以二甲基亞砜為萃取溶劑,用溶劑萃取的方法提高焦化柴油的顏色安定性.Colour stability of coker gas oil has been improved by DMF extraction.以物質(zhì)A為反應(yīng)物,白土為脫色物質(zhì),研究用反應(yīng)-吸附的方法提高焦化柴油的質(zhì)量.A coking gas oil was treated by clay refining processs in laboratory.在這道門(mén)里, 焦化和...