globalchange  > 气候变化与战略
DOI: 10.1016/j.rser.2019.109588
论文题名:
Unlocking the potential of walnut husk extract in the production of waste cooking oil-based biodiesel
作者: Khounani Z.; Hosseinzadeh-Bandbafha H.; Nizami A.-S.; Sulaiman A.; Goli S.A.H.; Tavassoli-Kafrani E.; Ghaffari A.; Rajaeifar M.A.; Kim K.-H.; Talebi A.F.; Aghbashlo M.; Tabatabaei M.
刊名: Renewable and Sustainable Energy Reviews
ISSN: 13640321
出版年: 2020
卷: 119
语种: 英语
英文关键词: Bio-antioxidant ; Biodiesel ; Life cycle assessment ; Oxidation stability index ; Propyl gallate ; Walnut waste valorization
Scopus关键词: Antioxidants ; Biodiesel ; Climate change ; Cost effectiveness ; Costs ; Esters ; Extraction ; Fuel additives ; Oils and fats ; Oxidation ; Solar concentrators ; Solar power generation ; Synthetic fuels ; Cost-effective approach ; Environmental investigation ; International standards ; Life Cycle Assessment (LCA) ; Oxidation stability ; Physical and chemical properties ; Propyl gallate ; Waste valorizations ; Life cycle
英文摘要: Biodiesel has a lower oxidation stability index (OSI) than mineral diesel fuel. Its consequential oxidation products and deteriorated physical and chemical properties of fuel are associated with engine operation challenges such as the formation of insoluble gums that can plug fuel filters. Given the fact that oxidation leads to barriers for commercial use of biodiesel, addition of appropriate antioxidants into biodiesel is a promising and cost-effective approach to overcome this challenge. Although synthetic antioxidants such as propyl gallate (PG) are frequently used to counter the oxidation process of biodiesel, PG is a designated carcinogen. In light of that, this study was conducted aiming at introducing walnut husk methanolic extract (WHME) as a more sustainable antioxidant to replace PG in waste cooking oil (WCO) methyl esters. Moreover, to facilitate the commercialization of the new product, a comprehensive environmental investigation and comparison with the conventional counterpart, i.e., PG, was performed using life cycle assessment (LCA) approach. To enhance the eco-friendly features of the natural antioxidant, a solar photovoltaic-driven extraction process based on methanol (as reagent) was used in extracting polyphenols from walnut husk. The results showed that the induction period of WCO methyl esters was prolonged from 1.2 h to more than 3 h (meeting the ASTM D6751 standards) using 5000 ppm and 250 ppm of WHME and PG, respectively. More specifically, 20-fold more natural antioxidants would be required to meet the international standards. However, since walnut-producing countries are responsible for 42.4% of global biodiesel production on one hand and the cost-effectiveness of walnut husks on the other hand, their valorization could attract the attention of the global biodiesel industry. Moreover, this study highlights the considerable environmental and health benefits of turning this bio-waste product into a value-added antioxidant fuel additive. The LCA results showed that the developed bio-antioxidant was more effective in different damage categories compared with PG, i.e., 0.32% in ecosystem quality, 12.13% in human health, 8.37% in climate change, and 614% in resource. Overall, the WHME obtained through solar photovoltaic-driven extraction process could outcompete PG from the environmental perspective. © 2019 Elsevier Ltd
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被引频次[WOS]:35   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159009
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作者单位: Microbial Biotechnology Department, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education, and Extension Organization (AREEO), Karaj, Iran; Department of Mechanical Engineering of Agricultural Machinery, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran; Biofuel Research Team (BRTeam), Karaj, Iran; Center of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia; Faculty of Plantation and Agrotechnology, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor 40450, Malaysia; Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan, 84156-83111, Iran; School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom; Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, South Korea; Henan Province Engineering Research Center for Forest Biomass Value-added Products, Henan Agricultural University, Zhengzhou, 450002, China; Genetic Department, Faculty of Biotechnology, Semnan University, Semnan, 35131-19111, Iran; Faculty of Mechanical Engineering, Ho Chi Minh City University of Transport, Ho Chi Minh City, Viet Nam

Recommended Citation:
Khounani Z.,Hosseinzadeh-Bandbafha H.,Nizami A.-S.,et al. Unlocking the potential of walnut husk extract in the production of waste cooking oil-based biodiesel[J]. Renewable and Sustainable Energy Reviews,2020-01-01,119
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