sulfur content of coal

Monitoring the sulfur content of coal | SpringerLink

2016-5-13 · Information regarding the sulfur content of the coal is required not only in metallurgy but also when burning coal as a fuel. The traditional method of determining the sulfur content of coal is unsuitable for large-scale monitoring of processes because it is laborious and not sufficiently reliable. Nuclear-physics methods are free of those problems. However, satisfactory precision of the ...

U.S. Coal Reserves: An Update by Heat and Sulfur Content

2016-2-11 · Sulfur content values of coal are considered low, medium, or high in relation to the potential of the coal, when burned, to produce sulfur dioxide emissions below, near, or above increments allowed by the U.S. Environmental Protection Agency under the Clean Air Act, New

(PDF) SULFUR CONTENT OF COAL DEPOSIT SIBOVCI,

The sulfur content of the coal deposit to Sibofc differs from other fields in the basin carbonaceous Kosovo. Key word: coal basin, reserves, sulfur content, Sibofc, Kosovo Słowo kluczowe ...

Sulfur in coals: A review of geochemistry and origins ...

Highlights Sulfur abundance in coals is controlled primarily by depositional environments. Sulfur isotopic evidence indicates a seawater source for sulfur in high-sulfur coal. Formation of pyrite and organic sulfur compounds during diagenesis. A high-sulfur, iron-poor environment for the superhigh-organic-sulfur coal.

Sulphur Content - an overview | ScienceDirect Topics

2012-3-2 · Based on the blast furnace thermochemical model, the effect of increasing the coal sulfur content from 0.94% to 1.4% on the performance of the blast furnace has been calculated (Oshnock, 1995b). An increase in slag volume from 285 to 308 kg/t-hot metal is needed in

(PDF) Sulphur in coal - researchgate.net

A vitrinite-rich low rank coal, Baishihu (BSH) coal with moderate sulfur content was treated by dehydration and crushing. The treated samples were pyrolyzed in an alloy tubular reactor under 2 MPa.

Organic Sulfur in Coal - MDPI

2016-5-13 · content of thiophenic sulfur in this coal is 26.49%, and the organic sulfur content of some other forms is relatively small. Molecules 2016, 21, 630 3 of 13 pyrite in this coal sample is 47.45% in the chemical analysis results, from which we can infer that the sulfide sulfur content of this coal is not high.

Sulfur Forms, Coal Analysis, Kentucky Geological Survey ...

2019-10-7 · The testing procedures and guidelines for determining the weight percent contributions of these forms of sulfur to the total sulfur content of a coal are outlined in ASTM method D2492-02 (American Society for Testing and Materials, 2013, p. 458–462).

Process for reducing the sulfur content of coal - SIMPSON ...

A sample of New Mexico fuschia coal containing 6.4% total sulfur was subjected to the grinding-extraction procedures of Example 1. The sulfur content of the extracted coal was 2.5%, virtually all of which was pyritic sulfur. The extracted coal was mixed with a stoiciometric quantity of aluminum chloride, based on the pyrite content of the coal.

COAL CHARACTERISTICS - Purdue University

2016-12-8 · The fixed carbon content of the coal is the carbon found in the material which is left after volatile materials are driven off. This differs from the ultimate carbon content of the coal because some carbon is lost in hydrocarbons with the volatiles Calorific value, measured in Btu is the amount of

Monitoring the sulfur content of coal | SpringerLink

2016-5-13 · Information regarding the sulfur content of the coal is required not only in metallurgy but also when burning coal as a fuel. The traditional method of determining the sulfur content of coal is unsuitable for large-scale monitoring of processes because it is laborious and not sufficiently reliable. Nuclear-physics methods are free of those problems. However, satisfactory precision of the ...

Monitoring the sulfur content of coal | Semantic Scholar

Information regarding the sulfur content of the coal is required not only in metallurgy but also when burning coal as a fuel. The traditional method of determining the sulfur content of coal is unsuitable for large-scale monitoring of processes because it is laborious and not sufficiently reliable. Nuclear-physics methods are free of those problems.

Organic and inorganic sulfur in coal (Journal Article ...

The organic sulfur content of the No. 5 coal and one of the No. 6 coals was in the range of 0.2 to 0.6%, while the other No. 6 coal had organic sulfur above 1% and total sulfur of 3.84%. The organic sulfur was easily distinguished from the pyritic or sulphatic sulfur forms by the local iron content and the variation in

Assessment of Sulphur Content of Coal from Saoner Coal

According to this result, the coal in Edirköy field is in the form of high-sulfur coal and the sulfur types analysis indicate that the ratio of pyritic sulfur vary from 0.78 to 5.25%, the organic ...

Organic Sulfur in Coal - MDPI

2016-5-13 · content of thiophenic sulfur in this coal is 26.49%, and the organic sulfur content of some other forms is relatively small. Molecules 2016, 21, 630 3 of 13 pyrite in this coal sample is 47.45% in the chemical analysis results, from which we can infer that the sulfide sulfur content of this coal is not high.

