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구.농수식품

조회865

정종민Jong-Min Jung

세종대학교

Ind. Crop. Prod., Volume 174, 15 December 2021, 114194 | https://doi.org/10.1016/j.indcrop.2021.114194 Direct conversion of Camellia japonica seed into biodiesel through non-catalytic transesterification

Jong-Min Jung^a, Minyoung Kim^a, Sungyup Jung^a, Young Jae Jeon^b,c, Yiu Fai Tsang^d, Young-Kwon Park^e, Amit Bhatnagar^f, Wei-Hsin Chen^g,h,i, Eilhann E. Kwon^a,*

^aDepartment of Environment and Energy, Sejong University, Seoul 05006, South Korea
^bDepartment of Microbiology, Pukyong National University, Busan 48513, South Korea
^cSchool of Marine and Fisheries Life Science, Pukyong National University, Busan 48513, South Korea
^dDepartment of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong
^eSchool of Environmental Engineering, University of Seoul, Seoul 02504, South Korea
^fDepartment of Separation Science, LUT School of Engineering Science, LUT University, Sammonkatu 12, FI-50130, Mikkeli, Finland
^gDepartment of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan
^hResearch Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan
ⁱDepartment of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan

^*Corresponding author.

Abstract

Biodiesel (BD) (that is alternative to petro-diesel) has been used as carbon neutral fuel as a strategic measure for CO2 mitigation. BD has been produced via acid-/base-catalyzed transesterification of edible oils. Rectifying a conventional/commercialized platform for BD synthesis could offer a new opportunity to produce BD with a more sustainable manner. Indeed, the massive amount of wastewater to neutralize alkaline solution is generated from the conversion process of BD. The use of edible oils in BD production has been also discouraged due to ethical dilemma linked to crop price increase. In these contexts, it could be very desirable to convert valueless/inedible oils into BD through an environmentally benign conversion platform. To this end, non-catalytic transesterification of Camellia japonica seed/oil was mainly studied in this work. As a reference, base-catalyzed transesterification of Camellia japonica oil was also tested. Camellia japonica kernel contained the high content of oil (60.4 wt%). Non-catalytic transesterification of Camellia japonica oil resulted in 96.77 wt% BD yield at 370 °C in 1 min. However, base-catalyzed transesterification of Camellia japonica oil led to 86.13 wt% BD yield at 63 °C for 2 h. Non-catalytic transesterification of Camellia japonica seed was tested to directly convert oil in Camellia japonica seed into BD. The yield of BD from the direct transesterification of Camellia japonica seed was higher (37.14 wt% per dried biomass) than transesterification of Camellia japonica oil (35.42 wt%). Such fact offers that direct conversion of oil-bearing seed into BD could be realized non-catalytically.

논문정보

형식Research article
게재일2021년 12월 (BRIC 등록일 2022-01-28)
연구진국내(교신)+국외 연구진
분야
구분구・농수식품

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