1990
DOI: 10.1016/0166-5162(90)90034-v
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Sulfur sources and sulfur bonding of some central European attrital brown coals

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Cited by 9 publications
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“…Sulfur (S) is introduced by coal in the form of sulfides, organic sulfur compounds, sulfates, and traces of elemental sulfur . The sulfur content and the way sulfur is bound vary with the type of coal and depend upon the age and location of the coal source .…”
Section: Introductionmentioning
confidence: 99%
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“…Sulfur (S) is introduced by coal in the form of sulfides, organic sulfur compounds, sulfates, and traces of elemental sulfur . The sulfur content and the way sulfur is bound vary with the type of coal and depend upon the age and location of the coal source .…”
Section: Introductionmentioning
confidence: 99%
“…Sulfates, generally present in low quantities in coal, , are only released during char combustion . Pyrite (FeS 2 ) is usually the main fraction of sulfides in coal. , It is released according to the following reactions: 2 FeS 2 2 FeS + S 2 2 FeS 2 Fe + S 2 S + 2 O 2 2 SO 2 Reaction takes place during the heating phase of the fuel, and reaction takes place during the char combustion. Sulfur dioxide (SO 2 ), for example, formed according to reaction , is the thermodynamically favored sulfur oxide at high temperatures (>1000 °C) and oxygen-rich conditions.…”
Section: Introductionmentioning
confidence: 99%
“…39,40 Sulfur is found in coal in various forms, including sulfides, sulfates, and organic sulfur compounds and most part of the coal-S is released during combustion from sulfides and organic bound sulfur. 41 At temperatures higher than 1000 °C and oxygen-rich conditions, SO 2 is the thermodynamically favored species. H 2 S can be formed in the gas phase or released from coal-S under substiochiometric conditions.…”
Section: Introductionmentioning
confidence: 99%