Zehra Ordu, Pinar Belibagli, M. Yalvaç, H. Arslan, N. Dizge
Eggplant stems are among the most produced organic wastes. Unfortunately, the burning and irregular storage of these eggplant stems outdoors causes serious damage to both global air pollution and environmental pollution. Environmental impacts can be minimized by recycling eggplant stems, turning them into valuable products, and using them as valuable additives. In this study, water-binding capacity (WBC) and water-binding capacity in oil (WBCO) potential of eggplant stems were investigated. At the first step, optimization alkaline-treated of eggplant stems carried out. Alkaline-treated optimization parameters such as NaOH concentration (0.05, 0.125, and 0.2 M), temperature (20, 40, and 60 °C), and reaction time (30, 90, and 150 minutes) was investigated using response surface methodology (RSM). In the second step, both water holding capacity and water holding capacity in oil tests were performed for each experimental set. As a result of the experiments, 30.64 %, and 98.20% capacity efficiency respectively WBC, and WBOC were obtained for 0.125 M NaOH concentration, 60 °C temperature, and 150 minutes reaction time. In addition, eggplant stems have demonstrated the ability to effectively retain water for up to 5 cycles. The high water-binding capacity of eggplant stems in oil after alkali treatment shows that it can be a suitable and inexpensive candidate, especially for biodiesel purification and methane production.
{"title":"Optimization of water-binding capacity and water removal from oil by eggplant stems using response surfaces methodology","authors":"Zehra Ordu, Pinar Belibagli, M. Yalvaç, H. Arslan, N. Dizge","doi":"10.1680/jgrma.23.00050","DOIUrl":"https://doi.org/10.1680/jgrma.23.00050","url":null,"abstract":"Eggplant stems are among the most produced organic wastes. Unfortunately, the burning and irregular storage of these eggplant stems outdoors causes serious damage to both global air pollution and environmental pollution. Environmental impacts can be minimized by recycling eggplant stems, turning them into valuable products, and using them as valuable additives. In this study, water-binding capacity (WBC) and water-binding capacity in oil (WBCO) potential of eggplant stems were investigated. At the first step, optimization alkaline-treated of eggplant stems carried out. Alkaline-treated optimization parameters such as NaOH concentration (0.05, 0.125, and 0.2 M), temperature (20, 40, and 60 °C), and reaction time (30, 90, and 150 minutes) was investigated using response surface methodology (RSM). In the second step, both water holding capacity and water holding capacity in oil tests were performed for each experimental set. As a result of the experiments, 30.64 %, and 98.20% capacity efficiency respectively WBC, and WBOC were obtained for 0.125 M NaOH concentration, 60 °C temperature, and 150 minutes reaction time. In addition, eggplant stems have demonstrated the ability to effectively retain water for up to 5 cycles. The high water-binding capacity of eggplant stems in oil after alkali treatment shows that it can be a suitable and inexpensive candidate, especially for biodiesel purification and methane production.","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46088971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Le Green Deal est le nouveau contrat social","authors":"Laurence Tubiana","doi":"10.3917/green.003.0026","DOIUrl":"https://doi.org/10.3917/green.003.0026","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"250 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"De l’Europe aux villages, un témoignage","authors":"Fanny Lacroix","doi":"10.3917/green.003.0044","DOIUrl":"https://doi.org/10.3917/green.003.0044","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"“Je m’intéresse à l’Europe en tant que problème écologique.”","authors":"Bruno Latour","doi":"10.3917/green.003.0116","DOIUrl":"https://doi.org/10.3917/green.003.0116","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"La ville européenne dans la transition climatique","authors":"Paul Magnette","doi":"10.3917/green.003.0040","DOIUrl":"https://doi.org/10.3917/green.003.0040","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"La ‘justice climatique’ en Europe à l’aune du Pacte vert","authors":"Marta Torre-Schaub","doi":"10.3917/green.003.0050","DOIUrl":"https://doi.org/10.3917/green.003.0050","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés. Ouvrir la brèche : politique du monde post-carbone Pierre Charbonnier
{"title":"Ouvrir la brèche : politique du monde post-carbone","authors":"Pierre Charbonnier","doi":"10.3917/green.003.0087","DOIUrl":"https://doi.org/10.3917/green.003.0087","url":null,"abstract":"HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés. Ouvrir la brèche : politique du monde post-carbone Pierre Charbonnier","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135840484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Les pays les plus vulnérables au changement climatique sont ceux qui émettent le moins de CO 2","authors":"","doi":"10.3917/green.003.0064","DOIUrl":"https://doi.org/10.3917/green.003.0064","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"L’agroécologie au cœur du Pacte vert européen","authors":"Olivier De Schutter","doi":"10.3917/green.003.0023","DOIUrl":"https://doi.org/10.3917/green.003.0023","url":null,"abstract":"","PeriodicalId":12929,"journal":{"name":"Green Materials","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135998864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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