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作者:Rakesh Sah , A. Vidyadhar , Avimanyu Das
来源:[J].Particulate Science and Technology(IF 0.435), 2017, Vol.35 (2), pp.239-246Taylor & Francis
摘要:ABSTRACT(#br)Advanced gravity separation of a high-ash (36%) semi-coking coal in a Floatex density separator (FDS) is investigated. The influence of the operating variables on the separation features has been identified. It is established that a higher bed pressure and a higher t...
作者:Avimanyu Das , Greer Galt ...
来源:[J].Journal of Dispersion Science and Technology(IF 0.6), 2019, Vol.40 (10), pp.1488-1498Taylor & Francis
摘要:Abstract(#br)Adsorption of salicyl hydroxamic acid (SHA) on neodymium oxide (Nd2O3) surfaces was studied at different SHA concentrations. The adsorbed surfaces were examined using X-Ray Diffraction (XRD) and Laser Raman Spectroscopy (LRS). XRD results s...
作者:Avimanyu Das , Gary Wyss
来源:[J].Waste Management(IF 2.485), 2017, Vol.70, pp.272-281Elsevier
摘要:Abstract(#br)Resource and environmental factors have become major forces in mining and metallurgy sectors driving research for sustainability purposes. The concept of zero-waste processing has been gaining ground readily. The scant availability of high quality raw materials ...
作者:Sujit Kumar Dey , Vidyadhar Ari , Avimanyu Das
来源:[J].Journal of Environmental Management(IF 3.057), 2012, Vol.107, pp.45-51Elsevier
摘要:Abstract(#br)Advanced gravity separation of ground electronic waste (e-waste) in a teeter-bed separator was investigated. It was established that the Floatex Density Seprator (FDS) is a promising device for wet processing of e-waste to recover metal values physically. It was...
作者:... Guojun Ma , Avimanyu Das , Courtney Young
来源:[J].Minerals Engineering(IF 1.207), 2017Elsevier
摘要:Abstract(#br)Slags produced from copper smelting are siliceous and often contain valuable metals such as copper and iron as well as deleterious elements such as arsenic and lead. A copper slag was obtained from the former Anaconda smelter site, USA and characterized by SEM-E...
作者:... Mamta Sharma , Ratnakar Singh , Avimanyu Das
来源:[J].International Journal of Coal Preparation and Utilization(IF 0.2), 2016, Vol.36 (1), pp.10-27Taylor & Francis
摘要:Beneficiation of coal fines of size −1.0 + 0.1 mm using an air table under controlled fluidization was investigated. Widely different feed coals with ash values ranging from 30–50% were shown to respond well to the process. Interactions among process variables towards influe...
作者:Ganesh Chalavadi , Avimanyu Das
来源:[J].Fuel(IF 3.357), 2015, Vol.154, pp.207-216Elsevier
摘要:Abstract(#br)Beneficiation of fine (−1.0 mm) coal in air table was studied both from theoretical and experimental angles. Experiments were performed according to Response Surface Method with high ash (43%) coal fines using air table. The features of separation were establish...
作者:Ganesh Chalavadi , Ranjeet Kumar Singh , Avimanyu Das
来源:[J].International Journal of Mineral Processing(IF 1.378), 2016, Vol.149, pp.9-17Elsevier
摘要:Abstract(#br)Dry beneficiation of fine coal was investigated using air fluidization in a vibrating air table. A systematic study based on a response surface method of experimentation revealed the features of separation. The ash content of the − 1.0 mm coal feed was reduced f...
作者:Jagannath Pal , Satadal Ghorai , Avimanyu Das
来源:[J].International Journal of Minerals, Metallurgy, and Materials(IF 0.483), 2015, Vol.22 (2), pp.132-140Springer
摘要:Abstract(#br)Iron ore microfines and concentrate have very limited uses in sintering processes. They are used in pelletization; however, this process is cost intensive. Furthermore, the microfines of non-coking coal and other carbon-bearing materials, e.g., blast-furnace flu...
作者:Avimanyu Das , Biswajit Sarkar ...
来源:[J].Mineral Processing and Extractive Metallurgy Review(IF 0.647), 2010, Vol.31 (4), pp.236-249Taylor & Francis
摘要:The processing of three Indian coking coal fines with feed ash values of 25.12% (S1), 22.97% (S2), and 30.38% (S3) was studied. Substantial improvement in the overall recovery of combustible could be obtained by splitting sample S1, exhibiting good washability but poor relea...

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