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| author_facet |
Aldeguer Esquerdo, Alejandro Varo Galvañ, Pedro José Sentana Gadea, Irene Prats Rico, Daniel Aldeguer Esquerdo, Alejandro Varo Galvañ, Pedro José Sentana Gadea, Irene Prats Rico, Daniel |
|---|---|
| author |
Aldeguer Esquerdo, Alejandro Varo Galvañ, Pedro José Sentana Gadea, Irene Prats Rico, Daniel |
| spellingShingle |
Aldeguer Esquerdo, Alejandro Varo Galvañ, Pedro José Sentana Gadea, Irene Prats Rico, Daniel Water Activated Carbon and Ozone to Reduce Simazine in Water Water Science and Technology Aquatic Science Geography, Planning and Development Biochemistry |
| author_sort |
aldeguer esquerdo, alejandro |
| spelling |
Aldeguer Esquerdo, Alejandro Varo Galvañ, Pedro José Sentana Gadea, Irene Prats Rico, Daniel 2073-4441 MDPI AG Water Science and Technology Aquatic Science Geography, Planning and Development Biochemistry http://dx.doi.org/10.3390/w12102900 <jats:p>In this study, the reduction of the pesticide simazine at an initial concentration of 0.7 mg L−1 in water has been investigated using two different technologies: adsorption with powdered and granulated activated carbon, advanced oxidation processes with ozone and finally, the combination of both technologies. The results obtained for a carbon dose of 16 mg L−1 show that powdered activated carbon, with contact times of 60 min, obtained 81% of reduction and in 24 h 92%, while granulated activated carbon at 60 min obtained a reduction of 2%, rising to 34% after 24 h of contact time. Therefore, powdered activated carbon achieves better reductions compared to granulated; when ozone was applied at a dose of 19.7 mg L−1, with a reaction time of 18 min, a reduction of 93% was obtained, achieving a better reduction in less time than with adsorption treatments; however, during oxidation, by-products of simazine were produced. In the combined treatments, with the same doses of carbon and ozone mentioned above, the treatment that starts with ozone followed by activated carbon powder is recommended due to the adsorption in the last phase reaching a 90% reduction of the simazine and its by-products in 38 min of time.</jats:p> Activated Carbon and Ozone to Reduce Simazine in Water Water |
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10.3390/w12102900 |
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Online Free |
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MDPI AG, 2020 |
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MDPI AG, 2020 |
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2073-4441 |
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MDPI AG |
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| title |
Activated Carbon and Ozone to Reduce Simazine in Water |
| title_unstemmed |
Activated Carbon and Ozone to Reduce Simazine in Water |
| title_full |
Activated Carbon and Ozone to Reduce Simazine in Water |
| title_fullStr |
Activated Carbon and Ozone to Reduce Simazine in Water |
| title_full_unstemmed |
Activated Carbon and Ozone to Reduce Simazine in Water |
| title_short |
Activated Carbon and Ozone to Reduce Simazine in Water |
| title_sort |
activated carbon and ozone to reduce simazine in water |
| topic |
Water Science and Technology Aquatic Science Geography, Planning and Development Biochemistry |
| url |
http://dx.doi.org/10.3390/w12102900 |
| publishDate |
2020 |
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2900 |
| description |
<jats:p>In this study, the reduction of the pesticide simazine at an initial concentration of 0.7 mg L−1 in water has been investigated using two different technologies: adsorption with powdered and granulated activated carbon, advanced oxidation processes with ozone and finally, the combination of both technologies. The results obtained for a carbon dose of 16 mg L−1 show that powdered activated carbon, with contact times of 60 min, obtained 81% of reduction and in 24 h 92%, while granulated activated carbon at 60 min obtained a reduction of 2%, rising to 34% after 24 h of contact time. Therefore, powdered activated carbon achieves better reductions compared to granulated; when ozone was applied at a dose of 19.7 mg L−1, with a reaction time of 18 min, a reduction of 93% was obtained, achieving a better reduction in less time than with adsorption treatments; however, during oxidation, by-products of simazine were produced. In the combined treatments, with the same doses of carbon and ozone mentioned above, the treatment that starts with ozone followed by activated carbon powder is recommended due to the adsorption in the last phase reaching a 90% reduction of the simazine and its by-products in 38 min of time.</jats:p> |
