Catalytic oxidizing method for deeply removing suifide in petrol
A technology of catalytic oxidation and sulfide, which is applied in the direction of multi-stage series refining process treatment, etc., can solve difficult oxidation and other problems, and achieve the effect of easy recovery, simple equipment and mild reaction conditions
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[0016] Example 1.
[0017] Dissolve 10μl of thiophene into 10ml of n-octane as a simulated gasoline. The selective oxidation reaction was carried out in a three-port reactor with a water bath jacket. Add 10 ml of thiophene-containing n-octane solution to the reactor. 50μl of oxidant hydrogen peroxide (30%wt.), 10ml of solvent water, and 0.1g of catalyst were also added into the reactor one at a time. H 2 O 2 / Sulfide molar ratio is 1.2:1. The temperature of the water bath was controlled, and the reaction temperature was 60°C. Electromagnetic stirring for 6 hours. As a result, the removal rate of thiophene was 91.59%.
Example Embodiment
[0018] Example 2.
[0019] Dissolve 10μl of thiophene into 10ml of n-octane as a simulated gasoline. The selective oxidation reaction was carried out in a three-port reactor with a water bath jacket. Add 10 ml of the above-mentioned thiophene-containing n-octane solution to the reactor. 50 μl of oxidant hydrogen peroxide (30% Wt.), 10 ml of solvent water, and 0.1 g of catalyst were also added to the reactor at once. H 2 O 2 / Sulfide molar ratio is 2:1. The temperature of the water bath was controlled, and the reaction temperature was 60°C. Electromagnetic stirring for 6 hours. As a result, the removal rate of thiophene was 95.28%.
Example Embodiment
[0020] Example 3.
[0021] Dissolve 10μl of thiophene into 10ml of n-octane as a simulated gasoline. The selective oxidation reaction was carried out in a three-port reactor with a water bath jacket. Add 10 ml of the above-mentioned thiophene-containing n-octane solution to the reactor. 50 μl of oxidant hydrogen peroxide (30% Wt.), 10 ml of solvent water, and 0.1 g of catalyst were also added to the reactor at once. H 2 O 2 / Sulfide molar ratio is 3:1. The temperature of the water bath was controlled, and the reaction temperature was 60°C. Electromagnetic stirring for 6 hours. As a result of the reaction, the removal rate of thiophene was 96.88%.
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