A review on algal biomass dewatering and recovery of microalgal-based valuable products with different membrane technologies.

IF 8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Journal of Environmental Management Pub Date : 2024-11-05 DOI:10.1016/j.jenvman.2024.123182
Vahid Vatanpour, Soodeh Salimi Khaligh, Simge Sertgumec, Gamze Ceylan-Perver, Ayse Yuksekdag, Bahar Yavuzturk Gul, Mahmut Altinbas, Ismail Koyuncu
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Abstract

Efficient microalgae harvesting and dewatering are critical processes for a range of applications, including the production of raw materials, nutritional supplements, pharmaceuticals, sustainable biofuels, and wastewater treatment. The optimization of these processes poses significant challenges due to the need for high efficiency and sustainability while managing costs and energy consumption. This review comprehensively addresses these challenges by focusing on the development and application of various membrane filtration technologies specifically designed for the effective harvesting and dewatering of algal biomass. Membrane filtration has emerged as a predominant method due to its ability to handle large volumes of microalgae with relatively low energy requirements. This review systematically examines the different membrane-based technologies and their effectiveness in recovering valuable components from algal biomass, such as lipids, proteins, and carbohydrates. The discussion begins with an overview of the physical characteristics of microalgae and their cultivation conditions, which are critical for understanding how these factors influence the performance of membrane filtration processes. Key aspects such as the features of algal cells, the presence of algal organic matter, and transparent exopolymer particles are explored in detail. The review also delves into various strategies for improving membrane antifouling properties, which are essential for maintaining the efficiency and longevity of the filtration systems. In addition, the advantages and disadvantages of different membrane techniques are reviewed, highlighting their respective performance in separating microalgae and dewatering. Finally, the review offers insights into future research directions and technological advancements that could further enhance the efficiency and sustainability of microalgae processing. This comprehensive evaluation aims to provide a thorough understanding of current membrane technologies, their applications, and the ongoing developments necessary to overcome existing limitations and improve overall process performance.

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藻类生物质脱水及利用不同膜技术回收基于微藻的有价值产品综述。
高效微藻收获和脱水是一系列应用的关键工艺,包括生产原料、营养补充剂、药品、可持续生物燃料和废水处理。由于需要在控制成本和能耗的同时实现高效率和可持续发展,这些工艺的优化面临着巨大挑战。本综述通过关注各种膜过滤技术的开发和应用,全面探讨了这些挑战,这些技术是专门为有效收获和脱水藻类生物质而设计的。膜过滤已成为一种主要方法,因为它能以相对较低的能耗处理大量微藻。本综述系统地研究了不同的膜技术及其从藻类生物质中回收有价值成分(如脂质、蛋白质和碳水化合物)的有效性。讨论首先概述了微藻的物理特性及其培养条件,这对于理解这些因素如何影响膜过滤过程的性能至关重要。详细探讨了藻类细胞的特征、藻类有机物的存在以及透明外聚合物颗粒等关键方面。综述还深入探讨了改善膜防污性能的各种策略,这对保持过滤系统的效率和寿命至关重要。此外,还回顾了不同膜技术的优缺点,强调了它们在分离微藻和脱水方面各自的性能。最后,评述对未来的研究方向和技术进步提出了见解,以进一步提高微藻处理的效率和可持续性。这项综合评估旨在提供对当前膜技术、其应用以及克服现有局限性和提高整体工艺性能所需的持续发展的透彻理解。
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来源期刊
Journal of Environmental Management
Journal of Environmental Management 环境科学-环境科学
CiteScore
13.70
自引率
5.70%
发文量
2477
审稿时长
84 days
期刊介绍: The Journal of Environmental Management is a journal for the publication of peer reviewed, original research for all aspects of management and the managed use of the environment, both natural and man-made.Critical review articles are also welcome; submission of these is strongly encouraged.
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