{"title":"超声辅助吸附去除亚甲基蓝的蚯蚓堆肥水炭性能研究","authors":"Eyup Yildirir","doi":"10.1007/s11696-024-03777-9","DOIUrl":null,"url":null,"abstract":"<div><p>This study investigated the ultrasound-assisted adsorption of methylene blue (MB) onto vermicompost (VC) derived hydrochars prepared at different hydrothermal treatment temperatures (220, 250, and 280 °C). The effects of pH, time, and initial concentration on the adsorption process were evaluated. The kinetic and isotherm models were applied to fit the experimental data. The results showed that the VC hydrochars exhibited superior adsorption capacity for MB under alkaline conditions. The adsorption process was influenced by chemical interactions between the MB molecules and the surface of hydrochars, and the adsorption process was irreversible chemisorption. VC220 hydrochar demonstrated the highest adsorption capacity for MB, followed by VC250 and VC280 hydrochars. The Pseudo Second Order kinetic model and Langmuir isotherm model provided the best fits to the experimental data. This suggests that the adsorption of MB onto VC hydrochars follows a second-order reaction mechanism and monolayer adsorption process with high adsorption capacities.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"235 - 245"},"PeriodicalIF":2.5000,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Performance of vermicompost derived hydrochars for methylene blue removal via ultrasound assisted adsorption\",\"authors\":\"Eyup Yildirir\",\"doi\":\"10.1007/s11696-024-03777-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>This study investigated the ultrasound-assisted adsorption of methylene blue (MB) onto vermicompost (VC) derived hydrochars prepared at different hydrothermal treatment temperatures (220, 250, and 280 °C). The effects of pH, time, and initial concentration on the adsorption process were evaluated. The kinetic and isotherm models were applied to fit the experimental data. The results showed that the VC hydrochars exhibited superior adsorption capacity for MB under alkaline conditions. The adsorption process was influenced by chemical interactions between the MB molecules and the surface of hydrochars, and the adsorption process was irreversible chemisorption. VC220 hydrochar demonstrated the highest adsorption capacity for MB, followed by VC250 and VC280 hydrochars. The Pseudo Second Order kinetic model and Langmuir isotherm model provided the best fits to the experimental data. This suggests that the adsorption of MB onto VC hydrochars follows a second-order reaction mechanism and monolayer adsorption process with high adsorption capacities.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":513,\"journal\":{\"name\":\"Chemical Papers\",\"volume\":\"79 1\",\"pages\":\"235 - 245\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2024-11-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chemical Papers\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11696-024-03777-9\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"Engineering\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Papers","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s11696-024-03777-9","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Engineering","Score":null,"Total":0}
Performance of vermicompost derived hydrochars for methylene blue removal via ultrasound assisted adsorption
This study investigated the ultrasound-assisted adsorption of methylene blue (MB) onto vermicompost (VC) derived hydrochars prepared at different hydrothermal treatment temperatures (220, 250, and 280 °C). The effects of pH, time, and initial concentration on the adsorption process were evaluated. The kinetic and isotherm models were applied to fit the experimental data. The results showed that the VC hydrochars exhibited superior adsorption capacity for MB under alkaline conditions. The adsorption process was influenced by chemical interactions between the MB molecules and the surface of hydrochars, and the adsorption process was irreversible chemisorption. VC220 hydrochar demonstrated the highest adsorption capacity for MB, followed by VC250 and VC280 hydrochars. The Pseudo Second Order kinetic model and Langmuir isotherm model provided the best fits to the experimental data. This suggests that the adsorption of MB onto VC hydrochars follows a second-order reaction mechanism and monolayer adsorption process with high adsorption capacities.
Chemical PapersChemical Engineering-General Chemical Engineering
CiteScore
3.30
自引率
4.50%
发文量
590
期刊介绍：
Chemical Papers is a peer-reviewed, international journal devoted to basic and applied chemical research. It has a broad scope covering the chemical sciences, but favors interdisciplinary research and studies that bring chemistry together with other disciplines.
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