Results 81 to 90 of about 3,122 (246)
Biodesulphurisation of coal [PDF]
, 2001 The emission of sulphur oxides during the combustion of coal is one of the causes of an environmental problem known as acid rain. Biodesulphurisation technology applied as a method to remove sulphur before coal combustion was investigated in
Prayuenyong, Pakamas, Prayuenyong, P.
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Re-flotation of black coal slurries from settling pit of Frantiek Mine, OKD, Inc. [PDF]
Acta Montanistica Slovaca, 1998 The possibility of re-flotation of black-coal slurries from slurry ponds of Mine Frantiek, OKD, a.s was tested and is presented in the paper. Two types of collectors, namely Montanol and Flotacol NX, and bioflocculants such as been yeast were used and ...
Feèko Peter, Drobík Martin
doaj
steel research international, EarlyView.Hydrochar‐mill‐scale briquettes with varying C/O molar ratios (0.07–0.90) have been tested at 1650 °C to evaluate their slag foaming performance for electric arc furnace application. All seven briquette recipes developed succeed in promoting slag foaming.
Yu‐Chiao Lu +3 more
wiley +1 more source
Optimization of Operating Parameters for Flotation of Fine Coal Using a Box-Behnken Design
, 2015 In this study, experiments were carried out to examine flotation characteristics of fine coal and to determine the effect of various reagents on the coal flotation and the most optimum flotation conditions.
Samanlı, Selçuk +3 more
core +1 more source
steel research international, EarlyView.H2 prereduction selectively metallizes Fe in UG2 chromite pellets at 1100°C, while silicon carbide becomes active at 1300°C to convert remaining Cr2O3 to carbides and promote Cr metallization. By separating the roles of H2 and SiC, the sequential route reaches up to 65.7% Cr metallization and suppresses in‐furnace CO generation by ≈75% versus ...
D. Coertzen +5 more
wiley +1 more source
Mineral processing technologies used to obtain valuable components of the solid wastes from coal combustion in power plants [PDF]
Acta Montanistica Slovaca, 2005 This paper presents mineral processing technologies used to achieve components from solid wastes of coal combusted in power plants. By combusting bituminous coal in smelting boilers, mineral novelties are formed which are separable by suitable mineral ...
Martin Sisol +3 more
doaj
Journal of Vinyl and Additive Technology, EarlyView.A multifunctional PDMS sponge modified with boron compounds and candle soot exhibits superhydrophobicity, flame retardancy, and efficient oil adsorption. The porous structure enables rapid oil uptake, stable self‐cleaning behavior, and improved fire resistance, highlighting its potential for environmental remediation and safe oil–water separation ...
Sena Ayazoglu, Kübra Ozkan Hukum
wiley +1 more source
, 2011 This dissertation presents the results of an investigation to develop a two-stage flotation process to produce: (i) a low-volume sulfide-rich concentrate that can be treated chemically or biologically or disposed of in a contained manner; (ii) a high ...
Mbamba, Christian Kazadi
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A Very Social History: South American Cricketing Tourists in Britain in 1932
History, EarlyView.Abstract Drawing on both the rich Anglophone cricket historiography and the new Latin American sports scholarship, this article maps out the entangled global networks that shaped the tour of Britain made in 1932 by a team of South American cricketers.
Matthew Brown
wiley +1 more source
Multivariable control of a rougher flotation cell
, 2002 This project focussed on the investigation, development and evaluation of a closed loop control system on a rougher flotation cell that could improve PGM flotation performance.
Van Schalkwyk, Theo
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