Application of mercury discharge lamp without electrode for degradation of paracetamol
Abstract
Electroless mercury discharge lamp (Hg-EDL) was applied in photolytic and photocatalytic degradation studies, to evaluate the degradation potential of a solution of Paracetamol 10 mg L-1. The photodegradation (photolysis and photocatalysis) was conducted in a UV / MW reactor, with fixed microwave power (200W, pH ̴ 7) and different irradiation time (0.083 and 2.0 min.). After irradiation, the samples were analyzed by UV / Vis spectrophotometry for drug quantification. Removal of up to 70% in the photolytic assay with time of up to 2 min., while for the photocatalytic process (applying suspension of 1 g L-1 of the semiconductors) the results removal was of the order of 60%. First-order kinetics were applied, with a constant k = 0.602 min-1 and r2 = 0.993, demonstrating an adequate adjustment to the kinetics of order 1. Thus, the UV / MW reactor demonstrates high efficiency in the paracetamol degradation process, since high removal rate and high kinetic degradation value were obtained for the respective system. This photoreactor can be explored in degradation tests of other compounds, allowing the evaluation of its efficiency against the degradation of a greater variety of emerging contaminants.
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References
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Xiong, P.; Hu, J. 2012. Degradation of acetaminophen by UVA/LED/TiO2 process. Separation and Purification Technology, 91(1): 89-95.
Wang, A.; Zhang, Y.; Zhong, H.; Chen, Y.; Tian, X.; Li, D.; Li, J. 2018. Efficient mineralization of antibiotic ciprofloxacin in acid aqueous medium by a novel photoelectro-Fenton process using a microwave discharge electrodeless lamp irradiation. Journal of Hazardous Materials, 342(1): 364-374.
Yavas, A.Z.; Mizukoshi, Y.; Maeda, Y.; Ince, N.H. 2015. Supporting of pristine TiO2 with noble metals to enhance the oxidation and mineralization of paracetamol by sonolysis and sonophotolysis. Applied Catalysis B: Environmental, 172-173(Ago.): 7-17.
Yavas, A.Z.; Ince, N.H. 2016. Enhanced photo-degradation of paracetamol on n-platinum-loaded TiO2: The effect of ultrasound and °OH/hole scavengers. Chemosphere, 162(Nov.): 324-332.
Bai, Y.; Cui, Z.; Su, R.; Qu, K. 2018. Influence of DOM components, salinity, pH, nitrate, and bicarbonate on the indirect photodegradation of acetaminophen in simulated coastal Waters. Chemosphere, 205(Ago.):108-117.
Bila, D.M.; Dezotti, M. 2003. Fármacos no Meio Ambiente. Química Nova, 26(4): 523-530.
Brasil. 2016. Diagnóstico dos Serviços de Água e Esgotos – 2014. Ministério das Cidades. Secretaria Nacional de Saneamento Ambiental – SNSA. Sistema Nacional de Informações sobre Saneamento e Ministério das Cidades - SNSA/MCIDADES), Brasília:, 212p. Disponível: http://www.epsjv.fiocruz.br/upload/Diagnostico_AE2014.pdf. Acesso: 20 jul. 2018.
Církva, V.; Relich, S. 2011. Microwave Photochemistry and Photocatalysis. Part 1: Principles and Overview. Current Organic Chemistry, 15(2): 248-264.
Domingos, H. 2010. Paracetamol, C8H9NO2. Química Nova Interativa. 2010. Disponível em:
Fioreze, M.; Santos, E.P. Schmachtenberg, N. 2014. Processos oxidativos avançados: fundamentos e aplicação ambiental. Revista Eletronica em Gestão, Educação e Tecnologia Ambiental, 18(1): 79-91.
Hong, J.; Han, B.; Yuan, N.; Gu, J. 2015 The roles of active species in photo-decomposition of organic compounds by microwave powered electrodeless discharge lamps. Journal of Envronmental Science, 33(Jul.): 60-68.
Kemarya, M.E.; Sobhya, S.; Daly, S.E.; Shafic, A.A. 2011. Inclusion of Paracetamol into - cyclodextrin nanocavities in solution and in the solid state. Spectrochimica Acta Part A, 79 (5): 1904-1908.
Martignac, M.; Oliveros, E.; Maurette, M.T.; Claparols, C.; Marquié, F.B. 2013. Mechanistic pathways of the photolysis of paracetamol in aqueous solution: an example of photo-Fries rearrangement. Photochem. Photobiol. Sci., 12(3): 527-535.
