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Removal of xenobiotics from wastewaters using photolysis under sun-light irradiation: experimental approach and process design

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2022
bitstream_2173.pdf (866.9Kb)
Authors
Jovanović, Aleksandar
Bugarčić, Mladen
Knežević, Nataša
Bošnjaković, Jovana
Lukić, Jelena
Onjia, Antonije
Marinković, Aleksandar
Contributors
Malinović, Borislav
Conference object (Published version)
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Abstract
Conventional wastewater treatment processes are increasingly difficult to fulfill strict standards of achieving the required quality. Therefore, it is necessary to apply processes that in an efficient and economically justified way reach the necessary limits in order to discharge wastewater into the recipient. The process of photolysis represents the degradation of the starting pollutant practically to water and carbon dioxide. The whole process takes place under the action of a UV lamp that imitated solar irradiation. The process is environmentally justified since, unlike some other advanced oxidation processes - AOPs, there is no use of additional, hazardous, chemicals which possibly results in the precipitates formation that are leading to further treatment. In this paper, photolytic degradation of pesticide thiophanate methyl was performed in doubled wall quartz reactor equipped with a thermoregulation system. Reaction was forced under Osram ULTRA VITALUX UV lamp (300W). ...Kinetics of photodecomposition process was followed by pseudo-first order. In certain time periods, specimens were sampled, filtered and monitored by UV spectrophotometer Shimadzu 1800 with an aim to determine the concentration of xenobiotic. Complete degradation of present xenobiotics was obtained after 240 min. With an aim to enhance the degradation process, hydrogen peroxide was added as a boosting agent which cause a shortening in demanded time (150 min) for complete degradation. Verification of the success of decomposition was confirmed by the obtained values of chemical oxygen demand (COD), which reveal that the established system has a basis for real application in industrial or municipal wastewater.

Keywords:
wastewater treatment / pesticide degradation / photolysis / AOPs / COD
Source:
XIV CONFERENCE OF CHEMISTS, TECHNOLOGISTS AND ENVIRONMENTALISTS OF REPUBLIC OF SRPSKA, 2022, 206-210
Publisher:
  • Banja Luka : University in Banja Luka, Faculty of Technology
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200023 (Institute of Technology of Nuclear and Other Mineral Row Materials - ITNMS, Belgrade) (RS-200023)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-200135)

