Journal
APPLIED THERMAL ENGINEERING
Volume 136, Issue -, Pages 9-15Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2018.02.102
Keywords
Microwave; Fast co-pyrolysis; Microalgae; Polyvinyl chloride; Oil yield
Funding
- Guangdong Natural Science Foundation [2015A030313227]
- China Scholarship Council [201706155065]
- National Natural Science Foundation of China [51406058]
- Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization [2013A061401005]
- Key Laboratory of Efficient and Clean Energy Utilization of Guangdong Higher Education Institutes, South China University of Technology [KLB10004]
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Microwave-assisted fast co-pyrolysis of microalgae (MA) and polyvinyl chloride (PVC) was investigated. The pyrolysis profiles, yields of three-phase, the chemical composition of liquid and the ultimate analyses of solid residues were studied. When the power increased from 800 W to 1000 W, the bio-oil yields increased significantly while the proportion of aromatics and the heating value of oil and char decreased. A remarkable synergistic effect between MA and PVC was achieved in terms of oil yield when MA to PVC ratios were 5:5 and 3:7 at 800 W and 5:5 at 1000 W, respectively. With the increase of PVC, the content of nitrogenous and oxygenous organic matter in oil decreased from 29.65% to 0.38% at 800 W. The yield of solid decreased, the HHV increased and the values of H/C had a wave change. According to the quantity and quality of liquid and solid, 30% percentage of PVC was the suitable ratio.
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