Method for applying cholic acid to desulfurization of coking diesel oil
A technology for coking diesel oil and cholic acid, which is applied in the direction of multi-stage series refining process treatment, etc., can solve the problems of mild operating conditions, pollution, corrosion, etc., and achieves the effects of mild reaction conditions, simple process flow, and simple and easy operation.
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Embodiment 1
[0022] Add cholic acid to coked diesel oil at 0.05 mg / ml at room temperature, and then place it in a constant temperature water bath environment to heat and stir at a constant temperature. The heating temperature is 36.5°C, and the reaction is heated for 1 hour. The power of the constant temperature water bath magnetic stirrer is 40w, and the rotation speed is 20rpm Add catalyst and oxidant successively to coked diesel oil, catalyst is trichloroacetic acid, oxidant is the hydrogen peroxide solution that mass concentration is 30%; The volume ratio of coked diesel oil, catalyst and oxidizer is 10: 2: 1, then use DF Catalytic oxidation reaction is carried out in -101S collector type constant temperature heating magnetic stirrer, the reaction time is 50min, the heating temperature is 50°C, and the stirring speed is 40rpm; then, take out the coked diesel oil that has been reacted through the above steps, cool to room temperature, and then Add the extractant N,N-dimethylformamide, th...
Embodiment 2
[0024]Add sodium cholate at 0.5 mg / ml to coked diesel oil at room temperature, and then place it in a constant temperature water bath environment to heat and stir at a constant temperature. The heating temperature is 37°C, and the reaction is heated for 15 hours. 30rpm; add the catalyst and oxidant to the coked diesel successively, the catalyst is formic acid, and the oxidant is hydrogen peroxide solution with a mass concentration of 30%; the volume ratio of coked diesel, catalyst and oxidant is 10:2.5:2, and then use The catalytic oxidation reaction is carried out in a collector type constant temperature heating magnetic stirrer, the reaction time is 70min, the heating temperature is 60°C, and the stirring speed is 40rpm; then, the coked diesel oil that has undergone the above steps is taken out, cooled to room temperature, and then added to extract N, N-dimethylformamide, the volume ratio of extractant and coked diesel oil is 1:1, and then stirred with a magnetic stirrer for ...
Embodiment 3
[0026] Add ursodeoxycholic acid tablets at 0.7mg / ml to coked diesel oil at room temperature, and then place it in a constant temperature water bath environment to heat and stir at a constant temperature. The heating temperature is 37.5°C, and the reaction is heated for 20 hours. The power of the constant temperature water bath magnetic stirrer is 40w , rotating speed is 35rpm; Catalyst and oxidant are successively added in the coked diesel oil, and catalyzer is formic acid, and oxidant is the hydrogen peroxide solution that mass concentration is 30%; Coked diesel oil, catalyzer and oxidant volume ratio are 10: 3: 3, then use The catalytic oxidation reaction is carried out in the DF-101S collector type constant temperature heating magnetic stirrer, the reaction time is 90min, the heating temperature is 70°C, and the stirring speed is 40rpm; then, take out the coked diesel oil that has been reacted through the above steps, and cool it to room temperature. Then add the extractant ...
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