Results 101 to 110 of about 493 (133)
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
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Fuel Processing Technology, 2006 Processing of Sirnak Asphaltite sample by gravity and flotation concentration methods was investigated to decrease its ash content. Finely disseminated inorganic constituents of asphaltite revealed the difficulty of operation.
Cahit Hicyilmaz, N Emre Altun
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Effects of using asphaltite as filler on mechanical properties of hot mix asphalt [PDF]
Construction and Building Materials, 2011 This study focuses on determining the engineering characteristics of hot mix asphalt using mineral filler with asphaltite. Since asphaltite which consists of high amount of sulfur leads to air pollution when used as a heating material and also being ...
Mehmet Yilmaz, Baha Vural Kok
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Separation of liquid fractions obtained from flash pyrolysis of asphaltite
Journal of Analytical and Applied Pyrolysis, 2008 The experiments on the flash pyrolysis of asphaltite (Avgamasya, Sirnak, SE Anatolia, Turkey) were carried out in a fixed bed reactor as a basic study. The investigation focused on the effects of pyrolysis temperature and asphaltite particle size on the ...
Akin Baysal +2 more
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Combustion Characteristics of Asphaltites
Energy Sources, 2005In this research, a laboratory work is performed to observe the combustion characteristics and reaction kinetic's of Silopi region asphaltites. A total of twelve experiments were performed with two different mesh sizes and under three different pressures.
MUSTAFA VERSAN KOK +3 more
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A kinetic study of Meyers' desulphurization of asphaltite
Fuel, 1989Abstract Cizre asphaltite was leached in acidic ferric chloride solutions. The parameters affecting conversion of pyrite disseminated in asphaltite to sulphate were investigated and a mathematical model having these parameters was derived to define the leaching process.
ONGANER, Yavuz, ALKAN, M, KOCAKERIM, MM
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Rheological Properties of Asphaltite−Water Slurries
Energy & Fuels, 2006In 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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Recovery of Uranium, Nickel, Molybdenum, and Vanadium from Floated Asphaltite Ash
Separation Science and Technology, 2004 In this study, asphaltite ash obtained from asphaltite was sulfurized under an autoclave condition, and then this sample was floated by two different xanthates.
Isil Aydin
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Minacar asphaltite: an asphaltite from Argentina
Fuel, 1972Abstract Minacar asphaltite, an asphaltic pyrobitumen or fossilized asphalt, has interesting characteristics. Its provenance, physical and chemical properties, analyses, ash characteristics, solvent extraction, carbonization products, and possibilities for improving the coke made from it are outlined.
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