At-Source Hospital Wastewater Treatment to Eliminate Harmful Pharmaceuticals: A Novel Immobilised Approach Using UV-LED Activated Photocatalytic Nanomaterials

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Abstract

Immobilised photocatalysis, using economical UV-A LEDs and light-Activated metallic nanomaterials may provide a sustainable, reusable at-source hospital wastewater treatment solution for the oxidation and elimination of toxic hospitalderived drugs. At bench-scale, high-Temperature calcination of photocatalysts onto spherical supports, such as glass beads, is mostly used to incorporate photocatalysts onto solid (porous) structures. However, the use of spherical support materials in fast-flowing hospital wastewater can cause unwanted hydrodynamic effects. In this study, planar borosilicate support materials were covalently functionalised with an effective photocatalytic nanomaterial thin-film and tested in a novel UV-light fixed-bed reactor. This project aims to demonstrate proof-of-principle of immobilised photocatalysis to oxidise and eliminate various ecotoxic and persistent drugs in fast-flowing hospital wastewater.

Original languageEnglish
Number of pages2
DOIs
Publication statusPublished - 30 Nov 2023
EventFunctional Material Applications: From Energy to Sensing 2023 - Glasgow, United Kingdom
Duration: 24 Oct 202325 Oct 2023

Conference

ConferenceFunctional Material Applications: From Energy to Sensing 2023
Country/TerritoryUnited Kingdom
CityGlasgow
Period24/10/2325/10/23

Keywords

  • active pharmaceutical ingredients
  • clean water
  • economical 365nm UV-light LEDs
  • hospital wastewater treatment
  • Photocatalytic metallic nanomaterials
  • planar photocatalyst supports
  • sustainable innovation
  • wide band gap semiconductors

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