Titanium dioxide doped hydroxyapatite incorporated photocatalytic membranes for the degradation of chloramphenicol antibiotic in water

BACKGROUND In the recent years, photocatalytic membrane process has gained interest in wastewater treatment applications. In this study, the ability of advanced oxidation technology coupled membrane process was evaluated during chloramphenicol (CAP) filtration. Titanium dioxide doped hydroxyapatite...

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Published in:Journal of chemical technology and biotechnology (1986) 2021-04, Vol.96 (4), p.1057-1066
Main Authors: Singh, Anirudh, Ramachandran, Sathish Kumar, Gumpu, Manju Bhargavi, Zsuzsanna, Laszlo, Veréb, Gábor, Kertész, Szabolcs, Gangasalam, Arthanareeswaran
Format: Article
Language:English
Subjects:
Antibiotics
Antifouling substances
Catalytic activity
Chloramphenicol
Chloromycetin
Degradation
Evaluation
Hydroxyapatite
hydroxyapatite composite
Liquid chromatography
Mass spectrometry
Mass spectroscopy
Membrane processes
Membrane reactors
Membranes
Nanocomposites
Oxidation
Pharmaceutical industry wastes
Photocatalysis
photocatalyst
Photocatalysts
photocatalytic membrane reactor
Photodegradation
Polysulfone
Polysulfone resins
Protective coatings
Surgical implants
TiO2
Titanium
Titanium dioxide
Wastewater treatment
Water treatment
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Summary:BACKGROUND In the recent years, photocatalytic membrane process has gained interest in wastewater treatment applications. In this study, the ability of advanced oxidation technology coupled membrane process was evaluated during chloramphenicol (CAP) filtration. Titanium dioxide doped hydroxyapatite (TiO2‐HAP) based photocatalytic membrane for chloramphenicol (CAP) degradation was investigated. The TiO2‐HAP photocatalyst was synthesized by a facile hydrothermal technique and characterized by the transmission electron microscope, X‐ray diffraction, and FTIR spectroscopy. Varying concentrations of TiO2‐HAP photocatalyst incorporated polysulfone (PSf) membranes were fabricated to enhance the photocatalytic activity and antifouling propensity. The photocatalytic activity of TiO2‐HAP incorporated PSf membranes was evaluated by a low‐pressure cross‐flow lab‐scale photocatalytic membrane reactor (PMR) for degradation of chloramphenicol in water. These results were compared with pristine PSf membrane. RESULTS The degradation of chloramphenicol was measured by liquid chromatography‐mass spectrometry (LC–MS). The photocatalytic degradation experiments revealed that the highest degradation of 61.59% was observed for the PSf/4 wt% TiO2‐HAP nanocomposite membrane. CONCLUSION This study highlights the advantages of applying the photocatalytic TiO2‐HAP incorporated PSf composite membranes for pharmaceutical wastewater treatment applications. © 2020 Society of Chemical Industry
ISSN:0268-2575
1097-4660
DOI:10.1002/jctb.6617