ISBN: 978-99938-54-98-2

[ Google Scholar ]
URI
https://ritnms.itnms.ac.rs/handle/123456789/1001
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovina
TY  - CONF
AU  - Jovanović, Aleksandar
AU  - Bugarčić, Mladen
AU  - Knežević, Nataša
AU  - Bošnjaković, Jovana
AU  - Lukić, Jelena
AU  - Onjia, Antonije
AU  - Marinković, Aleksandar
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1001
AB  - Conventional wastewater treatment processes are increasingly difficult to fulfill strict standards of
achieving the required quality. Therefore, it is necessary to apply processes that in an efficient and
economically justified way reach the necessary limits in order to discharge wastewater into the
recipient. The process of photolysis represents the degradation of the starting pollutant practically to
water and carbon dioxide. The whole process takes place under the action of a UV lamp that imitated
solar irradiation. The process is environmentally justified since, unlike some other advanced
oxidation processes - AOPs, there is no use of additional, hazardous, chemicals which possibly results
in the precipitates formation that are leading to further treatment. In this paper, photolytic degradation
of pesticide thiophanate methyl was performed in doubled wall quartz reactor equipped with a
thermoregulation system. Reaction was forced under Osram ULTRA VITALUX UV lamp (300W).
Kinetics of photodecomposition process was followed by pseudo-first order. In certain time periods,
specimens were sampled, filtered and monitored by UV spectrophotometer Shimadzu 1800 with an
aim to determine the concentration of xenobiotic. Complete degradation of present xenobiotics was
obtained after 240 min. With an aim to enhance the degradation process, hydrogen peroxide was
added as a boosting agent which cause a shortening in demanded time (150 min) for complete
degradation. Verification of the success of decomposition was confirmed by the obtained values of
chemical oxygen demand (COD), which reveal that the established system has a basis for real
application in industrial or municipal wastewater.
PB  - Banja Luka : University in Banja Luka, Faculty of Technology
C3  - XIV CONFERENCE OF CHEMISTS, TECHNOLOGISTS AND ENVIRONMENTALISTS OF REPUBLIC OF SRPSKA
T1  - Removal of xenobiotics from wastewaters using photolysis under sun-light irradiation: experimental approach and process design
EP  - 210
SP  - 206
ER  - 
@conference{
author = "Jovanović, Aleksandar and Bugarčić, Mladen and Knežević, Nataša and Bošnjaković, Jovana and Lukić, Jelena and Onjia, Antonije and Marinković, Aleksandar",
year = "2022",
abstract = "Conventional wastewater treatment processes are increasingly difficult to fulfill strict standards of
achieving the required quality. Therefore, it is necessary to apply processes that in an efficient and
economically justified way reach the necessary limits in order to discharge wastewater into the
recipient. The process of photolysis represents the degradation of the starting pollutant practically to
water and carbon dioxide. The whole process takes place under the action of a UV lamp that imitated
solar irradiation. The process is environmentally justified since, unlike some other advanced
oxidation processes - AOPs, there is no use of additional, hazardous, chemicals which possibly results
in the precipitates formation that are leading to further treatment. In this paper, photolytic degradation
of pesticide thiophanate methyl was performed in doubled wall quartz reactor equipped with a
thermoregulation system. Reaction was forced under Osram ULTRA VITALUX UV lamp (300W).
Kinetics of photodecomposition process was followed by pseudo-first order. In certain time periods,
specimens were sampled, filtered and monitored by UV spectrophotometer Shimadzu 1800 with an
aim to determine the concentration of xenobiotic. Complete degradation of present xenobiotics was
obtained after 240 min. With an aim to enhance the degradation process, hydrogen peroxide was
added as a boosting agent which cause a shortening in demanded time (150 min) for complete
degradation. Verification of the success of decomposition was confirmed by the obtained values of
chemical oxygen demand (COD), which reveal that the established system has a basis for real
application in industrial or municipal wastewater.",
publisher = "Banja Luka : University in Banja Luka, Faculty of Technology",
journal = "XIV CONFERENCE OF CHEMISTS, TECHNOLOGISTS AND ENVIRONMENTALISTS OF REPUBLIC OF SRPSKA",
title = "Removal of xenobiotics from wastewaters using photolysis under sun-light irradiation: experimental approach and process design",
pages = "210-206"
}
Jovanović, A., Bugarčić, M., Knežević, N., Bošnjaković, J., Lukić, J., Onjia, A.,& Marinković, A.. (2022). Removal of xenobiotics from wastewaters using photolysis under sun-light irradiation: experimental approach and process design. in XIV CONFERENCE OF CHEMISTS, TECHNOLOGISTS AND ENVIRONMENTALISTS OF REPUBLIC OF SRPSKA
Banja Luka : University in Banja Luka, Faculty of Technology., 206-210.
Jovanović A, Bugarčić M, Knežević N, Bošnjaković J, Lukić J, Onjia A, Marinković A. Removal of xenobiotics from wastewaters using photolysis under sun-light irradiation: experimental approach and process design. in XIV CONFERENCE OF CHEMISTS, TECHNOLOGISTS AND ENVIRONMENTALISTS OF REPUBLIC OF SRPSKA. 2022;:206-210..
Jovanović, Aleksandar, Bugarčić, Mladen, Knežević, Nataša, Bošnjaković, Jovana, Lukić, Jelena, Onjia, Antonije, Marinković, Aleksandar, "Removal of xenobiotics from wastewaters using photolysis under sun-light irradiation: experimental approach and process design" in XIV CONFERENCE OF CHEMISTS, TECHNOLOGISTS AND ENVIRONMENTALISTS OF REPUBLIC OF SRPSKA (2022):206-210.

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