Nutrient removal and biomass production: advances in microalgal biotechnology for wastewater treatment

Critical Reviews in Biotechnology
Sudharsanam AbinandanMallavarapu Megharaj

Abstract

Owing to certain drawbacks, such as energy-intensive operations in conventional modes of wastewater treatment (WWT), there has been an extensive search for alternative strategies in treatment technology. Biological modes for treating wastewaters are one of the finest technologies in terms of economy and efficiency. An integrated biological approach with chemical flocculation is being conventionally practiced in several-sewage and effluent treatment plants around the world. Overwhelming responsiveness to treat wastewaters especially by using microalgae is due to their simplest photosynthetic mechanism and ease of acclimation to various habitats. Microalgal technology, also known as phycoremediation, has been in use for WWT since 1950s. Various strategies for the cultivation of microalgae in WWT systems are evolving faster. However, the availability of innovative approaches for maximizing the treatment efficiency, coupled with biomass productivity, remains the major bottleneck for commercialization of microalgal technology. Investment costs and invasive parameters also delimit the use of microalgae in WWT. This review critically discusses the merits and demerits of microalgal cultivation strategies recently developed for maximum ...Continue Reading

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Citations

Apr 12, 2019·Critical Reviews in Biotechnology·Isiri Adhiwarie PereraMallavarapu Megharaj
Sep 13, 2020·Applied Microbiology and Biotechnology·Shuying FengYu Liu
Dec 22, 2019·Biotechnology Advances·Xiujuan QianKatrin Ochsenreither
Jan 29, 2021·Water Science and Technology : a Journal of the International Association on Water Pollution Research·L CavieresC Riquelme
Jan 22, 2021·FEMS Microbiology Ecology·Isiri Adhiwarie PereraMallavarapu Megharaj
Apr 14, 2021·Bulletin of Environmental Contamination and Toxicology·Telma EncarnaçãoAlberto A C C Pais
Jun 17, 2021·Microbial Ecology·Isiri Adhiwarie PereraMallavarapu Megharaj
Nov 12, 2021·World Journal of Microbiology & Biotechnology·Bing XuDaoji Wu

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