99/01233 The removal of organic sulfur from two Turkish lignites by chlorinolysis

doi:10.1016/s0140-6701(99)96414-7

Fuel and Energy Abstracts

1999

DOI: 10.1016/s0140-6701(99)96414-7

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99/01233 The removal of organic sulfur from two Turkish lignites by chlorinolysis

Abstract: The removal of organic sulfur from two Turkish lignites by chlorinolysis with chlorine gas in water and water-carbon tetrachloride media at ambient pressure was examined. The effects of stirring speed (5-20 s −1), particle size (250-425, 150-180 and 74-88 µ m), temperature (13-70 • C) and time (0-10800 s) were investigated. Significant portions of the organic sulfur in the coal samples were removed.

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2012

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Physico-Chemical Characterization and Speciation of Sulphur of Nigerian Coal Samples

Adekola¹,

Baba²,

Buhari³

2012

JMMCE

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Studies of physico-chemical characterization, and chemical speciation of sulphur of seven Nigerian coal samples have been undertaken. The seven coal samples originated from South-east, North-central and North-east of Nigeria where there are proven economic deposits of this mineral. Moisture content, bulk density, percentage ash and loss of mass on ignition of all the coal samples were determined. The ultimate analysis of the raw coal, the corresponding coal ash as well as sulphur content of all samples were carried out with the aid of X-ray fluorescence technique (XRF). The major elements were Fe, Ca and S while the minor metals were K, Sc, Zn, Ni, Ti and Zr. Other metals including Ga, Cu, Mn, Cr and V were found in traces. The Nickel/Vanadium ratio which is a means of providing information on the source rock depositional environment ranged between 8.8 -32.9. Three different source rock depositional environments were deduced for the coals from their nickel/vanadium ratios, while the calculated values of V/(V+Ni) suggested that they were all formed under oxic condition. The three chemical species of sulphur, sulphate, pyritic and organic sulphur in the seven coal samples were determined using the ASTM method.

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Physico-Chemical Characterization and Speciation of Sulphur of Nigerian Coal Samples

Adekola¹,

Baba²,

Buhari³

2012

JMMCE

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show abstract

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99/01233 The removal of organic sulfur from two Turkish lignites by chlorinolysis

Cited by 1 publication

References 12 publications

Physico-Chemical Characterization and Speciation of Sulphur of Nigerian Coal Samples

Physico-Chemical Characterization and Speciation of Sulphur of Nigerian Coal Samples

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