Wastewater Treatment

Wastewater Treatment

Cutting Edge Molecular Tools, Techniques and Applied Aspects
2021, Pages 327-342
Wastewater Treatment

Chapter 16 - Biological Wastewater Treatment Technology: Microalgae

https://doi.org/10.1016/B978-0-12-821881-5.00016-7Get rights and content

Abstract

Water is the natural element that is found in greater quantity on the planet, which is responsible for the prosperity of the different forms of life on earth. One of the main problems that humanity is going through, with respect to this element, is that every day it becomes a limited resource, largely due to the contamination of the different natural water sources and the generation of wastewater, whether industrial or domestic. Developing sustainable and environmental-friendly technologies is the challenge of modern society. So that these remediation technologies generate in turn the least possible impact in the remediation of these waters. These new technologies focus on the use of microorganisms, specifically in the versatility of adaptation and metabolism that they possess. What emerges as a new vision, known today as bioremediation, considered as a biological tool in the treatment of wastewater, which promotes the emergence of new biotechnologies. Between the most outstanding is the use of microalgae, microorganisms with a great adaptation to different substrates from organic matter to waters contaminated with heavy metals.

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  • Advanced wastewater treatment process using algal photo-bioreactor associated with dissolved-air flotation system: A pilot-scale demonstration

    2022, Journal of Water Process Engineering
    Citation Excerpt :

    It can remove different contaminants and oxidize a variety of organic molecules, turning them into stable chemicals and biomass that can be isolated from water [16,17]. Broadly speaking, BWT technologies can be classified into three types based on the demand for O2 for the breakdown of organic matter: viz; aerobic, anaerobic, and anoxic techniques [18]. There are countless variations for the BWT based on aerobic, anaerobic, anoxic or a combination of aerobic and anaerobic technologies [19].

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