Uses the modified activated charcoal absorbent in the soda wash removing acidic material as well as in the partial sulfocompound's foundation to adsorb RFCC in diesel oil materials and so on alkalinity nitrogen to improve the RFCC diesel oil stability.Inspected the soda wash condition,the activated charcoal loading condition,the adsorption condition to purify the effect the influence.Under the room temperature,the RFCC diesel oil passes through 40% caustic soda solution 1:200 soda wash,the laundering,then with carries the acid concentration 30% phosphoric acid under 250℃ the condition the modified activated charcoal,under airspeed 0.5h-1 condition infiltration adsorption.The result indicated that the RFCC diesel oil percentage of desulfurization is 46.36%,the denitrogenation rate is 91.87%,room temperature contact air storage 30 days later the chromaticity value is 13.
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