Results 91 to 100 of about 395 (139)
Salt Flotation of Şirnak Asphaltite
Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 2011 Abstract The aim of this study was to investigate the possibility of cleaning Sirnak asphaltite by salt flotation. For this purpose, experimental studies were conducted on a Sirnak asphaltite sample containing high ash and sulfur content. The effects of salt amount, pH, frother amount, and impeller speed on the flotation were investigated separately in
Temel, H. A., H. A. Temel
exaly +3 more sources
CHROMIUM AND THALLIUM IN TURKISH ASPHALTITE SAMPLE
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2017 Asphaltite derives from petroleum origin solid fossil fuel [1]. It contains valuable elements such as chromium, thallium molybdenum, uranium etc. Chromium and thallium are very important elements both environmental and health. Chromium has an important role in the metabolism. It keeps the blood sugar level in balance.
Kavak, Orhan +3 more
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NICKEL SPECIATION IN ASPHALTITE BOTTOM ASH
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2017 Asphaltites derive from petroleum origin. The combustion of asphaltites produces fly and bottom ashes that are characterized by a high content of valuable elements such as vanadium, nickel, molybdenum, uranium, thorium, sulfur and unburnt carbon [1].
Aydin F., Kavak O., Fidan C., Aydin I.
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Extraction of Asphaltite with Toluene
Solid Fuel Chemistry, 2018The extraction of asphaltite with toluene was carried out at 100–300°C. With the use of X-ray fluorescence analysis, the effect of the extractant on the redistribution of organic substances between the initial and extracted asphaltites was found.
V Yu Kerimov +2 more
exaly +2 more sources
Selective oil agglomeration in Sırnak asphaltite beneficiation
Fuel, 2004 Abstract In this study, the possibility of cleaning Sirnak asphaltite by the agglomeration method was investigated. Experimental studies were conducted on the asphaltite sample with ash, sulphur, volatile matter and fixed carbon contents of 44.8, 6.0, 38.0, and 17.2 wt%, respectively. For this purpose, laboratory tests were carried out to investigate
Abakay, H, Ayhan, FD, Kahraman, F
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Effect of Molten Caustic Leaching on Demineralization and Desulfurization of Asphaltite
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2008 Abstract Molten caustic leaching process is effective in reducing significant amounts of ash-forming minerals, pyritic sulfur, and organic sulfur from solid fossil fuels. The effect of leaching asphaltite samples from Seguruk and Harbul collieries of Sirnak and Silopi asphaltite fields (situated in the Southeast Anatolia region of Turkey) with molten ...
Hamamci, C. +4 more
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A kinetic investigation on the pyrolysis of Seguruk asphaltite
Journal of Thermal Analysis and Calorimetry, 2008 The pyrolysis of Seguruk asphaltite has been investigated using thermogravimetric analysis at atmospheric pressure between 293 to 1223 K at different linear heating rates of 5, 10 and 20 K min−1 under nitrogen as ambient gas. There was a two-stage thermal decomposition. Thermal decomposition started around 630 K for stage 1 for the slowest heating rate.
Tonbul, Y. +3 more
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Rheological Properties of Asphaltite−Water Slurries
Energy & Fuels, 2006 In this study, the rheological characteristics of asphaltite−water slurries (AWSs) were investigated with respect to some of the most important parameters in the preparation of slurries. The effects of pulp density, chemical addition, pulp pH, and particle size on the rheological behavior and viscosity of AWSs were studied. The role of demineralization
HİÇYILMAZ, Cahit +2 more
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