Environmental Sanitation Engineering ›› 2023, Vol. 31 ›› Issue (5): 45-50.doi: 10.19841/j.cnki.hjwsgc.2023.05.007

Previous Articles     Next Articles

Influence of CO2 Content in Flue Gas on Pyrolysis/Gasification Process of Municipal Solid Waste

WANG Meng, LU Mingqiang, JIA Tianyuan, CHEN Dezhen, MA Xiaobo,YIN Lijie   

  1. 1. School of Mechanical and Energy Engineering, Tongji University; 2. Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization
  • Online:2023-10-27 Published:2023-10-27

PDF (PC)

1636

PDF (Mobile)

1

Abstract: Pyrolysis/gasification is one of the important ways to convert Municipal Solid Waste (MSW) into energy and is also an effective way to dispose rural solid waste. High-temperature flue gas was used to directly heat up the preheated materials for pyrolysis/gasification. The influence of the temperature of heating flue gas and the preheating temperature of materials on the distribution of pyrolysis/gasification products were analyzed. And the influence of CO2 ratio in flue gas on the composition and calorific value of the combustible gas, and volatile release rate were emphatically analyzed. It was found that both preheating materials and increasing the temperature of flue gas could increase the yield and calorific value of combustible gas, promote the decomposition of macromolecular organics in the tar. When the preheating temperature was higher than 300 ℃ and the temperature of heatingflue gas was higher than 800 ℃, the calorific value of combustible gas was greater than 8.00 MJ/m3. The increase of CO2 content in the heating flue gas could significantly increase the CO content of the combustible gas, increase the calorific value of the combustible gas, promote the volatile release rate in the char, and improve the average voluetric heat transfer coefficient.

Key words: domestic waste, pyrolysis, gasification, CO2

[1] QIU Qingwen. Suggestions on Geotechnical Engineering Design of Domestic Waste Incineration Fly Ash Landfill [J]. Environmental Sanitation Engineering, 2025, 33(3): 64-69.
[2] GAO Hui. Research on the Components and Characteristics of Recyclable Materials in Guangzhou City Under the Background of Domestic Waste Classification [J]. Environmental Sanitation Engineering, 2025, 33(3): 90-96.
[3] DUAN Panqiao, LI Yaxin, BAI Liangcheng. White Smoke Generation Source and Control in Domestic Waste Incineration Plants [J]. Environmental Sanitation Engineering, 2025, 33(3): 102-106,113.
[4] FU Kai, BAI Xu, SHI Jiayu, QIAN Xinxin, LIU Lu, ZHOU Yaqian, WANG Heli. Calculation of Greenhouse Gas Emission from Domestic Waste Incineration Based on the Entire Process [J]. Environmental Sanitation Engineering, 2025, 33(2): 12-18.
[5] SHEN Tingting, CHU Yaozhu, TANG Yuanyuan. The Influence of Fibrous Microplastics on Sludge Biochar Pyrolysis Behavior and Carbon Structure [J]. Environmental Sanitation Engineering, 2025, 33(1): 85-92.
[6] LIU Zixing, WANG Yanming, WANG Shihao, NIE Jianwen, XUE Xiao, GAO Bin. Preliminary Exploration for MSWI Fly Ash by the Detoxification Processes of Acid Washing Reduction and Low Temperature Pyrolysis [J]. Environmental Sanitation Engineering, 2025, 33(1): 103-109.
[7] LIANG Zhifei, ZHU Xiongtao. Application of Oxygen Injection Stabilization Pretreatment Technology in Excavation of Stockpiled Waste from Domestic Waste Sanitary Landfill [J]. Environmental Sanitation Engineering, 2024, 32(6): 90-95.
[8] QIN Siyuan, CHU Chu, WANG Ping, MA Wenchao. Study on Thermal Plasma Co-Gasification of Polyethylene and Wood Chips Mixtures Under Steam Environment [J]. Environmental Sanitation Engineering, 2024, 32(5): 67-76.
[9] CHEN Mingxi, LU Yongming, WANG Jian, ZHANG Jin, WANG Xiaofeng, ZHOU Shun, GE Shaolin, LI Aimin, JI Guozhao. Research Progress on Reducing Harm and Tar Generation During Cigarette Combustion [J]. Environmental Sanitation Engineering, 2024, 32(5): 77-86.
[10] SHENG Yan, LIN Huansheng, DU Yuelin, DING Qianshen, LIU Lei. The Influence of Landfilled Age and Compaction Degree on Mechanical Properties of the Waste Humus Soil [J]. Environmental Sanitation Engineering, 2024, 32(5): 104-111.
[11] MA Xiang, CHEN Ping, LIANG Jing. A Study on the Physical and Chemical Characteristics of Biochar from Two Kinds of Municipal Organic Solid Waste [J]. Environmental Sanitation Engineering, 2024, 32(4): 29-35.
[12] CHEN Lu, YANG Dekun, LONG Jisheng. Study on Synergistic Removal Characteristics of Multiple Pollutants in Domestic Waste Incineration Plant by Integrated Flue Gas Purification Process [J]. Environmental Sanitation Engineering, 2024, 32(4): 51-57.
[13] PENG Xiaowei, TANG Yuting, ZHONG Rigang, YU Zhaosheng, LIN Yan, WU Hao. Competitive Analysis of Suitability for Garbage Transfer Trucks with Different Energy Types Under Carbon Emission Reduction Constraints:A Case Study of Shenzhen City [J]. Environmental Sanitation Engineering, 2024, 32(3): 1-8.
[14] XIAO Yi, JIA Weijian. Methane Control Status and Comprehensive Utilization of Domestic Waste in Beijing [J]. Environmental Sanitation Engineering, 2024, 32(3): 9-15.
[15] ZHANG Yu. Research on the Current Situation and Countermeasures of Rural Domestic Waste Classification in Xi’an [J]. Environmental Sanitation Engineering, 2024, 32(3): 105-109,116.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
Copyright © Environmental Sanitation Engineering
Address: 107#, Weidi Road, Tianjin, P.R.C.　 　 Postcode: 300201
Telephone: 022-28365069 　 Fax: 022-28365080 E-mail: csglwyjs10@tj.gov.cn
Supported by:Beijing Magtech