ArticleEnvironmental science and pollution research international2015
UV-induced photocatalytic degradation of aqueous acetaminophen: the role of adsorption and reaction kinetics.
Article in Environmental science and pollution research international, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 43 citations in OpenAlex.
- Activated Graphene Oxide-Calcium Alginate Beads for Adsorption of Methylene Blue and Pharmaceuticals.Materials (Basel, Switzerland) · 2021Article
- TiO₂ Nanostructures for Photoelectrocatalytic Degradation of Acetaminophen.Nanomaterials (Basel, Switzerland) · 2019Article
- Degradation of quinolone antibiotic, norfloxacin, in aqueous solution using gamma-ray irradiation.Environmental science and pollution research international · 2016Article
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Authors and funding
7 authors at 3 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Nanostructured titania supported on activated carbon (AC), termed as integrated photocatalytic adsorbents (IPCAs), were prepared by ultrasonication and investigated for the photocatalytic degradation of acetaminophen (AMP), a common analgesic and antipyretic drug. The IPCAs showed high affinity towards AMP (in dark adsorption studies), with the amount adsorbed proportional to the TiO2 content; the highest adsorption was at 10 wt% TiO2. Equilibrium isotherm studies showed that the adsorption followed the Langmuir model, indicating the dependence of the reaction on an initial adsorption step, with maximum adsorption capacity of 28.4 mg/g for 10 % TiO2 IPCA. The effects of initial pH, catalyst amount and initial AMP concentration on the photocatalytic degradation rates were studied. Generally, the AMP photodegradation activity of the IPCAs was better than that of bare TiO2. Kinetic studies on the photocatalytic degradation of AMP under UV suggest that the degradation followed Langmuir-Hinshelwood (L-H) kinetics, with an adsorption rate constant (K) that was considerably higher than the photocatalytic rate constant (k r), indicating that the photocatalysis of AMP is the rate-determining step during the adsorption/photocatalysis process.
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