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Method for synthesizing high-density aviation kerosene from biomass diene and p-benzoquinone in one pot

A technology of aviation kerosene and p-benzoquinone, which is applied in the petroleum industry, hydrocarbon oil treatment, hydrotreating process, etc., to achieve the effects of low cost, convenient preparation, and reduced product loss

Pending Publication Date: 2021-12-31
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

At present, decahydronaphthalene is mainly obtained from coal, but there are few reports on obtaining decahydronaphthalene from biomass.

Method used

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  • Method for synthesizing high-density aviation kerosene from biomass diene and p-benzoquinone in one pot
  • Method for synthesizing high-density aviation kerosene from biomass diene and p-benzoquinone in one pot
  • Method for synthesizing high-density aviation kerosene from biomass diene and p-benzoquinone in one pot

Examples

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Embodiment Construction

[0042] The present invention will be described below with specific examples, but the protection scope of the present invention is not limited to these examples.

[0043] In the following examples, the bifunctional catalyst is an example of Pd / H-β with a metal loading of 5%, and the preparation method is as follows: prepare PdCl with a mass concentration of 10wt% 2 Add 2g of H-β molecular sieve to 2g of aqueous solution, add an appropriate amount of water to impregnate with equal volume, the metal loading in the catalyst after loading is 5wt%, and then stand at room temperature for 12 hours, dry at 100°C for more than 10 hours, and then dry at 550 Roast in air atmosphere at ℃ for 4 hours, reduce with hydrogen gas (60% volume concentration) at 300℃ for 4 hours, and finally pass through nitrogen gas containing 1% oxygen by volume concentration for 4 hours after the temperature drops to room temperature. Referring to the above method, the loading amount of Pd, the active metal com...

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Abstract

The invention relates to a method for one-pot synthesis of high-density alkyl decahydronaphthalene aviation kerosene from biomass conjugated diene and p-benzoquinone. The process is completed in one pot through two steps, in the first step, conjugated diene and p-benzoquinone are subjected to a Diels-Alder reaction under the thermal action to generate a ring adduct, and in the second step, alkyl decahydronaphthalene is synthesized through hydrodeoxygenation under the action of a bifunctional catalyst. According to the method, the separation and purification steps of an intermediate product are omitted in a one-pot manner, so that the purposes of reducing product loss, energy cost and waste output are achieved, and direct conversion from a lignocellulose platform compound to a high-density aviation kerosene alkyl decalin alkane compound is realized.

Description

technical field [0001] The present invention relates to biomass C 5 、C 6 A method for preparing alkyl decahydronaphthalene aviation kerosene from conjugated diene and p-benzoquinone. Background technique [0002] Prior to the 19th century, societies without the discovery of fossil fuels relied on plant biomass to meet their energy needs. Today, the energy crisis and associated environmental impacts on a global scale have once again sparked extensive research and development programs on biomass conversion. In the context of the International Year of Sustainable Energy for All in 2012, the International Renewable Energy Agency launched the global roadmap "REMAP 2030", striving to double the share of renewable energy by 2030. The U.S. Department of Energy also set that by 2030, 20% of transportation fuels and 25% of chemicals in the U.S. will be produced from biomass. Traditional petroleum and chemical companies such as Shell, UOP, Petrobras, Conoco-Phillips, Dupont, Dow an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02
CPCC10G67/02C10G2300/1011C10G2300/1037
Inventor 李宁刘春闱李广亿张涛王爱琴
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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