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Method for preparing biomass-based aircraft fuel by utilizing stalks and waste plastic food bags

A technology for waste plastics and aviation fuel, which is used in the preparation of liquid hydrocarbon mixtures, the petroleum industry, and the treatment of hydrocarbon oils. It can solve problems such as poor thermal stability, high acidity, and strong corrosiveness. The effect of improving yield and quality and shortening carbonization time

Inactive Publication Date: 2018-03-23
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of high oxygen content, low calorific value, poor thermal stability, high viscosity, high acidity and strong corrosiveness of the bio-oil obtained by the existing biomass pyrolysis technology, and to provide a A method for preparing biomass-based aviation fuel from plastic food bags. The method is simple in process and fast in pyrolysis. The obtained pyrolyzed bio-oil has low oxygen content, high alkane content, strong stability, and high calorific value. It can be mixed with aviation fuel Regulatory use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Put 8kg silicon carbide into the quartz cup, 20g HZSM-5 molecular sieve catalyst (diameter 5mm, Si / Al=50, specific surface area 640m 2 / g) is placed in a U-shaped quartz tube connected to a quartz two-necked bottle, and the quartz two-necked bottle and the U-shaped quartz tube connected to it with a catalyst are embedded in a quartz cup equipped with a microwave absorber, placed in a microwave In the pyrolysis instrument, the fixed power is raised to 550°C, and 100g of straw and waste plastic food bag mixture (according to the mass ratio of straw: waste plastic food bag = 1:1) is quickly added to the quartz two-necked bottle from the feed port, and the temperature is maintained continuously. Catalyzed pyrolysis at 550°C until the reaction was complete, and the pyrolysis steam produced was catalytically reformed by a U-shaped quartz tube catalyst under the action of an air pump, and finally condensed through a condenser tube to obtain 56.7g of hydrocarbon-rich bio-oil, wh...

Embodiment 2

[0021] Put 8kg silicon carbide into the quartz cup, 30g HZSM-5 molecular sieve catalyst (diameter 5mm, Si / Al=50, specific surface area 640m 2 / g) is placed in a U-shaped quartz tube connected to a quartz two-necked bottle, and the quartz two-necked bottle and the U-shaped quartz tube connected to it with a catalyst are embedded in a quartz cup equipped with a microwave absorber, placed in a microwave In the pyrolysis instrument, the fixed power is raised to 550°C, and 100g of straw and waste plastic food bag mixture (according to the mass ratio of straw: waste plastic food bag = 1:2) is quickly added to the quartz two-necked bottle from the feed port, and the temperature is maintained continuously. Catalyzed pyrolysis at 550°C until the reaction was complete. The pyrolysis steam produced was catalytically reformed by a U-shaped quartz tube catalyst under the action of an air pump, and finally condensed through a condenser tube to obtain 53.9g of hydrocarbon-rich bio-oil, which ...

Embodiment 3

[0023] Put 8kg silicon carbide into the quartz cup, 20g HZSM-5 molecular sieve catalyst (diameter 5mm, Si / Al=50, specific surface area 640m 2 / g) is placed in a U-shaped quartz tube connected to a quartz two-necked bottle, and the quartz two-necked bottle and the U-shaped quartz tube connected to it with a catalyst are embedded in a quartz cup equipped with a microwave absorber, placed in a microwave In the pyrolysis instrument, the fixed power is raised to 500°C, and 100g of straw and waste plastic food bag mixture (according to the mass ratio of straw: waste plastic food bag = 1:1) is quickly added to the quartz two-necked bottle from the feed port, and the temperature is maintained continuously. Catalytic pyrolysis at 500°C until the reaction is complete, the pyrolysis steam produced is catalytically reformed by a U-shaped quartz tube catalyst under the action of an air pump, and finally condensed through a condenser tube to obtain 52.3g of hydrocarbon-rich bio-oil, which wa...

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Abstract

A method for preparing biomass-based aircraft fuel by utilizing stalks and waste plastic food bags comprises the following steps: (1) respectively smashing the stalks and the waste plastic food bags,and uniformly mixing according to a mass ratio that the stalks to the waste plastic food bags is (1 to 1) to (1 to 10); (2) weighing a catalyst according to a mass ratio that the catalyst to the mixture of the stalks and the waste plastic food bags is (1 to 1) to (1 to 10), putting the catalyst into a U-shaped quartz tube which is connected with a pyrolysis steam outlet of a quartz double-openingbottle, and adding a microwave absorption agent into a quartz cup; (3) embedding the quartz double-opening bottle and the U-shaped quartz tube connected with the quartz double-opening bottle into thequartz cup filled with the microwave absorption agent, putting the quartz cup in a microwave pyrolysis instrument, heating to 450 to 650 DEG C, quickly adding the mixture of the stalks and the waste plastic food bags into the quartz double-opening bottle, catalyzing and reforming pyrolysis steam through the catalyst in the U-shaped quartz tube under the action of an air pump, and forming the biomass-based aircraft fuel through condensation of a condensation tube. According to the method disclosed by the invention, the carbonizing time is greatly shortened, and the productivity and the qualityof biomass oil and the content of hydrocarbons in the biomass oil are increased.

Description

technical field [0001] The invention belongs to the technical field of biomass energy conversion, and mainly relates to a method for preparing biomass-based aviation fuel from straw and waste plastic food bags. Background technique [0002] Most of the world's energy is petroleum derivatives and different fractions of petroleum. Aviation kerosene is one of the petroleum products, mainly composed of hydrocarbons of different fractions. my country's oil resources are relatively scarce, and its overdraft consumption also seriously threatens homeland security and restricts economic development. The research and development of renewable energy has become an urgent problem. The rapid pyrolysis of biomass to produce renewable fuels has attracted more and more attention from researchers. However, the bio-oil obtained by this technology has high oxygen content, low calorific value, poor thermal stability, high viscosity, high acidity, and strong corrosion, so its further application...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G1/00
CPCC10G1/00C10G2300/1003C10G2300/1011C10G2300/70
Inventor 王允圃刘玉环陈诺吴秋浩曾子鸿张辉斌周跃戴磊磊段邓乐余桢婷姜林张淑梅
Owner NANCHANG UNIV
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