Valorization of Camellia oleifera oil processing byproducts to value-added chemicals and biobased materials:A critical review

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外文摘要：The C.oleifera oil processing industry generates large amounts of solid wastes,including C.oleifera shell(COS)and C.oleifera cake(COC).Distinct from generally acknowledged lignocellulosic biomass(corn stover,bamboo,birch,etc.),Camellia wastes contain diverse bioactive substances in addition to the abundant lignocellulosic components,and thus,the biorefinery utilization of C.oleifera processing byproducts involves complicated processing technologies.This review first summarizes various technologies for extracting and converting the main components in C.oleifera oil processing byproducts into value-added chemicals and biobased materials,as well as their potential applications.Microwave,ultrasound,and Soxhlet extractions are compared for the extraction of functional bioactive components(tannin,flavonoid,saponin,etc.),while solvothermal conversion and pyrolysis are discussed for the conversion of lignocellulosic components into value-added chemicals.The application areas of these chemicals according to their properties are introduced in detail,including utilizing antioxidant and anti-in-flammatory properties of the bioactive substances for the specific application,as well as drop-in chemicals for the substitution of unrenewable fossil fuel-derived products.In addition to chemical production,biochar fabricated from COS and its applications in the fields of adsorption,supercapacitor,soil remediation and wood composites are comprehensively reviewed and discussed.Finally,based on the compositions and structural characteristics of C.oleifera byproducts,the development of full-component valorization strategies and the expansion of the appli-cation fields are proposed.

外文关键词：

Camellia oleifera shellCamellia oleifera cakeValue-added chemicalsBioactive componentsBiobased materials

作者：

Xudong Liu、Yiying Wu、Yang Gao、Zhicheng Jiang、Zicheng Zhao、Wenquan Zeng、Mingyu Xie、Sisi Liu、Rukuan Liu、Yan Chao、Suli Nie、Aihua Zhang、Changzhu Li、Zhihong Xiao

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作者单位：

State Key Laboratory of Utilization of Woody Oil Resource,Hunan Academy of Forestry,Changsha,410004,China

Key Laboratory of State Forestry and Grassland Administration on Utilization Science for Southern Woody Oil Resource,Hunan Academy of Forestry,Changsha,410004,China

Hunan Provincial Key Laboratory of Oils and Fats Molecular Structure and Function,Changsha,410004,China

State Key Laboratory of Separation Membranes and Membrane Processes,College of Chemistry,Tiangong University Tianjin,300387,China

College of Biomass Science and Engineering,Sichuan University,Chengdu,610065,China

College of Mechanical Engineering and Mechanics,Xiangtan University,Xiangtan,411105,China

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基金：

国家自然科学基金Hunan Science and Technology Xiaohe Talent Support ProjectScience and Technology Innovation Program of Hunan ProvinceScience and Technology Innovation Program of Hunan ProvinceState Key Laboratory of Woody Oil Resource Utilization Common Key Technology Innovation for the Green Transformation of Woody OiState Key Laboratory of Woody Oil Resource Utilization ProjectKey Research and Development Program of the State Forestry and Grassland AdministrationHunan Forestry Outstanding Youth ProjectChangsha Science and Technology ProjectChangsha Science and Technology ProjectScience and Technology Innovation Leading Talent of Hunan Province

项目编号：

322015092022 TJ-XH 0132022RC11562021RC2100XLKY2022052019XK2002GLM[2021]95XLK202108-1kq2202325kq21070222020RC4026

出版年：

2024

DOI：

10.1016/j.gee.2022.12.002

绿色能源与环境(英文)

CSTPCD

ISSN：

年,卷(期)：2024.9(1)

被引量1
参考文献量245