Investigation of Naphthalene Extraction from Ethylene Tar

Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Volume 36, Issue 9, 2014, pages 993-998
Investigation of Naphthalene Extraction from Ethylene Tar
D. Y. Han (a), Z. B. Cao (a) & Y. F. Li (a)
a School of Petrochemical Engineering, Liaoning Shihua University, Fushun, P.R. China
Abstract
Authors studied the feasibility of naphthalene extraction from narrow distillates of ethylene tar. They examined the effects of extraction agent, extraction temperature, and extraction time on naphthalene yield.
Measurement of the purity and qualitative analysis of naphthalene before and after extraction revealed that the naphthalene yield extracted by diglycol was up to 90% at the conditions of 8.0 extraction agent to raw material ratio, 70°C extraction temperature, and 50 min extraction time. Through double extraction, the purity of naphthalene could reach 95%.
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