Jianhua Wang, Wenchao Feng, Jian Lu, Jun Wu, Wenxin Cao, Jianbai Zhang, Cui Zhang, Bing Hu, Wensheng Li
{"title":"用锰矿去除沿海水产养殖源水中的 Fe2+:批量实验和突破曲线建模。","authors":"Jianhua Wang, Wenchao Feng, Jian Lu, Jun Wu, Wenxin Cao, Jianbai Zhang, Cui Zhang, Bing Hu, Wensheng Li","doi":"10.1002/wer.11147","DOIUrl":null,"url":null,"abstract":"<p><p>Excessive Fe<sup>2+</sup> in coastal aquaculture source water will seriously affect the aquaculture development. This study used manganese sand to investigate the removal potential and mechanism of Fe<sup>2+</sup> in coastal aquaculture source water by column experiments. The pseudo-first-order kinetic model could better describe Fe<sup>2+</sup> removal process with R<sup>2</sup> in the range of 0.9451-0.9911. More than 99.7% of Fe<sup>2+</sup> could be removed within 120 min while the removal rate (k) was positively affected by low initial concentration of Fe<sup>2+</sup>, high temperature, and low pH. Logistic growth (S-shaped growth) model could better fit the concentration variation of Fe<sup>2+</sup> in the effluent of the column (R<sup>2</sup>>0.99). The Fe<sup>2</sup> breakthrough curve could be fitted by Bohart-Adams, Yoon-Nelson, and Thomas models (R<sup>2</sup>>0.95). Smooth slices with irregular shapes existed on the surface of manganese sand after the reaction while Fe content increased significantly on the surface of manganese sand after the column experiment. Moreover, FeO (OH) was mainly formed on the surface of manganese sand after the reaction. PRACTITIONER POINTS: Fe<sup>2+</sup> in coastal aquaculture source water could be removed by manganese ores. The pseudo-first-order kinetic model better described the Fe<sup>2+</sup> removal process. FeO (OH) was mainly formed on the surface of manganese sand after the reaction.</p>","PeriodicalId":23621,"journal":{"name":"Water Environment Research","volume":null,"pages":null},"PeriodicalIF":2.5000,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Removal of Fe<sup>2+</sup> in coastal aquaculture source water by manganese ores: Batch experiments and breakthrough curve modeling.\",\"authors\":\"Jianhua Wang, Wenchao Feng, Jian Lu, Jun Wu, Wenxin Cao, Jianbai Zhang, Cui Zhang, Bing Hu, Wensheng Li\",\"doi\":\"10.1002/wer.11147\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Excessive Fe<sup>2+</sup> in coastal aquaculture source water will seriously affect the aquaculture development. This study used manganese sand to investigate the removal potential and mechanism of Fe<sup>2+</sup> in coastal aquaculture source water by column experiments. The pseudo-first-order kinetic model could better describe Fe<sup>2+</sup> removal process with R<sup>2</sup> in the range of 0.9451-0.9911. More than 99.7% of Fe<sup>2+</sup> could be removed within 120 min while the removal rate (k) was positively affected by low initial concentration of Fe<sup>2+</sup>, high temperature, and low pH. Logistic growth (S-shaped growth) model could better fit the concentration variation of Fe<sup>2+</sup> in the effluent of the column (R<sup>2</sup>>0.99). The Fe<sup>2</sup> breakthrough curve could be fitted by Bohart-Adams, Yoon-Nelson, and Thomas models (R<sup>2</sup>>0.95). Smooth slices with irregular shapes existed on the surface of manganese sand after the reaction while Fe content increased significantly on the surface of manganese sand after the column experiment. Moreover, FeO (OH) was mainly formed on the surface of manganese sand after the reaction. PRACTITIONER POINTS: Fe<sup>2+</sup> in coastal aquaculture source water could be removed by manganese ores. The pseudo-first-order kinetic model better described the Fe<sup>2+</sup> removal process. FeO (OH) was mainly formed on the surface of manganese sand after the reaction.</p>\",\"PeriodicalId\":23621,\"journal\":{\"name\":\"Water Environment Research\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2024-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Water Environment Research\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://doi.org/10.1002/wer.11147\",\"RegionNum\":4,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENGINEERING, ENVIRONMENTAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Water Environment Research","FirstCategoryId":"93","ListUrlMain":"https://doi.org/10.1002/wer.11147","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ENVIRONMENTAL","Score":null,"Total":0}
Removal of Fe2+ in coastal aquaculture source water by manganese ores: Batch experiments and breakthrough curve modeling.
Excessive Fe2+ in coastal aquaculture source water will seriously affect the aquaculture development. This study used manganese sand to investigate the removal potential and mechanism of Fe2+ in coastal aquaculture source water by column experiments. The pseudo-first-order kinetic model could better describe Fe2+ removal process with R2 in the range of 0.9451-0.9911. More than 99.7% of Fe2+ could be removed within 120 min while the removal rate (k) was positively affected by low initial concentration of Fe2+, high temperature, and low pH. Logistic growth (S-shaped growth) model could better fit the concentration variation of Fe2+ in the effluent of the column (R2>0.99). The Fe2 breakthrough curve could be fitted by Bohart-Adams, Yoon-Nelson, and Thomas models (R2>0.95). Smooth slices with irregular shapes existed on the surface of manganese sand after the reaction while Fe content increased significantly on the surface of manganese sand after the column experiment. Moreover, FeO (OH) was mainly formed on the surface of manganese sand after the reaction. PRACTITIONER POINTS: Fe2+ in coastal aquaculture source water could be removed by manganese ores. The pseudo-first-order kinetic model better described the Fe2+ removal process. FeO (OH) was mainly formed on the surface of manganese sand after the reaction.
期刊介绍:
Published since 1928, Water Environment Research (WER) is an international multidisciplinary water resource management journal for the dissemination of fundamental and applied research in all scientific and technical areas related to water quality and resource recovery. WER''s goal is to foster communication and interdisciplinary research between water sciences and related fields such as environmental toxicology, agriculture, public and occupational health, microbiology, and ecology. In addition to original research articles, short communications, case studies, reviews, and perspectives are encouraged.