Microalgae binary culture for higher biomass production, nutrients recycling, and efficient harvesting: a review

IF 15 2区环境科学与生态学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Environmental Chemistry Letters Pub Date : 2022-01-23 DOI:10.1007/s10311-021-01363-z

Md. Asraful Alam, Chun Wan, Dang Thuan Tran, M. Mofijur, Shams Forruque Ahmed, Muhammad Aamer Mehmood, Feroz Shaik, Dai-Viet N. Vo, Jingliang Xu

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引用次数: 12

Abstract

Microalgae are photosynthetic cell factories of global interest for fuels, food, feed, bioproducts, carbon sequestration, waste mitigation, and environmental remediation. Actually, microalgal monocultures are used for biomass production and pollutant removal, yet are limited by moderate production and contaminations. Here we review binary cultures of autotrophic microalgae with bacteria, yeast, fungi, and heterotrophic microalgae, with focus on growth, lipid accumulation, bioremediation, wastewater treatment, and cost-effective harvesting. We found that a controlled, symbiotic binary culture facilitates waste bioremediation and biomass harvesting, with 96% efficiency, and reduces cost by 20–30%. Noteworthy, in binary or polyculture systems, autotrophic microalgae often develop a symbiosis by exchanging nutrients and metabolites with heterotrophic microalgae, bacteria, yeast, fungi, which may help to achieve higher biomass production.

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微藻二元培养用于高生物量生产、养分循环和高效收获:综述

微藻是全球关注的光合细胞工厂，用于燃料、食品、饲料、生物产品、碳固存、废物缓解和环境修复。事实上，微藻单一养殖被用于生物质生产和污染物去除，但受到适度生产和污染的限制。在这里，我们回顾了自养微藻与细菌、酵母、真菌和异养微藻的二元培养，重点是生长、脂质积累、生物修复、废水处理和成本效益的收获。我们发现，可控的共生二元培养有助于废物生物修复和生物质收获，效率为96%，成本降低20-30%。值得注意的是，在二元或多元培养系统中，自养微藻往往通过与异养微藻、细菌、酵母、真菌交换营养物质和代谢物而形成共生关系，这可能有助于实现更高的生物量生产。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Environmental Chemistry Letters 环境科学-工程：环境

CiteScore

32.00

自引率

7.00%

发文量

175

审稿时长

2 months

期刊介绍： Environmental Chemistry Letters explores the intersections of geology, chemistry, physics, and biology. Published articles are of paramount importance to the examination of both natural and engineered environments. The journal features original and review articles of exceptional significance, encompassing topics such as the characterization of natural and impacted environments, the behavior, prevention, treatment, and control of mineral, organic, and radioactive pollutants. It also delves into interfacial studies involving diverse media like soil, sediment, water, air, organisms, and food. Additionally, the journal covers green chemistry, environmentally friendly synthetic pathways, alternative fuels, ecotoxicology, risk assessment, environmental processes and modeling, environmental technologies, remediation and control, and environmental analytical chemistry using biomolecular tools and tracers.