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The Microbial Desulfurization of Coal | … The chemical structure of coal macerals is usually characterized by the presence of inorganic and organic sulfur.
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Patent US4270927 Process for removal of sulfur and ash . A process for reducing the sulfur and ash content of coal wherein coal particles are treated in an aqueous ...
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CHEMICAL REMOVAL OF PYRITIC SULFUR FROM …
Chemical Removal of Pyritic Sulfur from ... Four coals were selected fdr process evaluation whose sulfur ... the coal. tuents, increased ash removal was expected as ...
Patent EP0021779A1 - Process for removal of sulfur and ash ...
The sulfur and ash content of coal particles is reduced by treating the coal particles in an aqueous slurry with a minor amount of hydrocarbon oil to form coal-oil ...
Removal of Sulfur and Ash from Coal Using Molten …
Molten caustic leaching process is effective in reducing significant amount of ash derived from minerals, pyritic sulfur, and organic sulfur from coal. The effect of ...
Patent CA1146894A - Process for removal of sulfur and ash ...
PROCESS FOR REMOVAL OF SULFUR AND ASH FROM COAL ABSTRACT OF THE DISCLOSURE A process for reducing the sulfur and ash content of coal particles wherein coal particles ...
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Patent US4270926 - Process for removal of sulfur and ash ...
A process for reducing the sulfur and ash content of coal wherein coal particles are treated in an aqueous slurry with a minor amount of hydrocarbon oil to form coal ...
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Patent US4272250 - Process for removal of sulfur and ash ...
A process for reducing the sulfur and ash content of coal particles wherein coal particles are treated in an aqueous slurry with a minor amount of hydrocarbon oil to ...
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Process for removal of sulfur and ash from coal - Google... A process for reducing the sulfur and ash content of coal comprising: treating coal particles in a ...
US4537599A - Process for removing sulfur and ash from coal ...
A process is disclosed for removing sulfur and ash, particularly clay and pyrite from coal particles having a mesh size of 30 or less. A slurry of coal particles is ...
11.11-2 EMISSION FACTORS 2/80
of the particulate removal process is the removal of coal dust, ash, ... used for acid gas removal may remove both sulfur compounds and CO2 or may be operated
Removal of Organic Sulfur from Coal by Wheat …
Removal of Organic Sulfur from Coal by Wheat Straw Ash and Potassium Ferric Hexacyanoferrat (II) ... By this process, high sulfur removal from lignites was made
Patent US4491454 - Sulfur removal from coal - Google …
The invention includes a process of removing sulfur and decreasing the ash content of coal, comprising (a) ... Since the process can remove organic sulfur, ...
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Removal of sulfur and ash from coal using molten …
Removal of sulfur and ash from coal using molten caustic leaching, ... the use and the processing of coal ... increases sulfur and ash removal in both of coal samples.
New Technology for Trace Contaminant, Acid Gas …
Acid Gas Removal and Sulfur Recovery from Coal Gasification Syngas ... Multi-Contaminant Removal Process ... Low-sulfur Coal N 2 N 2 N 2 Gasifier Ash …
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New technology removes sulfur from coal ... researchers to remove ash and some sulfur from fine coal, ... that the process can remove 85 to 95 percent of the ...
Process for removal of sulfur and ash from coal - …
Apr 14, 1981· A process for reducing the sulfur and ash content of coal wherein coal particles are treated with a conditioning agent in an aqueous slurry prior to ...
US4270926A - Process for removal of sulfur and ash …
A process for reducing the sulfur and ash content of coal wherein coal particles are treated in an aqueous slurry with a minor amount of hydrocarbon oil to form coal ...
Desulfurization of Coal - EOLSS
I - Desulfurization of Coal - Yasuo Ohtsuka ... Coal Cleaning for Sulfur Removal The coal cleaning process has traditionally focused on reducing ash-reforming minerals
Patent CA1144496A - Process for removal of sulfur and ash ...
PROCESS FOR REMOVAL OF SULFUR AND ASH FROM COAL ABSTRACT OF THE DISCLOSURE A process for reducing the sulfur and ash content of coal wherein coal …
Patent EP0021778A1 - Process for removal of sulfur and ash ...
A process for reducing the sulfur and ash content of coal wherein coal particles are treated in an aqueous slurry with a minor amount of hydrocarbon oil to form coal ...
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Coal gasification - Wikipedia
Coal gasification is the process of producing syngas–a mixture consisting ... coal tar, sulfur and ... Ash is formed in gasification from inorganic ...