Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system
In this study, we focused on the synthesis of polymeric hydrogels that will support the sorption and controlled release of urea, which is a rich nitrogen source, from aqueous solutions and their usability in agricultural applications. N, N-Dimethylacrylamide (DMAAm) and Starch (St) were selected as...
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Kyrgyz Turkish Manas University
2022-12-01
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| Series: | MANAS: Journal of Engineering |
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| Online Access: | https://dergipark.org.tr/en/download/article-file/1837245 |
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| author | Mehmet Buyuk |
| author_facet | Mehmet Buyuk |
| author_sort | Mehmet Buyuk |
| collection | DOAJ |
| description | In this study, we focused on the synthesis of polymeric hydrogels that will support the sorption and controlled release of urea, which is a rich nitrogen source, from aqueous solutions and their usability in agricultural applications. N, N-Dimethylacrylamide (DMAAm) and Starch (St) were selected as monomers, and their superior properties, such as chemical stability, high sorption properties, biocompatibility, and the presence of modifiable groups, were utilized. A redox polymerization technique was used to create a poly(DMAAm-co-St)-based hydrogel that was then modified with acidic and basic agents to improve the properties of starch. The synthesized acid- and base-modified hydrogels were named DSt, DSt1, and DSt2, respectively. Swelling analyses were performed to examine the structural and morphological properties of DSt, DSt1, and DSt2 hydrogels, and Fourier-Transform Infrared Spectroscopy (FT-IR) and Thermogravimetric Analyzers (TGA) were used. Intense cross-linking, porosity, and the presence of hydrophilic groups were successfully detected by instrumental analysis and swelling results. The successful results of urea sorption by DSt, DSt1, and DSt2 hydrogels show that they can both minimize the harmful effects of urea in the environment and contain the nitrogen necessary for plants. At the same time, urea sorption behaviors were evaluated in terms of sorption isotherms and thermodynamic properties, and it was observed that urea sorption conformed to the Langmuir isotherm. The urea release results showed that DSt, DSt1, and DSt2 hydrogels exhibited different release properties in different pH solutions, and these results reached 94% at pH 6–8, 100% at pH 6, and 100% at pH 8–10, respectively. As a result of the gradual decrease in the water resources on the earth, the increase in the use of fertilizers in agricultural production, and the insufficient use of fertilizers, our study draws attention to the development and support of materials that absorb/store water, and forms of controlled release fertilizers and provides potential ease of application |
| format | Article |
| id | doaj-art-c6b3dbf1d1b44ba096d5d0434677e722 |
| institution | Kabale University |
| issn | 1694-7398 |
| language | English |
| publishDate | 2022-12-01 |
| publisher | Kyrgyz Turkish Manas University |
| record_format | Article |
| series | MANAS: Journal of Engineering |
| spelling | doaj-art-c6b3dbf1d1b44ba096d5d0434677e7222024-12-05T03:36:00ZengKyrgyz Turkish Manas UniversityMANAS: Journal of Engineering1694-73982022-12-0110217117810.51354/mjen.9559301437Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy systemMehmet Buyuk0https://orcid.org/0000-0003-3026-4034ADIYAMAN UNIVERSITYIn this study, we focused on the synthesis of polymeric hydrogels that will support the sorption and controlled release of urea, which is a rich nitrogen source, from aqueous solutions and their usability in agricultural applications. N, N-Dimethylacrylamide (DMAAm) and Starch (St) were selected as monomers, and their superior properties, such as chemical stability, high sorption properties, biocompatibility, and the presence of modifiable groups, were utilized. A redox polymerization technique was used to create a poly(DMAAm-co-St)-based hydrogel that was then modified with acidic and basic agents to improve the properties of starch. The synthesized acid- and base-modified hydrogels were named DSt, DSt1, and DSt2, respectively. Swelling analyses were performed to examine the structural and morphological properties of DSt, DSt1, and DSt2 hydrogels, and Fourier-Transform Infrared Spectroscopy (FT-IR) and Thermogravimetric Analyzers (TGA) were used. Intense cross-linking, porosity, and the presence of hydrophilic groups were successfully detected by instrumental analysis and swelling results. The successful results of urea sorption by DSt, DSt1, and DSt2 hydrogels show that they can both minimize the harmful effects of urea in the environment and contain the nitrogen necessary for plants. At the same time, urea sorption behaviors were evaluated in terms of sorption isotherms and thermodynamic properties, and it was observed that urea sorption conformed to the Langmuir isotherm. The urea release results showed that DSt, DSt1, and DSt2 hydrogels exhibited different release properties in different pH solutions, and these results reached 94% at pH 6–8, 100% at pH 6, and 100% at pH 8–10, respectively. As a result of the gradual decrease in the water resources on the earth, the increase in the use of fertilizers in agricultural production, and the insufficient use of fertilizers, our study draws attention to the development and support of materials that absorb/store water, and forms of controlled release fertilizers and provides potential ease of applicationhttps://dergipark.org.tr/en/download/article-file/1837245dc/dc converterinterleaved boost convertergrid-connected pv systemcurrent ripplethd. |
| spellingShingle | Mehmet Buyuk Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system MANAS: Journal of Engineering dc/dc converter interleaved boost converter grid-connected pv system current ripple thd. |
| title | Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system |
| title_full | Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system |
| title_fullStr | Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system |
| title_full_unstemmed | Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system |
| title_short | Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system |
| title_sort | investigation and analysis of interleaved dc dc boost converter for grid connected photovoltaic energy system |
| topic | dc/dc converter interleaved boost converter grid-connected pv system current ripple thd. |
| url | https://dergipark.org.tr/en/download/article-file/1837245 |
| work_keys_str_mv | AT mehmetbuyuk investigationandanalysisofinterleaveddcdcboostconverterforgridconnectedphotovoltaicenergysystem |