Mechanisms and Approaches for the Removal of Heavy Metals from Acid Mine Drainage and Other Industrial Effluents

Masindi, Vhahangwele; Osman, Muhammad S.; Tekere, Memory

doi:10.1007/978-3-030-52421-0_15

Cited by 2 publications

(1 citation statement)

References 93 publications

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“…High-level exposures can release heavy metals into the environment. Once in the environment, they remain toxic for much longer [1]. Many of these pollutants are mutagenic to both humans along with their surroundings.…”

Section: Introductionmentioning

confidence: 99%

Recent Strategies for Bioremediation of Emerging Pollutants: A Review for a Green and Sustainable Environment

Bala

Garg

Thirumalesh

et al. 2022

Toxics

293

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Environmental pollution brought on by xenobiotics and other related recalcitrant compounds have recently been identified as a major risk to both human health and the natural environment. Due to their toxicity and non-biodegradability, a wide range of pollutants, such as heavy metals, polychlorinated biphenyls, plastics, and various agrochemicals are present in the environment. Bioremediation is an effective cleaning technique for removing toxic waste from polluted environments that is gaining popularity. Various microorganisms, including aerobes and anaerobes, are used in bioremediation to treat contaminated sites. Microorganisms play a major role in bioremediation, given that it is a process in which hazardous wastes and pollutants are eliminated, degraded, detoxified, and immobilized. Pollutants are degraded and converted to less toxic forms, which is a primary goal of bioremediation. Ex situ or in situ bioremediation can be used, depending on a variety of factors, such as cost, pollutant types, and concentration. As a result, a suitable bioremediation method has been chosen. This review focuses on the most recent developments in bioremediation techniques, how microorganisms break down different pollutants, and what the future holds for bioremediation in order to reduce the amount of pollution in the world.

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Section: Introductionmentioning

confidence: 99%

Recent Strategies for Bioremediation of Emerging Pollutants: A Review for a Green and Sustainable Environment

Bala

Garg

Thirumalesh

et al. 2022

Toxics

293

View full text Add to dashboard Cite

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Biological Treatment Techniques for Sewage: Aerobic and Anaerobic Processes

Mbamalu Ezeh,

Chinedu Agu,

Aworabhi

2024

Sewage - Management and Treatment Techniques [Working Title]

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Sewage treatment is crucial to safeguard public health and the environment. Various techniques are available for treating wastewater, and the selection of one often depends on factors like the wastewater composition, environmental conditions, and treatment objectives. One of the most widely used methods of biological treatment for sewage is activated sludge, which employs aerobic bacteria to degrade organic matter. This process involves blending wastewater with a mixture of bacteria and flocs, with the bacteria consuming the organic matter to produce clear water while the flocs settle. Another commonly employed method is anaerobic digestion, which employs anaerobic bacteria to decompose organic matter in the absence of oxygen. These methods generate biogas, containing methane and carbon dioxide, and digestate, a nutrient-rich sludge suitable as soil amendment or fertilizer. This chapter explores the mechanisms and applications of activated sludge and anaerobic digestion in biological sewage treatment, highlighting their advantages and downsides, the factors that influence their performance, such as pH, temperature, and substrate concentration. It covers the latest improvements in biological sewage treatment, including the use of new microbial strains and hybrid treatment systems.

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Mechanisms and Approaches for the Removal of Heavy Metals from Acid Mine Drainage and Other Industrial Effluents

Cited by 2 publications

References 93 publications

Recent Strategies for Bioremediation of Emerging Pollutants: A Review for a Green and Sustainable Environment

Recent Strategies for Bioremediation of Emerging Pollutants: A Review for a Green and Sustainable Environment

Biological Treatment Techniques for Sewage: Aerobic and Anaerobic Processes

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