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Hydrogen peroxide-chlorine combined fuel oil oxidation treatment method

A hydrogen peroxide, oxidation treatment technology, applied in the treatment of hydrocarbon oil, petroleum industry, refining with halogen compounds, etc., to achieve the effect of reducing the cost of oxidation treatment and simple equipment

Inactive Publication Date: 2016-04-06
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Overall, although the current H 2 o 2 Oxidative desulfurization has developed a large number of various oxidation systems, but most of them are still far away from commercial application. Therefore, it is still necessary to develop new H 2 o 2 Oxidative desulfurization method to choose for commercial application

Method used

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  • Hydrogen peroxide-chlorine combined fuel oil oxidation treatment method
  • Hydrogen peroxide-chlorine combined fuel oil oxidation treatment method

Examples

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Effect test

Embodiment 1

[0044] Simulated gasoline formulated from n-octane and 4,6-dimethyldibenzothiophene (composition: 3.3112g 4,6-dimethyldibenzothiophene + 996.7g n-octane) and decahydronaphthalene and 4 , The simulated diesel oil formulated with 6-dimethyldibenzothiophene (the composition is 3.3112g 4,6-dimethyldibenzothiophene + 996.7g decahydronaphthalene) has a sulfur content of 500mg / kg. Take 50ml of any simulated fuel (simulated gasoline or simulated diesel) and keep the simulated fuel at -20°C. Add 2g of KOH solid and 2ml of aqueous hydrogen peroxide solution with a mass fraction of 51.47% to the simulated fuel successively, stir to mix the oil phase and the water phase, and inject chlorine gas into the simulated fuel at a chlorine gas flow rate of 0.026mmol / min for 5 hours Afterwards, the feeding of chlorine gas was stopped to terminate the reaction, and the reaction mixture was left to stand and then separated into layers. After the water layer and the oil layer are separated, use 50ml...

Embodiment 2

[0046] Simulated gasoline formulated from n-octane and 4,6-dimethyldibenzothiophene (composition: 3.3112g 4,6-dimethyldibenzothiophene + 996.7g n-octane) and decahydronaphthalene and 4 , The simulated diesel oil formulated with 6-dimethyldibenzothiophene (the composition is 3.3112g 4,6-dimethyldibenzothiophene + 996.7g decahydronaphthalene) has a sulfur content of 500mg / kg. Take 50ml of any simulated fuel (simulated gasoline or simulated diesel) and keep the simulated fuel at -16°C. Dissolve 50g of KOH solid into 50g of water to form an aqueous potassium hydroxide solution, then slowly add the entire aqueous potassium hydroxide solution to 84g of an aqueous hydrogen peroxide solution with a mass fraction of 51.47% at -16°C to form hydrogen peroxide-water-potassium hydroxide solution. Take 5.0g of hydrogen peroxide-water-potassium hydroxide solution and add it to the simulated fuel oil, stir to mix the oil phase and the water phase, and inject chlorine gas into the simulated f...

Embodiment 3

[0048] Simulated gasoline formulated from n-octane and 4,6-dimethyldibenzothiophene (composition: 3.3112g 4,6-dimethyldibenzothiophene + 996.7g n-octane) and decahydronaphthalene and 4 , The simulated diesel oil formulated with 6-dimethyldibenzothiophene (the composition is 3.3112g 4,6-dimethyldibenzothiophene + 996.7g decahydronaphthalene) has a sulfur content of 500mg / kg. Take 50ml of any simulated fuel (simulated gasoline or simulated diesel) and keep the simulated fuel at -20°C. Add 5gCH to the simulated fuel successively 3 COONH 4 Solid and 2ml hydrogen peroxide aqueous solution with a mass fraction of 51.47%, stirring to mix the oil phase and the water phase, and injecting chlorine gas into the simulated fuel oil at a chlorine gas flow rate of 0.026mmol / min, and stopping the chlorine gas injection after 5 hours to complete the reaction , the reaction mixture was separated after standing. After the water layer and the oil layer are separated, use 50ml of water to extra...

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Abstract

The invention provides a fuel oil oxidation treatment method applicable to fuel oil desulfurization. Hydrogen peroxide and chlorine together react with fuel oil at the same time, and the fuel oil at the end of reaction is oxidation treated fuel oil. The fuel oil treated by the method is more easily desulfurized by a liquid-liquid extraction process.

Description

technical field [0001] The invention relates to a fuel oil oxidation treatment method applicable to fuel oil desulfurization, and belongs to the technical field of fuel oil refining in the petrochemical industry. Background technique [0002] With the development of economy and society, the consumption of fuel oil (gasoline and diesel oil, etc.) of various means of transportation is increasing day by day, and the pollution of exhaust emissions is becoming more and more serious to the environment, especially the current automobile exhaust emissions are making China Cities are facing unprecedented pressure on environmental protection. In this situation, the production and use of cleaner low-sulfur, ultra-low-sulfur or even sulfur-free fuels has become an important choice to control the exhaust pollution of vehicles. [0003] In the past two decades, fuel oil standards around the world have become more and more stringent on sulfur content, and reducing sulfur content is an imp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G27/02
CPCC10G27/02C10G2300/202
Inventor 邓列征田文明石文波崔荣荣杨何平沙国河张存浩
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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