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An insight into the role of experimental parameters in advanced oxidation process applied for pharmaceutical degradation

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Abstract

The advanced oxidation process (AOP) is an efficient method to treat recalcitrance pollutants such as pharmaceutical compounds. The essential physicochemical factors in AOP experiments significantly influence the efficiency, speed, cost, and safety of byproducts of the treatment process. In this review, we collected recent articles that investigated the elimination of pharmaceutical compounds by various AOP systems in a water medium, and then we provide an overview of AOP systems, the formation mechanisms of active radicals or reactive oxygen species (ROS), and their detection methods. Then, we discussed the role of the main physicochemical parameters (pH, chemical interference, temperature, catalyst, pollutant concentration, and oxidant concentration) in a critical way. We gained insight into the most frequent scenarios for the proper and improper physicochemical parameters for the degradation of pharmaceutical compounds. Also, we mentioned the main factors that restrict the application of AOP systems in a commercial way. We demonstrated that a proper adjustment of AOP experimental parameters resulted in promoting the treatment performance, decreasing the treatment cost and the treatment operation time, increasing the safeness of the system products, and improving the reaction stoichiometric efficiency. The outcomes of this review will be beneficial for future AOP applicants to improve the pharmaceutical compound treatment by providing a deeper understanding of the role of the parameters. In addition, the proper application of physicochemical parameters in AOP systems acts to track the sustainable development goals (SDGs).

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Abbreviations

AOP:

Advanced oxidation process

PDS:

Peroxydisulfate

CMK:

Mesoporous carbon

PMS:

Peroxymonosulfate

GN:

Graphitic carbon nitride

PPCPs:

Pharmaceutical and care products

COD:

Chemical oxygen demand

PS:

Persulfate

DOM:

Dissolved organic matter

PZC:

Point of zero charge

GCNQDs:

Graphitic carbon nitride quantum dots

rGO:

Reduced graphene oxide

LNTO:

La-doped with sodium tantalate

SDGs:

Sustainable development goals

MC:

MIL-88A (iron) on cotton fibers

SR-AOP:

Advanced oxidation process based on sulfate radicals

mpg-C3N4:

Graphene and mesoporous graphitic carbon nitride

UV:

Ultraviolet

NOM:

Natural organic matter

WHO:

World Health Organization

NS-CMK-3:

N/S co-doped ordered mesoporous carbon

ROS:

Reactive oxygen species

ESR :

Electron spin resonance

EPR:

Electron paramagnetic resonance

TEMP :

2,2,6,6-Tetramethylpiperidine

DMPO:

5,5-Dimethyl-1-pyrroline N-oxide

EDTA:

Ethylenediaminetetraacetic acid

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Acknowledgements

The authors would like to express their appreciation to the Ministry of Higher Education Malaysia for the Fundamental Research Grant Scheme with Project Code: FRGS/1/2019/STG07/USM/02/12. The authors are thankful to AlMaarefa University for providing their needed support to this article.

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Authors

Contributions

Mohammad Qutob: writing – original draft, data curation, formal analysis, methodology, investigation; Sultan Alshehri: writing – review and editing, software, validation; Faiyaz Shakeel: writing – review and editing, validation; Prawez Alam: writing – review and editing, validation; Mohd Rafatullah: conceptualization, visualization, supervision.

Corresponding author

Correspondence to Mohd Rafatullah.

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The authors declare that this manuscript is original, has not been published before, and is not currently being considered for publication elsewhere.

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The authors declare no competing interests.

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Qutob, M., Alshehri, S., Shakeel, F. et al. An insight into the role of experimental parameters in advanced oxidation process applied for pharmaceutical degradation. Environ Sci Pollut Res 31, 26452–26479 (2024). https://doi.org/10.1007/s11356-024-33040-3

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  • DOI: https://doi.org/10.1007/s11356-024-33040-3

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