Zobrazeno 1 - 10
of 40
pro vyhledávání: '"S. K. Sriramoju"'
Publikováno v:
International Journal of Coal Preparation and Utilization. 42:3325-3347
Since coal washeries generate huge quantities of high-ash rejects as waste, effective utilization of coal rejects help in sustainable coal preparation. Out of different coal rejects, tailings from froth-flotation process can be a potential material f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a7cb207c89063210dfbf450728c3fb6
https://doi.org/10.1080/19392699.2021.1958795
https://doi.org/10.1080/19392699.2021.1958795
Autor:
Saptarshi Majumdar, Pratik Swarup Dash, Debaprasad Shee, D Kumar, S. K. Sriramoju, Raja Banerjee
Publikováno v:
Powder Technology. 383:356-370
Due to the availability of high ash feedstocks and drift origin, Indian coal washeries face tremendous pressure in maintaining the clean coal yield and handling huge quantities of rejects. Since flotation rejects (tailings) discharged in the form of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec1337b3f82deda5d6753388bc162ecf
https://doi.org/10.1016/j.powtec.2021.01.061
https://doi.org/10.1016/j.powtec.2021.01.061
Publikováno v:
Mineral Processing and Extractive Metallurgy Review. 43:165-181
Handling and disposal of high volume of fine coal tailings is a biggest challenge for coal washeries. Separation of clean coal by density separation and flotation shows limited yields of 23–28% and...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ffa4124c63409b2a9b9149011c31f57
https://doi.org/10.1080/08827508.2020.1833196
https://doi.org/10.1080/08827508.2020.1833196
Publikováno v:
Powder Technology. 342:67-72
Crushing and grinding process in mineral processing industry is high energy consuming but it is essential for generating required sized ore with improved liberation, which enhances the process efficiency of physical cleaning of ore. Due to the presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b18e8db33fd23ac47ccff1870a5cef6f
https://doi.org/10.1016/j.powtec.2018.09.079
https://doi.org/10.1016/j.powtec.2018.09.079
Publikováno v:
Journal of Cleaner Production. 327:129497
Indian coal washing plants face tremendous pressure in maintaining clean coal yield and handling the rejects. Conventional coal washing plants generate clean coal with 15–18% ash content and 35–50% yield by several physical beneficiation techniqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c1ff75028bbbf7cfe480983844e75b5
https://doi.org/10.1016/j.jclepro.2021.129497
https://doi.org/10.1016/j.jclepro.2021.129497
Publikováno v:
Mineral Processing and Extractive Metallurgy Review. 39:250-257
Demineralization study on flotation tailings coal with an objective to minimize the consumption of sodium hydroxide was explored. In the present work, the effect of process parameters such as pulp density (PD) of coal slurry, alkali (NaOH) concentrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fa201011864a3f1bd7ef997cb257dea
https://doi.org/10.1080/08827508.2017.1415208
https://doi.org/10.1080/08827508.2017.1415208
Publikováno v:
Journal of Environmental Chemical Engineering. 9:104784
Coke plant wastewater contains many toxic pollutants such as phenol, cyanide, and ammonia, etc., handling and disposal of which has a significant impact on the environment and human health. A novel adsorbent based on lignite extraction waste was prep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c70e371f88fe6b20d41c4a8c5f45cd2
https://doi.org/10.1016/j.jece.2020.104784
https://doi.org/10.1016/j.jece.2020.104784
Publikováno v:
International Journal of Coal Preparation and Utilization. 38:88-97
In a typical coal washery, middlings are generated as a byproduct of a dense media cyclone having a size range of -13+0.5 mm and an ash content of 40–45%. Nearly 40% of the feed material is discharged as middlings. Middlings have good carbon values
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c807e8de08727b3ac82bdc3d1c5da1a8
https://doi.org/10.1080/19392699.2016.1200034
https://doi.org/10.1080/19392699.2016.1200034
Publikováno v:
International Journal of Coal Preparation and Utilization. 37:293-302
Methods for enriching organic macerals in coal are of great importance, but, due to the yield constraint, physical-beneficiation methods are less effective. Chemical beneficiation using alkali followed by acid has been studied at the pilot stage with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0514e9adecf0c27838535f1b3e10bc7b
https://doi.org/10.1080/19392699.2016.1179637
https://doi.org/10.1080/19392699.2016.1179637
Publikováno v:
International Journal of Mineral Processing. 145:23-31
Chemical beneficiation route for improvement of coal quality was demonstrated in pilot scale to produce low ash (8–10%) clean coal with a yield more than 70% by demineralization of high ash content flotation tailings obtained in a typical Indian co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2fbdc4d2b844896e0fb48de98d00420
https://doi.org/10.1016/j.minpro.2015.11.004
https://doi.org/10.1016/j.minpro.2015.11.004