Study of antibiotics binary system treated by TiO2/solar photodecomposition and biocarbon adsorption
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2018
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INTERNATIONAL CONFERENCES ON ECOTECHNOLOGIES FOR WASTEWATER TREATMENT, 4th
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The study presents the antibiotics TiO2/solar photodecomposition followed
by adsorption using micronized biocarbon. The cephalexin and amoxicillin antibiotics
are very popular in Brazil and possibly the mostly found in medical prescriptions. The
adsorption process using biocarbon reduce the presence of photodecomposition byproducts.
The experimental project was planned to optimize the efficiency of the
integrated processes (photodecomposition and adsorption) to remove the antibiotics
mixture from the polluted water. The first study was only one antibiotic at the time, the
amoxicillin followed by cephalexin after that was studied the binary system. The
maximum single amoxicillin removal percentage was 94.74 %, the single cephalexin
was 69.45%, and for the binary system the higher removal percentage after solar/TiO2
photodecomposition and biocarbon adsorption was 59.95% correspondent with 8.84%
of cephalexin and 91.16% of amoxicillin. The cephalexin addition to the binary system
reduces the total removal percentage. The integrated processes indicate better
correspondence with the pseudo-second-order kinetics K2, and Langmuir, Freundlich,
and Radlich-Peterson isotherms to amoxicillin and cephalexin experiments and the
binary system.
Como referenciar
LIMA, G.N.S.; MACEDO, M.V.; HYPPOLITO, F.P.; SILVA, A.; ORTIZ, N. Study of antibiotics binary system treated by TiO2/solar photodecomposition and biocarbon adsorption. In: INTERNATIONAL CONFERENCES ON ECOTECHNOLOGIES FOR WASTEWATER TREATMENT, 4th, June 25-27, 2018, London, Ontario, Canada. Proceedings... Disponível em: http://repositorio.ipen.br/handle/123456789/29736. Acesso em: 18 Apr 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.