“…The removal efficiencies of the control washing experiment were 1,2,3,4,6,7,8-HpCDF (35.67%), 1,2,3,4,6,7,8-HpCDD (46.15%), OCDF (33.94%), and OCDD (15.55%). It seems that different from other studies [6,26,27], our washing experiment with sugarcane wine as a solvent seemed to result in almost no distinct selective removal of dioxin congeners as the removal percentages of different congeners were not much different, which again indicates the non-selectivity washing potential of sugarcane wine. Although the highest and lowest removal percentages were 85.2% (OCDD) and 72.0% (1,2,3,4,6,7,8-HpCDF), it should be noted that we conducted our washing experiment on contaminated field soil, of which the characteristics may greatly vary and considerably affect the removal efficiency [3,6].…”