Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures
In this research, the degradation of Dazomet has been studied by using thermal Fenton process and photo-Fenton processes under UV and lights sun. The optimum values of amounts of the Fenton reagents have been determined (0.07g FeSO4 .7H2O, 3.5µl H2O2) at 25 °C and at pH 7 where the degradation perce...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | Arabic |
| Published: |
College of Science for Women, University of Baghdad
2018-06-01
|
| Series: | Baghdad Science Journal |
| Subjects: | |
| Online Access: | http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2456 |
| _version_ | 1811206641947770880 |
|---|---|
| author | Baghdad Science Journal |
| author_facet | Baghdad Science Journal |
| author_sort | Baghdad Science Journal |
| collection | DOAJ |
| description | In this research, the degradation of Dazomet has been studied by using thermal Fenton process and photo-Fenton processes under UV and lights sun. The optimum values of amounts of the Fenton reagents have been determined (0.07g FeSO4 .7H2O, 3.5µl H2O2) at 25 °C and at pH 7 where the degradation percentages of Dazomet were recorded high. It has been found that solar photo Fenton process was more effective in degradation of Dazomet than photo-Fenton under UV-light and thermal Fenton processes, the percentage of degradation of Dazomet by photo-Fenton under sun light are 88% and 100% at 249 nm and 281 nm respectively, while the percentages of degradation for photo-Fenton under UV-light are 87%, 96% and for thermal Fenton are 70% and 66.8% at 249 nm and 281 nm respectively. In this research the effect of temperature on all the reactions has been studied in the range 25°C-45°C, it has been noticed that the reaction rate constant (k) has increased with increasing temperature, and the best percentage degradation of Dazomet was at 45°C in all processes, so, the thermodynamic functions ?G*, ?H*, ?S* have been calculated |
| first_indexed | 2024-04-12T03:50:35Z |
| format | Article |
| id | doaj.art-366086095e1b4c04ac1f83845707a51c |
| institution | Directory Open Access Journal |
| issn | 2078-8665 2411-7986 |
| language | Arabic |
| last_indexed | 2024-04-12T03:50:35Z |
| publishDate | 2018-06-01 |
| publisher | College of Science for Women, University of Baghdad |
| record_format | Article |
| series | Baghdad Science Journal |
| spelling | doaj.art-366086095e1b4c04ac1f83845707a51c2022-12-22T03:48:59ZaraCollege of Science for Women, University of BaghdadBaghdad Science Journal2078-86652411-79862018-06-0115210.21123/bsj.15.2.158-168Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different TemperaturesBaghdad Science JournalIn this research, the degradation of Dazomet has been studied by using thermal Fenton process and photo-Fenton processes under UV and lights sun. The optimum values of amounts of the Fenton reagents have been determined (0.07g FeSO4 .7H2O, 3.5µl H2O2) at 25 °C and at pH 7 where the degradation percentages of Dazomet were recorded high. It has been found that solar photo Fenton process was more effective in degradation of Dazomet than photo-Fenton under UV-light and thermal Fenton processes, the percentage of degradation of Dazomet by photo-Fenton under sun light are 88% and 100% at 249 nm and 281 nm respectively, while the percentages of degradation for photo-Fenton under UV-light are 87%, 96% and for thermal Fenton are 70% and 66.8% at 249 nm and 281 nm respectively. In this research the effect of temperature on all the reactions has been studied in the range 25°C-45°C, it has been noticed that the reaction rate constant (k) has increased with increasing temperature, and the best percentage degradation of Dazomet was at 45°C in all processes, so, the thermodynamic functions ?G*, ?H*, ?S* have been calculatedhttp://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2456Fenton processes, Dazomet degradation, photocatalysts, Photodegradation of Pesticides. |
| spellingShingle | Baghdad Science Journal Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures Baghdad Science Journal Fenton processes, Dazomet degradation, photocatalysts, Photodegradation of Pesticides. |
| title | Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures |
| title_full | Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures |
| title_fullStr | Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures |
| title_full_unstemmed | Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures |
| title_short | Degradation of Dazomet by Thermal Fenton and Photo-Fenton Processes under UV and Sun lights at Different Temperatures |
| title_sort | degradation of dazomet by thermal fenton and photo fenton processes under uv and sun lights at different temperatures |
| topic | Fenton processes, Dazomet degradation, photocatalysts, Photodegradation of Pesticides. |
| url | http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2456 |
| work_keys_str_mv | AT baghdadsciencejournal degradationofdazometbythermalfentonandphotofentonprocessesunderuvandsunlightsatdifferenttemperatures |