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| author | Aldeguer Esquerdo, Alejandro, Varo Galvañ, Pedro José, Sentana Gadea, Irene, Prats Rico, Daniel |
| author_facet | Aldeguer Esquerdo, Alejandro, Varo Galvañ, Pedro José, Sentana Gadea, Irene, Prats Rico, Daniel, Aldeguer Esquerdo, Alejandro, Varo Galvañ, Pedro José, Sentana Gadea, Irene, Prats Rico, Daniel |
| author_sort | aldeguer esquerdo, alejandro |
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| description | <jats:p>In this study, the reduction of the pesticide simazine at an initial concentration of 0.7 mg L−1 in water has been investigated using two different technologies: adsorption with powdered and granulated activated carbon, advanced oxidation processes with ozone and finally, the combination of both technologies. The results obtained for a carbon dose of 16 mg L−1 show that powdered activated carbon, with contact times of 60 min, obtained 81% of reduction and in 24 h 92%, while granulated activated carbon at 60 min obtained a reduction of 2%, rising to 34% after 24 h of contact time. Therefore, powdered activated carbon achieves better reductions compared to granulated; when ozone was applied at a dose of 19.7 mg L−1, with a reaction time of 18 min, a reduction of 93% was obtained, achieving a better reduction in less time than with adsorption treatments; however, during oxidation, by-products of simazine were produced. In the combined treatments, with the same doses of carbon and ozone mentioned above, the treatment that starts with ozone followed by activated carbon powder is recommended due to the adsorption in the last phase reaching a 90% reduction of the simazine and its by-products in 38 min of time.</jats:p> |
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| spelling | Aldeguer Esquerdo, Alejandro Varo Galvañ, Pedro José Sentana Gadea, Irene Prats Rico, Daniel 2073-4441 MDPI AG Water Science and Technology Aquatic Science Geography, Planning and Development Biochemistry http://dx.doi.org/10.3390/w12102900 <jats:p>In this study, the reduction of the pesticide simazine at an initial concentration of 0.7 mg L−1 in water has been investigated using two different technologies: adsorption with powdered and granulated activated carbon, advanced oxidation processes with ozone and finally, the combination of both technologies. The results obtained for a carbon dose of 16 mg L−1 show that powdered activated carbon, with contact times of 60 min, obtained 81% of reduction and in 24 h 92%, while granulated activated carbon at 60 min obtained a reduction of 2%, rising to 34% after 24 h of contact time. Therefore, powdered activated carbon achieves better reductions compared to granulated; when ozone was applied at a dose of 19.7 mg L−1, with a reaction time of 18 min, a reduction of 93% was obtained, achieving a better reduction in less time than with adsorption treatments; however, during oxidation, by-products of simazine were produced. In the combined treatments, with the same doses of carbon and ozone mentioned above, the treatment that starts with ozone followed by activated carbon powder is recommended due to the adsorption in the last phase reaching a 90% reduction of the simazine and its by-products in 38 min of time.</jats:p> Activated Carbon and Ozone to Reduce Simazine in Water Water |
| spellingShingle | Aldeguer Esquerdo, Alejandro, Varo Galvañ, Pedro José, Sentana Gadea, Irene, Prats Rico, Daniel, Water, Activated Carbon and Ozone to Reduce Simazine in Water, Water Science and Technology, Aquatic Science, Geography, Planning and Development, Biochemistry |
| title | Activated Carbon and Ozone to Reduce Simazine in Water |
| title_full | Activated Carbon and Ozone to Reduce Simazine in Water |
| title_fullStr | Activated Carbon and Ozone to Reduce Simazine in Water |
| title_full_unstemmed | Activated Carbon and Ozone to Reduce Simazine in Water |
| title_short | Activated Carbon and Ozone to Reduce Simazine in Water |
| title_sort | activated carbon and ozone to reduce simazine in water |
| title_unstemmed | Activated Carbon and Ozone to Reduce Simazine in Water |
| topic | Water Science and Technology, Aquatic Science, Geography, Planning and Development, Biochemistry |
| url | http://dx.doi.org/10.3390/w12102900 |