Separation of Benzene Insoluble Matter from Coal Liquefied Products

概要

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The sedimentation rates of the benzene insoluble matter (BI) obtained from liquefied products by the reaction of 1, 2, 3, 4-tetrahydroquinoline with Taiheiyo and Miike coals were measured by the addition of water/benzene (w/o) emulsions prepared using different emulsifiers.<BR>As a result, the sedimentation rates of both Taiheiyo. BI and Miike BI were accelerated remarkably by the addition of W/O emulsions prepared using sorbitan fatty acid ethers and polyoxyethylene nonyl phenyl ethers. On the other hand, the addition of W/O emulsion prepared using sodium di-2-ethylhexyl sulfosuccinate affected hardly the sedimentation rate of BI. From the sedimentation study of BI, it was found that a separation of BI was enhanced by the addition of W/O emulsions prepared using emulsifiers which exhibited an appropriate emulsion stability and was easily broken by dilution into benzene, resulting supply of water to the BI surface for coagulation of BI particles.
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