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Method of using hydrogen peroxide sustained releasing agent and chlorine in combination for fuel oil oxidation

A hydrogen peroxide, oxidation treatment technology, applied in the direction of refining with oxygenated compounds, can solve the problems of increasing the cost of fuel oil oxidation treatment, prone to explosive decomposition, hidden dangers in storage and transportation, etc., to reduce the cost of oxidation treatment, easy to obtain , the effect of simple equipment

Inactive Publication Date: 2016-07-06
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] However, using H directly 2 o 2 The disadvantages are: H 2 o 2 The instability makes it easy to decompose during use, resulting in H 2 o 2 The additional consumption and loss of the fuel increases the oxidation treatment cost of the fuel; in addition, the H 2 o 2 The instability of it makes it prone to explosive decomposition at high concentrations, which brings safety hazards to storage and transportation

Method used

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  • Method of using hydrogen peroxide sustained releasing agent and chlorine in combination for fuel oil oxidation
  • Method of using hydrogen peroxide sustained releasing agent and chlorine in combination for fuel oil oxidation
  • Method of using hydrogen peroxide sustained releasing agent and chlorine in combination for fuel oil oxidation

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Simulated gasoline formulated from n-octane and 4,6-dimethyldibenzothiophene (composed of 3.3112g 4,6-dimethyldibenzothiophene + 996.7g n-octane) and decahydronaphthalene and 4 , The simulated diesel oil formulated with 6-dimethyldibenzothiophene (composed of 3.3112g4,6-dimethyldibenzothiophene+996.7g decahydronaphthalene) had a sulfur content of 500mg / kg. Take 50ml of any simulated fuel (simulated gasoline or simulated diesel) and keep the simulated fuel at 0→C. Add 1.4gMgO to the simulated fuel successively2 solid (or 1.8gCaO 2 solid, or 2.9gSrO 2 solid, or 4.1gBaO 2 solid, or 2.6gCa(O 2 ) 2 solid, or 2.7gSr(O 2 ) 2 solid, or 4.9gBa(O 2 ) 2 solid) and 3.4ml of water, stirred to mix the oil phase and the water phase, and chlorine gas was passed into the simulated fuel oil at a chlorine gas flow rate of 0.065mmol / min, and the chlorine gas was stopped after 5 hours to complete the reaction, and the reaction mixture was separated after standing. Separate the wate...

Embodiment 2

[0036] Simulated gasoline formulated from n-octane and 4,6-dimethyldibenzothiophene (composed of 3.3112g 4,6-dimethyldibenzothiophene + 996.7g n-octane) and decahydronaphthalene and 4 , The simulated diesel oil formulated with 6-dimethyldibenzothiophene (composed of 3.3112g4,6-dimethyldibenzothiophene+996.7g decahydronaphthalene) had a sulfur content of 500mg / kg. Take 50ml of any simulated fuel (simulated gasoline or simulated diesel) and keep the simulated fuel at 0→C. Add 3.8gBa(O 2 h) 2 Solid (or 2.9gSr(O 2 h) 2 solid, or 4.4gBa(O 2 h) 2 ·H 2 o 2 solid, or 3.5gSr(O 2 h) 2 ·H 2 o 2 solid) and 3.3ml of water, stirred to mix the oil phase and the water phase, and chlorine gas was passed into the simulated fuel oil at a chlorine gas flow rate of 0.026mmol / min, and the chlorine gas was stopped after 5 hours to complete the reaction, and the reaction mixture was separated after standing. Separate the water layer and the oil layer, use 50ml of water to extract the sulf...

Embodiment 3

[0038] Simulated gasoline formulated from n-octane and 4,6-dimethyldibenzothiophene (composed of 3.3112g 4,6-dimethyldibenzothiophene + 996.7g n-octane) and decahydronaphthalene and 4 , The simulated diesel oil formulated with 6-dimethyldibenzothiophene (composed of 3.3112g4,6-dimethyldibenzothiophene+996.7g decahydronaphthalene) had a sulfur content of 500mg / kg. Take 50ml of any simulated fuel (simulated gasoline or simulated diesel) and keep the simulated fuel at 0→C. Add 5.8g2Na to the simulated fuel successively 2 CO 3 ·3H 2 o 2 Stir the solid and 3.3ml of water to mix the oil phase and the water phase, and inject chlorine gas into the simulated fuel oil at a chlorine gas flow rate of 0.056mmol / min. Stop feeding chlorine gas after 5 hours to complete the reaction, and the reaction mixture is separated after standing , the water layer and the oil layer were separated, the sulfur in the oil layer was extracted with 50ml of water for the first time, and then 50ml of N,N-d...

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Abstract

The invention provides a kind of fuel oil oxidation treatment method that can be applied to fuel oil desulfurization, uses hydrogen peroxide sustained release agent (alkaline earth metal peroxide, alkaline earth metal superoxide, Ba and Sr hydroperoxide, percarbonate Sodium, etc.) and chlorine are mixed with fuel to react, and the fuel after the reaction is oxidized fuel. The sulfur contained in the fuel oil treated by this method can be removed more easily by liquid-liquid extraction.

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 the exhaust emissions produced is also 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G27/04
Inventor 邓列征田文明崔荣荣金盛烨杨何平
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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