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Heavy oil and biomass hydrogenation coliquefaction treatment process

A biomass and co-liquefaction technology, applied in the petroleum industry, biofuel, preparation of liquid hydrocarbon mixtures, etc., can solve the problems of bio-oil yield and quality to be further improved, large amount of coke, etc. Effects of bio-oil yield, strong coke capacity, high hydrodeoxygenation and coke suppression

Active Publication Date: 2015-05-13
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of the above thermochemical conversion processes of biomass are based on pyrolysis process, the amount of coke is relatively large, and the yield and quality of bio-oil need to be further improved
However, using biomass and heavy oil as raw materials, the process of obtaining high yield and high-quality liquefied bio-oil through hydrogenation co-liquefaction process has not been reported yet.

Method used

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  • Heavy oil and biomass hydrogenation coliquefaction treatment process
  • Heavy oil and biomass hydrogenation coliquefaction treatment process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Mix pine wood chips with a particle size of 40 to 100 meshes and Karamay vacuum distillate oil with a distillation range of 360 to 540°C in a mass ratio of 10% of pine wood chips as feed, control the reaction temperature to 410°C, and react hydrogen Pressure 5MPa, reaction volume space velocity 1.0h -1 , the ratio of hydrogen to oil is 400, the amount of catalyst added is 300ppm, and the amount of vulcanizing agent added is 0.1%. The slurry bed hydrogenation co-liquefaction experiment is carried out on the reaction materials, and the reaction products are fractionated to obtain liquid bio-oil and coke.

Embodiment 2

[0022] Example 2: Mix straw with a particle size of 40-100 mesh and Karamay vacuum distillate oil with a distillation range of 360-540°C at a mass ratio of 10% of pine wood chips as a feed, control the reaction temperature to 430°C, and the reaction hydrogen partial pressure 5MPa, the reaction volume space velocity is 1.0h -1 , the ratio of hydrogen to oil is 400, the amount of catalyst added is 300ppm, and the amount of vulcanizing agent added is 0.1%. The slurry bed hydrogenation co-liquefaction experiment is carried out on the reaction materials, and the reaction products are fractionated to obtain liquid bio-oil and coke.

Embodiment 3

[0023] Example 3: Mix pine wood chips with a particle size of 40 to 100 meshes and FCC oil slurry at a mass ratio of 15% of pine wood chips as a feed, control the reaction temperature to 430°C, the reaction hydrogen partial pressure to 8MPa, and the reaction volume space velocity to 1.0h -1 , the ratio of hydrogen to oil is 400, the amount of catalyst added is 300ppm, and the amount of vulcanizing agent added is 0.1%. The slurry bed hydrogenation co-liquefaction experiment is carried out on the reaction materials, and the reaction products are fractionated to obtain liquid bio-oil and coke.

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Abstract

The invention relates to a heavy oil and biomass hydrogenation coliquefaction treatment process in which one or two of heavy oil and biomasses are used as raw materials in vacuum gas oil with the distillation range of 360-540 DEG C and FCC (Fluid Catalytic Cracking) oil slurry. In the process, an oil-soluble transition metal organic compound with hydrogenation activity is used as a catalyst, dimethyl sulfide is used as a vulcanizing agent, a full-back-mixing type empty barrel reactor is used as a slurry column hydrogenation reactor, the reaction temperature is uniform, and the structure is simple. By using the process, the conversion rate of the biomasses can be up to over 90wt% at lower hydrogen pressure of 4-8MPa and the temperature of 370-430 DEGC, and the yield of oil phases is up to over 70wt%. A dispersive hydrogenation catalyst adopted in the process can be used for greatly reducing the quantity of green cokes and taking a better deoxidization effect on the biomasses.

Description

technical field [0001] The invention relates to a co-processing technology of petroleum and biomass, especially a co-processing technology of vacuum distillate oil, FCC oil slurry and biomass. Background technique [0002] At present, petroleum resources are becoming increasingly heavy and inferior. Heavy and inferior petroleum is mainly produced through further coking, catalytic cracking or hydrocracking to produce light distillate oil. Due to the poor quality of raw materials, the processing cost is relatively high. Biomass is widely distributed, with huge output, low sulfur and nitrogen content, clean and pollution-free, and it is the only renewable resource containing carbon and hydrogen that can be used to prepare gasoline and diesel. Compared with coal, oil, natural gas and other fossil energy sources, it has outstanding advantages. advantage. [0003] At present, the existing biomass utilization technology is mainly thermochemical conversion method. Since the techni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G1/06
CPCY02E50/10
Inventor 刘东阎子峰宋林花吕仁庆刘华王晨杜辉程小玲李庆银李明姚德良张道祥
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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