TiO2 based Photocatalysis membranes: An efficient strategy for pharmaceutical mineralization

Sanjeev Kumar, Bhawna, Ritika Sharma, Akanksha Gupta, Kashyap Kumar Dubey, A. M. Khan, Rahul Singhal, Ravinder Kumar, Akhilesh Bharti, Prashant Singh, Ravi Kant, Vinod Kumar

Research output: Contribution to journalReview articlepeer-review

27 Scopus citations

Abstract

Among the various emerging contaminants, pharmaceuticals (PhACs) seem to have adverse effects on the quality of water. Even the smallest concentration of PhACs in ground water and drinking water is harmful to humans and aquatic species. Among all the deaths reported due to COVID-19, the mortality rate was higher for those patients who consumed antibiotics. Consequently, PhAC in water is a serious concern and their removal needs immediate attention. This study has focused on the PhACs' degradation by collaborating photocatalysis with membrane filtration. TiO2-based photocatalytic membrane is an innovative strategy which demonstrates mineralization of PhACs as a safer option. To highlight the same, an emphasis on the preparation and reinforcing properties of TiO2-based nanomembranes has been elaborated in this review. Further, mineralization of antibiotics or cytostatic compounds and their degradation mechanisms is also highlighted using TiO2 assisted membrane photocatalysis. Experimental reactor configurations have been discussed for commercial implementation of photoreactors for PhAC degradation anchored photocatalytic nanomembranes. Challenges and future perspectives are emphasized in order to design a nanomembrane based prototype in future for wastewater management.

Original languageEnglish
Article number157221
JournalScience of the Total Environment
Volume845
DOIs
StatePublished - 1 Nov 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

  • Mineralization
  • Nanofiltration
  • Nanomaterials
  • Pharmaceutical
  • Photocatalysis
  • Rutile

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