标题: Application of chitosan-based flocculants to harvest microalgal biomass for biofuel production: A review
作者: Yin, ZH (Yin, Zhihong); Chu, RY (Chu, Ruoyu); Zhu, LD (Zhu, Liandong); Li, SX (Li, Shuangxi); Mo, F (Mo, Fan); Hu, D (Hu, Dan); Liu, CC (Liu, Chenchen)
来源出版物: RENEWABLE & SUSTAINABLE ENERGY REVIEWS 卷: 145 文献号: 111159 DOI: 10.1016/j.rser.2021.111159 出版年: JUL 2021
摘要: An effective harvesting strategy with a low energy consumption as well as total cost is important for biofuel production. Microalgae harvesting by chitosan-based flocculants has received extensive attention, due to the outstanding structural features, biodegradability, applicability to various types of microalgae species and environmental friendliness. However, it is a significant strategy to select and prepare flocculants with high harvesting efficiencies for microalgae harvesting, based on different modifications strategies and external impact factors. This work reviews the latest research on chitosan-based flocculants for microalgae harvesting applications, including general aspects, harvesting mechanisms, several types of the dual harvesting system and surface modification methods commonly used to prepare chitosan-based flocculants. Suitable modification strategies for chitosan can achieve the high harvesting performance by improving synthetic effects and properties. The influences of external factors on microalgae harvesting are emphasized in detail. The effects of chitosan-based flocculants on downstream process are evaluated as well. This paper provides a potential prospect for future studies of chitosan-based flocculants on microalgae harvesting. Furthermore, uncertainties and research gaps of chitosan-based flocculants that exist in the usage of microalgae harvesting on a large scale have been put forward to foster the industry.
作者关键词: Chitosan-based flocculants; Microalgae harvesting; Modification methods; Impact factors; Application
地址: [Yin, Zhihong; Chu, Ruoyu; Zhu, Liandong; Li, Shuangxi; Mo, Fan; Hu, Dan; Liu, Chenchen] Wuhan Univ, Hubei Key Lab Biomass Resources Chem & Environm B, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China.
[Yin, Zhihong; Chu, Ruoyu; Zhu, Liandong; Li, Shuangxi; Mo, Fan; Hu, Dan; Liu, Chenchen] Wuhan Univ, Hubei Int Sci & Technol Cooperat Base Sustainable, Wuhan 430079, Peoples R China.
[Zhu, Liandong] Univ Vaasa, Fac Technol & Innovat, POB 700, FI-65101 Vaasa, Finland.
[Zhu, Liandong] Univ Vaasa, Vaasa Energy Inst, POB 700, FI-65101 Vaasa, Finland.
通讯作者地址: Zhu, LD (通讯作者)，Univ Vaasa, Fac Technol & Innovat, POB 700, FI-65101 Vaasa, Finland.
Zhu, LD (通讯作者)，Univ Vaasa, Vaasa Energy Inst, POB 700, FI-65101 Vaasa, Finland.
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