"PROCEDIMENTO DI DESOLFORAZIONE MICROBIOLOGICA DEL CARBONE"

The removal of the pyrite from finely divided coal with a high pyritic sulphur content is effected by a process which comprises modifying the hydrophilicity of the pyrite in a time period of less than 5 minutes by the use of suitable cells of Sulfolobus and separating the thus modified pyrite from t...

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Bibliographic Details
Main Authors SCOLLA GIUSEPPE, BONI RENZO, CRESCENZI FRANCESCO, LUCCHESE GIUSEPPE
Format Patent
LanguageItalian
Published 01.08.1990
Subjects
ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL
CHEMISTRY
FIRELIGHTERS
FUELS
FUELS NOT OTHERWISE PROVIDED FOR
LIQUEFIED PETROLEUM GAS
LUBRICANTS
METALLURGY
NATURAL GAS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K
TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Summary:The removal of the pyrite from finely divided coal with a high pyritic sulphur content is effected by a process which comprises modifying the hydrophilicity of the pyrite in a time period of less than 5 minutes by the use of suitable cells of Sulfolobus and separating the thus modified pyrite from the particles of coal by agglomeration or flotation techniques. This process makes it possible to obtain coal with a reduced ash and sulphur content compared to the initial levels, in good yield, and in a short time.
Bibliography:Application Number: IT19900021155