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The Role of Wastewater Treatment Technologies in Municipal Landfill Leachate Treatment

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Applied Biotechnology for Emerging Pollutants Remediation and Energy Conversion

Abstract

Municipal landfilling is the most common waste management practice to eliminate urban solid waste, but a critical problem coupled with landfills is the generation of toxic landfill leachates. These landfill leachates contain toxic heavy metals and recalcitrant compounds and must be treated before being released into the water bodies. This chapter recapitulates wide-ranging studies on various leachate treatment technologies such as physicochemical, biological (aerobic and anaerobic), and combination of physicochemical and biological processes. It is comprehended that individual physicochemical and biological leachate treatment process is incapable to attain strict discharge standards for direct release into the water bodies, whereas a combination of physicochemical and biological treatment process can accomplish acceptable treatment efficiencies of both ammoniacal nitrogen and chemical oxygen demand removal. In this regard, a decrease in the toxicity of treated leachates will aid in evaluating the efficiency of a leachate treatment technology. Currently, the practice of up-flow anaerobic sludge blanket reactor (UASB) coupled with reverse osmosis (RO) membrane (UASB-RO) has shown to be a requisite means for accomplishing toxic-free treated leachate.

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Acknowledgment

The authors are highly thankful to “The Department of Science and Technology, Ministry of Science and Technology, Government of India,” for funding the project under the Scheme “Scheme for Young Scientists and Technologists (SYST)-Science for Equity and Empowerment Division (SEED)”; Project No: SP/YO/2019/1360(G). DST-INSPIRE Fellow Maseed Uddin [DST/INSPIRE Fellowship/2019/IF190897] acknowledges the Department of Science and Technology, Ministry of Science and Technology, Government of India for providing the fellowship and financial support to carry out the research.

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Correspondence to Ramani Kandasamy .

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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Uddin, M., Lakshmi Priya, B.S., Rajarubini, R., Venkatesan, S.K., Ganesan, S., Kandasamy, R. (2023). The Role of Wastewater Treatment Technologies in Municipal Landfill Leachate Treatment. In: Samuel Jacob, B., Ramani, K., Vinoth Kumar, V. (eds) Applied Biotechnology for Emerging Pollutants Remediation and Energy Conversion. Springer, Singapore. https://doi.org/10.1007/978-981-99-1179-0_7

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