ENVIRONMENTALLY CLEAN PROCESS FOR UTILIZING PYROLYSIS PRODUCTS
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United States of America Patent
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Issued Date -
Jan 5, 2012
app pub date -
Mar 16, 2010
filing date -
Mar 17, 2009
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Abstract
A process for the recovery of sulfur from the products resulting from the pyrolysis of sulfur-containing organic materials, comprises the steps of: a) carrying out the combustion of liquid pyrolysis products, thereby to obtain sulfur dioxide in the formed exhaust gases; b) reacting hydrogen sulfide recovered from gases, generated in the pyrolysis process, with said sulfur dioxide; and c) reacting hydrogen sulfide recovered from gases, generated in the gasification of solid pyrolysis products, with said sulfur dioxide, and as a result to obtain elemental sulfur, pure gaseous fuel and exhaust gases from liquid products combustion free from sulfur-containing compounds.
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