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Adsorption–Photocatalysis Dual-Modality Approach for Removal of PPCPs from Aquatic Environment

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Impact of COVID-19 on Emerging Contaminants

Abstract

Pharmaceuticals and personal care products (PPCPs) have been drawing increasing attention as emerging contaminants due to their ubiquitous existence leading to the potential risk to the human and aquatic ecosystem. The complex chemical structures and lower concentrations make them resistant to remove from the aquatic environment. Amid various processes, adsorption coupled with photocatalysis is considered as a promising dual-modality approach for the removal of PPCPs. Adsorbents are often combined with appropriate photocatalyst to enhance the removal efficiency during remediation. This approach also ensures complete or partial mineralization of adsorbed organic matters and thereby facilitates self-rejuvenation of the adsorbent. Semiconductors are generally used in the process of photocatalysis. A good photocatalyst should have excellent photocatalytic property over visible region, low toxicity and high biological and chemical stability. This chapter discusses the progress made in the field of adsorptive–photocatalytic approach for remediation of PPCPs. Various adsorbent–photocatalysts combination used for the removal of contaminants from the aquatic environment as well as design approaches used to increase the effectiveness of this dual-modality actions are also discussed.

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Acknowledgements

Director, CSIR-NEERI is thankfully acknowledged for giving the opportunity to pursue the work in CSIR-NEERI, Nagpur, India. The article is checked for plagiarism using the iThenticate software and recorded in the Knowledge Resource Center, CSIR-NEERI, Nagpur, for anti-plagiarism (KRC No.: CSIR-NEERI/KRC/2021/JULY/DRC-WWT/1).

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Correspondence to Sukdeb Pal .

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© 2022 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Hiwrale, I., Dhodapkar, R.S., Pal, S. (2022). Adsorption–Photocatalysis Dual-Modality Approach for Removal of PPCPs from Aquatic Environment. In: Kumar, M., Mohapatra, S. (eds) Impact of COVID-19 on Emerging Contaminants. Springer Transactions in Civil and Environmental Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-1847-6_12

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