Co-pyrolysis of petrochemical sludge and sawdust for syngas production by TG-MS and fixed bed reactor |
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| Affiliation: | 1. School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing, 211816, China;2. Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC, V6T 1Z3, Canada;3. School of Energy Science and Engineering, Nanjing Tech University, Nanjing, 211816, China;4. Chair of Energy Process Engineering, Friedrich-Alexander-University Erlangen-Nuremberg, Fürther Str. 244f, Nuremberg, 90429, Germany;1. School of Environmental Engineering, Wuhan Textile University, Wuhan 430073, China;2. Engineering Research Centre for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan Textile University, Wuhan 430073, China;3. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, Hubei 430070, China;1. School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083 Beijing, PR China;2. School of Civil and Resource Engineering, University of Science and Technology, Beijing, 10083 Beijing, PR China;3. Central Research Institute of Building and Construction Co., Ltd., MCC Group, 100088 Beijing, PR China;4. Beijing Municipal Institute of Labour Protection, 100054 Beijing, PR China;1. School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China;2. Bioenergy Research Group, EBRI, Aston University, Birmingham B4 7ET, UK;1. State Key Laboratory of Petroleum Pollution Control, Beijing, 102206, China;2. School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, 710049, China;3. School of Engineering, University of Hull, Hull, HU6 7RX, UK;4. Shenwu Technology Group Corp, Beijing, 102200, China |
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| Abstract: | The main objective of this work is to investigate the syngas production from petrochemical sludge (PS) and sawdust (SD) co-pyrolysis. In this study, the pyrolysis experiments of PS, SD and their blends were carried out in TG-MS analyzer and fixed bed reactor. The effects of pyrolysis temperature and interactions between PS and SD on gas evolution behavior, products distribution and gas compositions were investigated. The PS pyrolysis result showed high temperature favored the gas production and there was a distinct increase in gas yield when temperature exceeded 700 °C. The Fe3O4 in solid was reduced by carbon with the generation of CO and CO2, leading to the increase of gas yield. During the co-pyrolysis process, significant interactions between PS and SD were observed. SD addition promoted the increase of gas yield, as well as the generation of H2 and CO. In addition, the activation energy during co-pyrolysis process was reduced due to the interaction. The strongest accelerative effect on gas yield appeared at 60 wt% SD, under which the gas yield was 39.59 wt%, H2+CO content was 61.34 vol%, LHV was 13.39 MJ/Nm3. It was concluded that SD addition was conductive to syngas production from PS pyrolysis. |
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| Keywords: | Petrochemical sludge Sawdust Co-pyrolysis TG-MS Interactive effects |
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