Microwave-assisted pyrolysis of vegetable oil soapstock: Comparative study of rapeseed, sunflower, corn, soybean, rice, and peanut oil soapstock

Yun Pu Wang; Shu Mei Zhang; Qiu Hao Wu; Deng Le Duan; Yu Huan Liu; Roger Ruan; Guiming Fu; Leilei Dai; Lin Jiang; Zhenting Yu; Zihong Zeng; Xiaojie Tian; Xiuhua Yang

doi:10.25165/j.ijabe.20191206.4599

Microwave-assisted pyrolysis of vegetable oil soapstock: Comparative study of rapeseed, sunflower, corn, soybean, rice, and peanut oil soapstock

Yun Pu Wang, Shu Mei Zhang, Qiu Hao Wu, Deng Le Duan, Yu Huan Liu, Roger Ruan, Guiming Fu, Leilei Dai, Lin Jiang, Zhenting Yu, Zihong Zeng, Xiaojie Tian, Xiuhua Yang

Bioproducts and Biosystems Engineering

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

In this study, the effects of catalytic temperature and the type of soapstock on products from microwave-assisted pyrolysis were investigated. HZSM-5 was used as the catalyst to study the pyrolysis of six different soapstocks at 200°C, 300°C, and 400°C catalytic temperature. Results showed that the bio-oil yields initially increased and then decreased with the increase in catalytic temperature. When the catalytic temperature was 300°C, the bio-oil reached up to the maximum value (65.8 wt.%). Findings indicated that the composition of bio-oil was related to the degree of unsaturation of fatty acids sodium in the soapstocks. In the case of saturated fatty acid sodium, a series of alkanes was formed, whereas the pyrolysis of monounsaturated fatty acid sodium resulted mainly in cycloalkanes, the cycloalkenes obtained from bio-oil was produced by polyunsaturated fatty acid sodium.

Original language	English (US)
Pages (from-to)	202-208
Number of pages	7
Journal	International Journal of Agricultural and Biological Engineering
Volume	12
Issue number	6
DOIs	https://doi.org/10.25165/j.ijabe.20191206.4599
State	Published - 2019

Bibliographical note

Funding Information:
We gratefully acknowledge the financial support from the National Natural Science Foundation of China (No. 21766019), The Key Research and Development Program of Jiangxi Province (20171BBF60023), China Scholarship Council (201806820035), Science and Technology Research Project of Jiangxi Province Education Department (No. GJJ150213), Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development (No. Y707sb1001).

Publisher Copyright:
© 2019, Chinese Society of Agricultural Engineering. All rights reserved.

Keywords

Bio-oil
HZSM-5
Microwave pyrolysis vegetable oil soapstock

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Wang, Y. P., Zhang, S. M., Wu, Q. H., Duan, D. L., Liu, Y. H., Ruan, R., Fu, G., Dai, L., Jiang, L., Yu, Z., Zeng, Z., Tian, X., & Yang, X. (2019). Microwave-assisted pyrolysis of vegetable oil soapstock: Comparative study of rapeseed, sunflower, corn, soybean, rice, and peanut oil soapstock. International Journal of Agricultural and Biological Engineering, 12(6), 202-208. https://doi.org/10.25165/j.ijabe.20191206.4599

Wang, YP, Zhang, SM, Wu, QH, Duan, DL, Liu, YH, Ruan, R, Fu, G, Dai, L, Jiang, L, Yu, Z, Zeng, Z, Tian, X & Yang, X 2019, 'Microwave-assisted pyrolysis of vegetable oil soapstock: Comparative study of rapeseed, sunflower, corn, soybean, rice, and peanut oil soapstock', International Journal of Agricultural and Biological Engineering, vol. 12, no. 6, pp. 202-208. https://doi.org/10.25165/j.ijabe.20191206.4599

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abstract = "In this study, the effects of catalytic temperature and the type of soapstock on products from microwave-assisted pyrolysis were investigated. HZSM-5 was used as the catalyst to study the pyrolysis of six different soapstocks at 200°C, 300°C, and 400°C catalytic temperature. Results showed that the bio-oil yields initially increased and then decreased with the increase in catalytic temperature. When the catalytic temperature was 300°C, the bio-oil reached up to the maximum value (65.8 wt.%). Findings indicated that the composition of bio-oil was related to the degree of unsaturation of fatty acids sodium in the soapstocks. In the case of saturated fatty acid sodium, a series of alkanes was formed, whereas the pyrolysis of monounsaturated fatty acid sodium resulted mainly in cycloalkanes, the cycloalkenes obtained from bio-oil was produced by polyunsaturated fatty acid sodium.",

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AU - Duan, Deng Le

AU - Liu, Yu Huan

AU - Ruan, Roger

AU - Fu, Guiming

AU - Dai, Leilei

AU - Jiang, Lin

AU - Yu, Zhenting

AU - Zeng, Zihong

AU - Tian, Xiaojie

AU - Yang, Xiuhua

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PY - 2019

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N2 - In this study, the effects of catalytic temperature and the type of soapstock on products from microwave-assisted pyrolysis were investigated. HZSM-5 was used as the catalyst to study the pyrolysis of six different soapstocks at 200°C, 300°C, and 400°C catalytic temperature. Results showed that the bio-oil yields initially increased and then decreased with the increase in catalytic temperature. When the catalytic temperature was 300°C, the bio-oil reached up to the maximum value (65.8 wt.%). Findings indicated that the composition of bio-oil was related to the degree of unsaturation of fatty acids sodium in the soapstocks. In the case of saturated fatty acid sodium, a series of alkanes was formed, whereas the pyrolysis of monounsaturated fatty acid sodium resulted mainly in cycloalkanes, the cycloalkenes obtained from bio-oil was produced by polyunsaturated fatty acid sodium.

AB - In this study, the effects of catalytic temperature and the type of soapstock on products from microwave-assisted pyrolysis were investigated. HZSM-5 was used as the catalyst to study the pyrolysis of six different soapstocks at 200°C, 300°C, and 400°C catalytic temperature. Results showed that the bio-oil yields initially increased and then decreased with the increase in catalytic temperature. When the catalytic temperature was 300°C, the bio-oil reached up to the maximum value (65.8 wt.%). Findings indicated that the composition of bio-oil was related to the degree of unsaturation of fatty acids sodium in the soapstocks. In the case of saturated fatty acid sodium, a series of alkanes was formed, whereas the pyrolysis of monounsaturated fatty acid sodium resulted mainly in cycloalkanes, the cycloalkenes obtained from bio-oil was produced by polyunsaturated fatty acid sodium.

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Microwave-assisted pyrolysis of vegetable oil soapstock: Comparative study of rapeseed, sunflower, corn, soybean, rice, and peanut oil soapstock

Abstract

Bibliographical note

Keywords

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