06.001
https://doi.org/10.1016/j.ijmst.2019.06.001
Publikováno v:
Powder Technology. 338:233-242
The present study deals with the surface functionalization of coal and quartz using aniline with an intention to achieve a higher differential charge facilitating their separation in an electric field. The Fourier Transform Infrared (FT-IR) spectrosc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4aa271c2108fc4265d9f2c1a7e0b0729
https://doi.org/10.1016/j.powtec.2018.07.029
https://doi.org/10.1016/j.powtec.2018.07.029
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 537:467-477
At the moment, it is vital for mineral industries to abide environmental regulation to dispose of the wastes generated in the beneficiation process. The redesign of dewatering process is required to meet the present demand. This paper reports the res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29109a20e39007278462e42d54cee747
https://doi.org/10.1016/j.colsurfa.2017.10.069
https://doi.org/10.1016/j.colsurfa.2017.10.069
Akademický článek
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Publikováno v:
Advanced Powder Technology. 27:1219-1224
Non-coking coal is used for metallurgical and cement industries apart from generating energy. Indian non-coking coals are high in ash content because of drift origin. These high ash coals require beneficiation before being used. Jigging is one of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d79bd954a1d70e8cbaa30629766181a2
https://doi.org/10.1016/j.apt.2016.04.006
https://doi.org/10.1016/j.apt.2016.04.006
Publikováno v:
Powder Technology. 294:292-300
The present study illustrates the influence of relative humidity (RH) and applied voltage on the tribo-electrostatic separation of ash from Indian coking coal washery rejects. A prototype system was designed, fabricated, and installed to carry out th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c705db1f2ccd5a3225d96fdf54a218e
https://doi.org/10.1016/j.powtec.2016.02.050
https://doi.org/10.1016/j.powtec.2016.02.050
Publikováno v:
Advanced Powder Technology. 26:31-41
Investigations were carried out to understand the design aspects of tribo-electrostatic separator to separate ash from high ash Indian coking coal. Initial studies were aimed to evaluate the different physical, chemical and electrical properties of q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d02bffe76b9bee789fb886da2b5f6e3
https://doi.org/10.1016/j.apt.2014.08.001
https://doi.org/10.1016/j.apt.2014.08.001
Publikováno v:
Journal of The Institution of Engineers (India): Series D. 95:115-123
Investigations were carried out, to establish its amenability for physical beneficiation on a low grade siliceous iron ore sample by magnetic separation. Mineralogical studies, with the help of microscope as well as XRD, SEM–EDS revealed that the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fad7a582a194811bc96cf032956eb2fe
https://doi.org/10.1007/s40033-014-0045-5
https://doi.org/10.1007/s40033-014-0045-5