A kind of liquid oil rich in furan substances and its preparation method

A liquid oil and furan technology, applied in the field of biomass utilization, can solve problems such as increasing operating costs, increasing operation complexity, and equipment corrosion, and achieve the effects of improving reaction efficiency and avoiding environmental pollution and equipment corrosion

Active Publication Date: 2020-01-21
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These catalysts can effectively increase the content of furans in liquid oils, but because the catalysts will cause serious corrosion to equipment at high temperatures, it is difficult to use them continuously and efficiently, and it is difficult to meet the needs of preparing a large amount of liquid oils rich in furans; At the same time, in order to improve the catalytic effect of the catalyst, it is often necessary to mix the catalyst with the biomass, and to separate the catalyst from the coke product after the reaction, which will increase the complexity of the operation and increase the operating cost

Method used

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  • A kind of liquid oil rich in furan substances and its preparation method
  • A kind of liquid oil rich in furan substances and its preparation method
  • A kind of liquid oil rich in furan substances and its preparation method

Examples

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Effect test

Embodiment 1

[0050] The embodiment of the present invention describes the method of using biomass to prepare liquid oil rich in furan substances, which specifically includes the following steps:

[0051] S1 crush and sieve the corncobs to be less than 120 mesh, pickle with hydrochloric acid with a mass fraction of 5%, the mass ratio of hydrochloric acid solution to biomass is 20:1, and put the biomass samples after pickling at 105°C after washing After drying in an oven for 24 hours, the pyrolysis raw material was obtained;

[0052] S2 uses a fast cracking reactor for catalytic pyrolysis. After the reactor is heated to a specified temperature of 550°C, the pyrolysis raw material and Zr-Cu / SAPO-18 molecular sieve catalyst are catalytically pyrolyzed. The reaction time is 15s. Zr-Cu / SAPO The mass ratio of -18 molecular sieve catalyst to pyrolysis raw material is 2:1;

[0053] S3 pyrolysis volatiles are brought into the condenser by the mixed gas, and cooled by the ice-water mixture to becom...

Embodiment 2

[0055] This example is the same as Example 1, except that the mass ratio of the Zr-Cu / SAPO-18 molecular sieve catalyst to the pyrolysis raw material is 4:1.

Embodiment 3

[0057] This example is the same as Example 1, except that the mass ratio of the Zr-Cu / SAPO-18 molecular sieve catalyst to the pyrolysis raw material is 6:1.

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Abstract

The invention belongs to the field of biomass utilization and specifically discloses liquid oil containing rich furan and a preparation method thereof. The preparation method comprises the following steps: smashing biomass into particles with the particle size smaller than 120-mesh and performing acid pickling, filtering, washing and drying treatment to obtain a pyrolysis raw material; putting thepyrolysis raw material into a fixed bed reactor and performing pyrolysis reaction under the 400 to 700 DEG C inert gas atmosphere, wherein reaction time is 15 to 30 s, and volatile components generated by pyrolysis are reformed by a catalyst bed layer with the same temperature; utilizing an ice-water mixture to cool the obtained and reformed volatile components and collecting a cooled liquid-state product, namely the liquid oil product containing rich furan. The preparation method disclosed by the invention has the advantages of low cost, simple technology and ability in continuously preparing a lot of liquid oil containing rich furan in high efficiency.

Description

technical field [0001] The invention belongs to the field of biomass utilization, and more specifically relates to a liquid oil rich in furan substances and a preparation method thereof. Background technique [0002] With the depletion of global fossil energy and the intensification of environmental problems, the development and utilization of environmentally friendly renewable resources has become a necessary trend for future energy development. Biomass is the only renewable carbon source, and fuel oil products, as well as abundant high value-added chemicals can be obtained through thermochemical conversion. At present, the biomass-based chemicals that have received widespread attention include: ethanol, glucosone, aromatic hydrocarbons, long-chain alkanes, phenols, furans, etc. Among them, furan substances are bulk chemicals with wide application prospects, such as furfural, which can be used in synthetic resins, pesticides, rubber, and various heat-processed flavors, suc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/02
CPCC10L1/02C10L2290/02
Inventor 陈汉平陈旭陈应泉杨海平王贤华邵敬爱张雄杨晴张世红
Owner HUAZHONG UNIV OF SCI & TECH
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