Sulfur Forms, Coal Analysis, Kentucky Geological Survey ...

2019-10-7 · The testing procedures and guidelines for determining the weight percent contributions of these forms of sulfur to the total sulfur content of a coal are outlined in ASTM method D2492-02 (American Society for Testing and Materials, 2013, p. 458–462).

Sulfur in coals: A review of geochemistry and origins

The No. 11 coal is a high-sulfur coal with a large proportion of organic sulfur content (3.7 to 5.5%, avg. 4.4%) and belongs to typical SHOS coal. The high sulfur content in the Sangshuping coal ...

Desulfurization of Coal - EOLSS

2017-1-16 · Sulfur in Coal 2.1 Sulfur Content The total sulfur content of coal can vary within a single deposit as well as between deposits. As summarized in Table 1, the content for selected coalfields of major coal producing countries ranges between below 0.5 wt% and roughly 10 wt%. Since coals on

Chapter 7 COAL - Pennsylvania State University

1998-6-25 · contains, the easier it is to start to burn it, or to achieve its ignition. Sulfur content of coals is seen to be quite variable. Because of the special importance of sulfur, related to the environmental consequences of burning coals, we shall discuss the presence of sulfur in coal in some detail (see below).

Where Are the Low Sulphur Content Coal Mines in the US?

2016-2-10 · Classification of coal by sulphur content According to the EIA, low sulphur content coal is defined as having less than 0.60 pounds of sulphur per million British thermal units (or MMBtu).

Monitoring the sulfur content of coal | Semantic Scholar

Information regarding the sulfur content of the coal is required not only in metallurgy but also when burning coal as a fuel. The traditional method of determining the sulfur content of coal is unsuitable for large-scale monitoring of processes because it is laborious and not sufficiently reliable. Nuclear-physics methods are free of those problems.

Sulfur in coal | Rigaku Global Website

2021-9-1 · In the burning of coal, higher sulfur content causes more rapid corrosion of metal equipment, while sulfur as it burns is also an environmental pollutant. For these reasons, measuring the sulfur content of coal is important for the characterization and value of the coal, and a rapid and simple means of monitoring sulfur levels in coal is critical, from mining to industrial use.

Organic and inorganic sulfur in coal (Journal Article ...

The organic sulfur content of the No. 5 coal and one of the No. 6 coals was in the range of 0.2 to 0.6%, while the other No. 6 coal had organic sulfur above 1% and total sulfur of 3.84%. The organic sulfur was easily distinguished from the pyritic or sulphatic sulfur forms by the local iron content and the variation in

Assessment of Sulphur Content of Coal from Saoner Coal

According to this result, the coal in Edirköy field is in the form of high-sulfur coal and the sulfur types analysis indicate that the ratio of pyritic sulfur vary from 0.78 to 5.25%, the organic ...

Measuring Sulfur Content of Coal Using EDXRF

2013-5-6 · Measuring Sulfur Content of Coal Using EDXRF. Pyrite (Fe2S) is a key mineral present in most coal, which contains different amounts of sulfur based on how much iron and sulfur combined in the peat when it transformed into coal, and the wetness of the climate in

Organic Sulfur in Coal - MDPI

2016-5-13 · content of thiophenic sulfur in this coal is 26.49%, and the organic sulfur content of some other forms is relatively small. Molecules 2016, 21, 630 3 of 13 pyrite in this coal sample is 47.45% in the chemical analysis results, from which we can infer that the sulfide sulfur content of this coal is not high.

Sulfur in coals: A review of geochemistry and origins

The No. 11 coal is a high-sulfur coal with a large proportion of organic sulfur content (3.7 to 5.5%, avg. 4.4%) and belongs to typical SHOS coal. The high sulfur content in the Sangshuping coal ...

Determination of Forms of Sulfur in Coal: Energy Sources ...

2007-5-16 · Widespread interest in reducing the sulfur content of coal has increased the need for chemical determinations of the forms of sulfur: sulfate, pyritic, and organic. The proper use and application of methods of determining the forms of sulfur in coal and coal refuse, including interpretation of results, can pose serious problems; consequently, a ...

Occurrence and sedimentary control of sulfur in coals of

The sulfur content in coal which is influenced by seawater is higher. It is also higher in case that the coal formed in marine-terrigenous depositional environment. While formed in continental sedimentary environment, the sulfur in coal is lower. The results provide a basis for a

Method of removing sulfur from coal (Patent) | OSTI.GOV

A process is disclosed for reducing the pyritic sulfur content of coal. The process consists of: (1) contacting an aqueous slurry of water, an alkaline earth metal base and pyrite-containing coal at elevated temperature with oxygen, said alkaline earth metal base being present in an amount at least equal to the stoichiometric amount of pyrite, and said aqueous slurry being maintained at a ph ...

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