Process for separation and purification of sodium sulfide
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United States of America Patent
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Aug 25, 2015
Grant Date -
Jan 30, 2014
app pub date -
Apr 12, 2012
filing date -
Apr 15, 2011
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Abstract
The present disclosure provides a method for isolation and purification of sodium sulfide (Na2S) formed during desulfurization of petroleum residue. The process involves treating a sludge containing Na2S obtained during desulfurization of petroleum residue with a mixture of at least one organic solvent and water.
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