Melo, S.A.S.; Trovó, A.G.; Bautitz, I.R.; Nogueira, R.F.P. 2009. Degradação de fármacos residuais por processos oxidativos avançados. Química Nova, São Paulo, 32(1): 188-197.
Moreira, A.J.; Borges, A.C.; Gouveia, L.F.C.; Macleod, T.C.O., Freschi, G.P.G. 2017. The process of atrazine degradation, its mechanism, and the formation of metabolites using UV and UV/MW photolysis. Journal of Photochemistry and Photobiology A: Chemistry 347(1): 160-167.
Napoleão, D.C.; Zaidan, L.E.M.C.; Salgado, J.B.A.; Sales, R.V.L.; Silva, V.L. 2015. Degradação do Contaminante Emergente Paracetamol Empregando Processos Oxidativos Avançados. Revista Eletrônica em Gestão, Educação e Tecnologia Ambiental Santa Maria, 19(3): 725-734.
Pereira, B.V.R. 2018. Efeito agudo e crônico dos fármacos Paracetamol e Propranolol em diferentes biomarcadores de uma espécie de peixe neotropical. 100 f. Dissertação de Mestrado. Universidade Federal de São Carlos, Sorocaba.
Steiner, M.G.; Babbs, C.F. 1990. Quantitation of the Hydroxyl Radical by Reaction with Dimethyl Sulfoxide. Archives of biochemistry and biophysics, 278(2), 478 - 481.
Ta, N.; Hong, J.; Liu, T.; Sun, C. 2016. Degradation of atrazine by microwave-assisted electrodeless discharge mercury lamp in aqueous solution. Journal of Hazardous Materials, 138(1): 187-194.
Tong, A.Y.C.; Braund, R.; Warren, D.S.; Peake, B.M. 2012. TiO2-assisted photodegradation of pharmaceuticals - a review. Central European Journal of Chemistry, 10(4): 989-1027.
Treml, J.; Smejkal, K. 2016. Flavonoids as Potent Scavengers of Hydroxyl
Radicals. Comprehensive Reviews in Food Science and Food Safety, 15(4): 720-738.
Trovó, A.G.; Nogueira, R.F.P.; Agüera, A.; Alba, A.R.F.; Malato, S. 2012. Paracetamol degradation intermediates and toxicity during photo-Fenton treatment using different iron species. Water Resource, 46(16), 5374-5380.
Valdez, H.C.A.; Jiménez, G.G.; Granados, S.G.; Léon, C.P. 2012. Degradation of paracetamol by advance oxidation processes using modified reticulated vitreous carbon electrodes with TiO2 and CuO/TiO2/Al2O3. Chemosphere, 89(10), 1195-1201.
Xiong, P.; Hu, J. 2012. Degradation of acetaminophen by UVA/LED/TiO2 process. Separation and Purification Technology, 91(1): 89-95.
Wang, A.; Zhang, Y.; Zhong, H.; Chen, Y.; Tian, X.; Li, D.; Li, J. 2018. Efficient mineralization of antibiotic ciprofloxacin in acid aqueous medium by a novel photoelectro-Fenton process using a microwave discharge electrodeless lamp irradiation. Journal of Hazardous Materials, 342(1): 364-374.
Yavas, A.Z.; Mizukoshi, Y.; Maeda, Y.; Ince, N.H. 2015. Supporting of pristine TiO2 with noble metals to enhance the oxidation and mineralization of paracetamol by sonolysis and sonophotolysis. Applied Catalysis B: Environmental, 172-173(Ago.): 7-17.
Yavas, A.Z.; Ince, N.H. 2016. Enhanced photo-degradation of paracetamol on n-platinum-loaded TiO2: The effect of ultrasound and °OH/hole scavengers. Chemosphere, 162(Nov.): 324-332.
Published
2018-09-12
How to Cite
MOREIRA, Ailton José; CAMPOS, Lilian Oliveira; FRESCHI, Gian Paulo Giovanni.
Application of mercury discharge lamp without electrode for degradation of paracetamol.
Acta Brasiliensis, [S.l.], v. 2, n. 3, p. 100-105, sep. 2018.
ISSN 2526-4338.
Available at: <http://revistas.ufcg.edu.br/actabra/index.php/actabra/article/view/110>. Date accessed: 26 may 2025.
doi: https://doi.org/10.22571/2526-4338110.
Section
Environmental Chemistry
