Zobrazeno 1 - 10
of 53
pro vyhledávání: '"U. S. Chattopadhyay"'
Autor:
U. S. Chattopadhyay, T. Gouri Charan
Publikováno v:
Coke and Chemistry. 64:12-17
India is having limited resources of coking coal, an essential input for production of iron and steel especially through blast furnace route. The coking coal sources are presently from the lower seams of Jharia coalfield, which are high in ash conten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::107282b0bcc1618d1aa6c651935d58e8
https://doi.org/10.3103/s1068364x21010026
https://doi.org/10.3103/s1068364x21010026
Publikováno v:
MAPAN. 36:129-138
Certified reference materials (CRMs) are used for evaluating analytical methods, quality assurance and traceability of analytical results to international standards. Bituminous coal is the medium grade coal with high heating capacity and low moisture
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e8c92bfa5eb5783be61182bee6fab4a
https://doi.org/10.1007/s12647-020-00403-3
https://doi.org/10.1007/s12647-020-00403-3
Publikováno v:
International Journal of Coal Preparation and Utilization. 35:206-215
In this study, response surface methodology was successfully applied to investigate the operating conditions of the froth flotation process used to recover coking coal fines obtained from a settling pond. A quadratic model was developed to evaluate t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f099b00ea06f4517fc650ca36a27c3b
https://doi.org/10.1080/19392699.2015.1011326
https://doi.org/10.1080/19392699.2015.1011326
Publikováno v:
E3S Web of Conferences, Vol 18, p 01013 (2017)
Tests were carried out on a 150 mm heavy medium cyclone test rig treating coal in the size range - 13 +0.5 mm. A total of twenty seven experiments were carried out by varying the parameters like vortex finder diameter, spigot diameter and inlet feed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00a368589597115a5f87326b9f3957ab
https://www.e3s-conferences.org/articles/e3sconf/pdf/2017/06/e3sconf_mec2017_01013.pdf
https://www.e3s-conferences.org/articles/e3sconf/pdf/2017/06/e3sconf_mec2017_01013.pdf
Publikováno v:
International Journal of Coal Preparation and Utilization. 32:69-79
Indian thermal coals are usually high-moisture, high-ash, and high-volatile sub-bituminous type coal and are difficult to wash. Beneficiation of high-ash thermal coals of India has become the prerequisite for improving the overall economics and effic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::675edcb2648c5f3f6d45123a588ea48a
https://doi.org/10.1080/19392699.2011.640296
https://doi.org/10.1080/19392699.2011.640296
Publikováno v:
International Journal of Coal Preparation and Utilization. 30:310-321
The characteristics of coal depends on different parameters like rank, moisture, mineral matter content, macerals composition, etc. The combined effect of these characteristics governs the combustion behavior of coal in the furnace. The Indian ROM co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3eab5cff47c88c20fce237ea5803d19
https://doi.org/10.1080/19392699.2010.495619
https://doi.org/10.1080/19392699.2010.495619
Publikováno v:
International Journal of Coal Preparation and Utilization. 29:130-139
Coal will continue to play an important role in overall energy scenario in India. Despite its high-ash content, the run-of-mine (ROM) Indian coals are used directly for thermal power generation. There is an urgent need to improve quality of coal by r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5607ead745335a8d0dc3d0c95f1f8fc0
https://doi.org/10.1080/19392690902936396
https://doi.org/10.1080/19392690902936396
Publikováno v:
Mining, Metallurgy & Exploration. 28:21-23
Indian coals, which are of Gondwana origin, contain high amounts of mineral matter, wherein the extraneous material was intimately mixed in the coal matrix during the formation stage, causing a high level of impurity in the run-of-mine (ROM) material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2b7ecfd481a66c0264aefcdf6dbf449
https://doi.org/10.1007/bf03402320
https://doi.org/10.1007/bf03402320
Autor:
Andavarapu, Mohana Rao1,2 (AUTHOR), Vidyadhar, A.1 (AUTHOR) ari@nmlindia.org, Prasad, Ranjit2 (AUTHOR)
Publikováno v:
International Journal of Coal Preparation & Utilization. 2023, Vol. 43 Issue 6, p1098-1118. 21p.
Autor:
Andavarapu, Mohana Rao1 (AUTHOR), Vidyadhar, A.1 (AUTHOR) ari@nmlindia.org, Prasad, Ranjit2 (AUTHOR)
Publikováno v:
International Journal of Coal Preparation & Utilization. 2022, Vol. 42 Issue 12, p3618-3636. 19p.