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Method for preparing liquid fuel through catalytic conversion of biomass platform compound and ABE fermentation product acetoin

A technology for fermentation products and liquid fuels, which is used in the preparation of liquid hydrocarbon mixtures, biological raw materials, and the petroleum industry.

Active Publication Date: 2015-12-16
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the gasoline used by automobiles in the world, the aerospace fuel used by aircraft, etc., these fuels are now mostly hydrocarbons extracted from petroleum, but on the one hand, due to the continuous reduction of fossil fuel resources, petroleum and other resources are facing the danger of depletion; On the other hand, due to the complex composition of fossil fuels, hydrocarbons extracted from petroleum will contain S, N and other substances, which will produce SO after discharge. x ,N x o y oxides, pollute the environment, so it is imminent to find a new sustainable green energy

Method used

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  • Method for preparing liquid fuel through catalytic conversion of biomass platform compound and ABE fermentation product acetoin
  • Method for preparing liquid fuel through catalytic conversion of biomass platform compound and ABE fermentation product acetoin
  • Method for preparing liquid fuel through catalytic conversion of biomass platform compound and ABE fermentation product acetoin

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The experimental device is mainly an eggplant-shaped bottle, which is placed on a magnetic stirrer, and a reflux condenser is placed on it. The raw materials and catalysts are added to the bottle according to a certain molar ratio, the magnetic stirrer is turned on, and the reaction is carried out in a water bath. After the reaction is completed, the reaction Liquid filtration, catalyst washing, drying recovery.

Embodiment 2

[0044] The experimental device is the same as in Example 1, and accurately weighs 2-methylfuran and acetoin in an eggplant-shaped bottle according to the molar ratio of 2.5:1, and then weighs the trifluoromethanesulfonic acid (TFA- ZrO 2 ) in the raw material solution, the molar ratio of the acid catalyst to acetoin was 0.1:1, and the reaction was performed under magnetic stirring in a water bath at 65° C. for 2 hours without solvent. After the reaction is finished, the reaction solution is filtered, the catalyst is washed, dried and recovered. The reaction conversion rate of this step is 100%, and the selectivity to the target product is 93.45%. Target product NMR see image 3 with Figure 4 .

Embodiment 3-6

[0046] The experimental setup is the same as in Example 1. Accurately weigh 2-methylfuran and acetoin in eggplant-shaped bottles according to the molar ratio of 2.5:1, then weigh the acid catalyst p-toluenesulfonic acid (embodiment 3), Amberlyst- 15 resin (embodiment 4), Nafion-212 lipid film (embodiment 5), sulfonated zirconia (S-ZrO 2 ) (Example 6) In the raw material solution, the molar ratio of the acid catalyst to acetoin was 0.1:1, and the reaction was carried out under magnetic stirring in a water bath at 65° C. for 2.5 hours without solvent. After the reaction, the reaction solution was filtered, the catalyst was washed, dried and recovered (p-toluenesulfonic acid was extracted by adding water and ethyl acetate, and the organic phase was concentrated). Selectivity and conversion are shown in Table 1:

[0047] Selectivity and conversion rate of table 1 embodiment 3-6

[0048] Example

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Abstract

The invention discloses a method for preparing liquid fuel through catalytic conversion of a biomass platform compound and ABE fermentation product acetoin. The biomass platform compound and the ABE fermentation product acetoin are added to a reactor, a catalyst is added for a catalytic reaction, a reaction liquid is filtered or extracted after the reaction, concentration is performed, and a C-C bond coupled condensation product is obtained, wherein the biomass platform compound is 2-methyl furan, a furfural compound or an aromatic aldehyde compound. Complete conversion is realized in the reaction and the selectivity is higher than or equal to 90%; a hydrogenation catalyst, solid acid and a solvent are added to the condensation product for a hydrodeoxygenation reaction, complete conversion is realized in the reaction, and the selectivity for alkanes with more than 9 carbon atoms is higher than or equal to 90%; the reaction liquid is filtered and extracted, an organic phase is condensed for removal of the solvent, and a colorless clear liquid, namely, the liquid fuel containing more than 9 carbon atoms, is obtained.

Description

technical field [0001] The invention belongs to the field of biochemical industry, and in particular relates to a method for preparing liquid fuel of aviation oil or diesel oil from a biomass platform compound and acetoin, a novel ABE fermentation product, through condensation and hydrodeoxygenation reactions. Background technique [0002] Today, with the continuous improvement of life science and technology, fossil fuel resources have become an indispensable energy source in daily life and are constantly being consumed, making this non-renewable resource less and less. Therefore, the development and utilization of sustainable resources has been promoted. widespread attention of the people. In the strategy of sustainable resources and energy, biomass resources have become an important industry that countries around the world are competing to develop due to their advantages such as abundant raw material sources, fast regeneration speed, reduction of greenhouse gas emissions, ...

Claims

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Application Information

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IPC IPC(8): C10G3/00
CPCY02P30/20
Inventor 应汉杰沈涛朱晨杰柳东陈勇吴菁兰
Owner NANJING UNIV OF TECH
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