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Gasification method of waste textile fabrics

A textile and waste technology, applied in the field of solid waste energy utilization and carbon dioxide emission reduction, can solve problems such as obstacles to scientific utilization of waste textiles, lack of pertinence and systematization, and achieve mitigation of climate deterioration. The effect of lowering reaction temperature and reducing emissions

Inactive Publication Date: 2015-04-01
NANJING UNIV OF SCI & TECH
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Problems solved by technology

About Waste Textiles-CO 2 The research on gasification technology has not been reported yet, and most of the research is to mix waste textiles with other solid wastes, so the lack of pertinence and systematization hinders the development of scientific utilization of waste textile resources. For example, the Korean SK New Technology Corporation has applied for a patent in China: CN201080034787 proposes to use water vapor to gasify carbonaceous materials

Method used

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  • Gasification method of waste textile fabrics
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example 1

[0024] Add waste textiles to the pyrolysis reactor at 100kg / h, CO 2 as carrier gas with 10m 3 / h into the cleavage reactor. The cracking reaction is carried out at 300°C, and the cracked gas product enters the gasification reactor, and 100kg of iron carbonate is placed in the gasification reactor as a catalyst, and the gasification reaction is carried out at 800°C, and the residence time is 10s. The gas product is passed into the gas purification device to obtain clean synthesis gas (CO and H 2 ).

example 2

[0026] Add waste textiles to the pyrolysis reactor at 100kg / h, CO 2 as carrier gas with 10m 3 / h into the cleavage reactor. The cracking reaction is carried out at 400°C, and the cracked gas product enters the gasification reactor, and 100kg of calcium carbonate is placed in the gasification reactor as a catalyst, and the gasification reaction is carried out at 900°C, and the residence time is 20s. The gas product is passed into the gas purification device to obtain clean synthesis gas (CO and H 2 ).

example 3

[0028] Add waste textiles to the pyrolysis reactor at 100kg / h, CO 2 as carrier gas with 10m 3 / h into the cleavage reactor. The cracking reaction is carried out at 400°C, and the cracked gas product enters the gasification reactor, and 100kg of potassium carbonate is placed in the gasification reactor as a catalyst, and the gasification reaction is carried out at 1000°C, and the residence time is 30s. The gas product is passed into the gas purification device to obtain clean synthesis gas (CO and H 2 ).

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Abstract

The invention discloses a CO2 gasification method of waste textile fabrics. The method mainly comprises that with the waste textile fabrics as a gasification object, CO2 as a gasification gas, and iron carbonate, calcium carbonate, potassium carbonate, sodium carbonate or a mixture thereof as a catalyst, and at a certain temperature, a reaction is carried out to generate synthetic gases CO and H2. The splitting decomposition temperature of the waste textile fabrics is 300-400 DEG C, the gasification temperature is 800-1000 DEG C, the reaction conditions are easy to obtain, and the reaction temperature can be further reduced by adding the catalyst; and emissions of the waste textile fabrics and greenhouse gases can be effectively reduced, and a climate deterioration process is alleviated.

Description

technical field [0001] The invention relates to a gasification method for waste textiles, and belongs to the technical fields of solid waste energy utilization and carbon dioxide emission reduction. Background technique [0002] With the rapid development of the world economy, the demand for energy is also increasing, resulting in greenhouse gases (such as CO 2 ) has attracted more and more attention to the climate problem caused by the large amount of emissions, so CO 2 Emission reduction (including CO 2 capture, transportation, geological storage) is imperative. CO 2 The research on capture technology has become mature, and many technologies have been successfully put into pilot test operation. But due to CO 2 Large emissions, reaching 29GT / year, and continue to increase, so reduce CO emissions 2 The pressure falls to CO 2 transportation and geological storage. In order to alleviate the pressure in this area, many scholars have proposed that the CO 2 Utilize it as...

Claims

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Application Information

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IPC IPC(8): C10J3/66B09B3/00
CPCC10J3/60C10J2300/0946C10J2300/0953C10J2300/0986
Inventor 吴烨刘冬张睿
Owner NANJING UNIV OF SCI & TECH
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