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Method for producing biological aviation kerosene by adopting liquid catalytic process

A liquid catalytic and biological technology, applied in chemical instruments and methods, hydroprocessing technology, chemical/physical processes, etc., can solve the problems of poor dispersion of heterogeneous catalysts, influence of catalyst activity, catalyst coking, etc., to achieve easier industrialization and process Green, high yield effect

Pending Publication Date: 2021-04-06
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the above scheme can basically realize the preparation of aviation fuel, the problems encountered are concentrated in that due to the poor dispersion of the heterogeneous catalyst, the catalytic efficiency is low, and the relatively high content of colloidal components easily leads to coking of the catalyst and difficulty in industrialization. In addition, hydrogenation The water formed by deoxygenation is easy to affect the catalyst activity, so it is urgent to find a new catalyst

Method used

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  • Method for producing biological aviation kerosene by adopting liquid catalytic process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Preparation of liquid catalyst:

[0022] The mass ratio of niobium oxalate: ammonium molybdate: nickel oxalate: ammonium metatungstate: water = 2:2:10:2:10 is made into a mixed solution, and the liquid catalyst is obtained by stirring evenly.

[0023] The production process of bio-jet fuel:

[0024] (1) Mix the soybean oil and the synthesized liquid catalyst according to the mass ratio of 1000:1 and stir evenly with a stirrer, then pump the uniformly mixed raw materials into the suspension slurry bed for hydrogenation reaction, the reaction temperature is 250°C, the reaction The pressure is 6MPa; (2) The hydrogenation reactant is injected into the centrifuge for separation, and the residue is collected; (3) The deslagging liquid is injected into the bio-jet fuel hydrocracking reactor at a reaction temperature of 350°C and a reaction pressure of 8MPa (4) Distilling the hydrocracking product to obtain bio-jet fuel at 150-280°C and biomass light solvent oil below 150°C. ...

Embodiment 2

[0026] Preparation of liquid catalyst:

[0027] The mass ratio of niobium oxalate: ammonium metatungstate: nickel oxalate: cobalt oxalate: water = 2:2:5:5:10 is made into a mixed solution, and the liquid catalyst is obtained by stirring evenly.

[0028] The production process of bio-jet fuel:

[0029] (1) Mix the rice bran oil and the synthesized liquid catalyst at a mass ratio of 500:1 and stir evenly with a stirrer, then pump the uniformly mixed raw materials into the suspension slurry bed for hydrogenation reaction, and the reaction temperature is 280°C. The pressure is 4MPa; (2) The hydrogenation reactant is injected into the centrifuge for separation, and the residue is collected; (3) The deslagging liquid is injected into the bio-jet hydrocracking reactor at a reaction temperature of 400°C and a reaction pressure of 6MPa. (4) Distilling the hydrocracking product to obtain bio-jet fuel at 150-280°C and biomass light solvent oil below 150°C.

Embodiment 3

[0031] Preparation of liquid catalyst:

[0032] The mass ratio of niobium oxalate: ammonium molybdate: iron oxalate: ruthenium nitrate: water = 3:2:8:1:10 is made into a mixed solution, and the liquid catalyst is obtained by stirring evenly.

[0033] The production process of bio-jet fuel:

[0034] (1) Mix the waste oil and the synthesized liquid catalyst according to the mass ratio of 300:1 and stir evenly with a stirrer, then pump the evenly mixed raw materials into the suspension slurry bed for hydrogenation reaction, the reaction temperature is 260°C, and the reaction The pressure is 5MPa; (2) The hydrogenation reactant is injected into the centrifuge for separation, and the residue is collected; (3) The deslagging liquid is injected into the bio-jet hydrocracking reactor at a reaction temperature of 390°C and a reaction pressure of 12MPa. (4) Distilling the hydrocracking product to obtain bio-jet fuel at 150-280°C and biomass light solvent oil below 150°C.

[0035] Tabl...

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Abstract

The invention relates to a method for producing biological aviation kerosene by catalyzing a biomass raw material through a liquid catalyst. The biomass raw material and the liquid catalyst are uniformly mixed and pass through a hydrogenation reactor, a tailing self-separation system, a hydrocracking reactor and a separation system to obtain high-quality biological aviation kerosene and biomass light solvent oil. Renewable biomass is used as the raw material, the biological aviation kerosene meeting the standard is successfully produced, the problem of catalyst poisoning caused by uneven catalyst dispersion, metal deposition, carbon deposition and the like is successfully solved by utilizing the liquid catalyst, and continuous large-scale and long-period operation of the device is realized.

Description

technical field [0001] The invention relates to the field of preparation of bio-jet kerosene, in particular to a method for producing bio-jet kerosene by a liquid catalytic process. Background technique [0002] With the continuous progress of the world's social economy, the aviation transportation industry has become more and more important, which has increased the use of aviation kerosene year by year. In 2019, China's aviation kerosene consumption was 36.84 million tons, a year-on-year increase of 6.4%. Traditional aviation kerosene is prepared from petrochemical energy, mainly through distillation of petroleum and intercepting the hydrocarbon components with C9-C16 chain length. Fossil energy, which is used as a raw material for aviation kerosene, is a non-renewable energy source. According to the energy statistics report released by BP Oil Company in June 2017, the global proven oil reserves at the end of 2016 were 270.7 billion tons, a year-on-year increase of 0.9%. O...

Claims

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Application Information

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IPC IPC(8): C10G65/02B01J31/04B01J31/34
CPCB01J31/04B01J31/34C10G65/02
Inventor 陈松王康县李广慈李学兵李青洋范芮堃宋彦超王忠
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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