{"title":"点击化学诱导的共价有机框架/纤维素气凝胶改性用于去除染料和重金属离子","authors":"Yunfeng Guo, Weihua Gong, Linlin Zhao, Yanxiao Yang, Xiaoqian Zhou, Zefang Xiao, Yanjun Xie, Yonggui Wang","doi":"10.1007/s10570-024-06161-8","DOIUrl":null,"url":null,"abstract":"<div><p>In the context of sustainable development, the escalating need for hazardous wastewater treatment underscores the importance of developing innovative cellulose adsorbents for pollutant removal and separation. This study introduces a novel aerogel composed of a vinyl-functional covalent organic framework (COFs) and cellulose nanofibrils synthesized via in situ growth of COFs on aminated cellulose nanofibers (ACNFs). The aerogel’s surface is enriched with active functional groups (hydroxyl, amino, aldehyde, benzene, etc.), enabling diverse physical and chemical interactions with pollutants. Furthermore, a simple post-modification strategy involving thiol-ene click reactions was employed to modify the surface vinyl groups, resulting in two new aerogels (ACNF/COF-COOH and ACNF/COF-SH) to enhance interactions with different aqueous pollutants, specifically by targeting the removal of cationic dyes such as methylene blue (MB) and heavy metals. ACNF/COF-COOH aerogel exhibited a maximum adsorption capacity of 563.0 mg/g for MB, while ACNF/COF-SH aerogel demonstrated high selectivity for heavy metal ion removal, with a mercury ion (Hg<sup>2+</sup>) distribution coefficient (K<sub>d</sub>) of 22,782.0 mL/g. This novel cellulose-based aerogel offers significant potential for removing pollutants from water bodies.</p></div>","PeriodicalId":511,"journal":{"name":"Cellulose","volume":null,"pages":null},"PeriodicalIF":4.9000,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Click chemistry-induced modification of covalent organic framework/cellulose aerogels for removal of dye and heavy metal ions\",\"authors\":\"Yunfeng Guo, Weihua Gong, Linlin Zhao, Yanxiao Yang, Xiaoqian Zhou, Zefang Xiao, Yanjun Xie, Yonggui Wang\",\"doi\":\"10.1007/s10570-024-06161-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In the context of sustainable development, the escalating need for hazardous wastewater treatment underscores the importance of developing innovative cellulose adsorbents for pollutant removal and separation. This study introduces a novel aerogel composed of a vinyl-functional covalent organic framework (COFs) and cellulose nanofibrils synthesized via in situ growth of COFs on aminated cellulose nanofibers (ACNFs). The aerogel’s surface is enriched with active functional groups (hydroxyl, amino, aldehyde, benzene, etc.), enabling diverse physical and chemical interactions with pollutants. Furthermore, a simple post-modification strategy involving thiol-ene click reactions was employed to modify the surface vinyl groups, resulting in two new aerogels (ACNF/COF-COOH and ACNF/COF-SH) to enhance interactions with different aqueous pollutants, specifically by targeting the removal of cationic dyes such as methylene blue (MB) and heavy metals. ACNF/COF-COOH aerogel exhibited a maximum adsorption capacity of 563.0 mg/g for MB, while ACNF/COF-SH aerogel demonstrated high selectivity for heavy metal ion removal, with a mercury ion (Hg<sup>2+</sup>) distribution coefficient (K<sub>d</sub>) of 22,782.0 mL/g. This novel cellulose-based aerogel offers significant potential for removing pollutants from water bodies.</p></div>\",\"PeriodicalId\":511,\"journal\":{\"name\":\"Cellulose\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":4.9000,\"publicationDate\":\"2024-09-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Cellulose\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s10570-024-06161-8\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, PAPER & WOOD\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Cellulose","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s10570-024-06161-8","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, PAPER & WOOD","Score":null,"Total":0}
Click chemistry-induced modification of covalent organic framework/cellulose aerogels for removal of dye and heavy metal ions
In the context of sustainable development, the escalating need for hazardous wastewater treatment underscores the importance of developing innovative cellulose adsorbents for pollutant removal and separation. This study introduces a novel aerogel composed of a vinyl-functional covalent organic framework (COFs) and cellulose nanofibrils synthesized via in situ growth of COFs on aminated cellulose nanofibers (ACNFs). The aerogel’s surface is enriched with active functional groups (hydroxyl, amino, aldehyde, benzene, etc.), enabling diverse physical and chemical interactions with pollutants. Furthermore, a simple post-modification strategy involving thiol-ene click reactions was employed to modify the surface vinyl groups, resulting in two new aerogels (ACNF/COF-COOH and ACNF/COF-SH) to enhance interactions with different aqueous pollutants, specifically by targeting the removal of cationic dyes such as methylene blue (MB) and heavy metals. ACNF/COF-COOH aerogel exhibited a maximum adsorption capacity of 563.0 mg/g for MB, while ACNF/COF-SH aerogel demonstrated high selectivity for heavy metal ion removal, with a mercury ion (Hg2+) distribution coefficient (Kd) of 22,782.0 mL/g. This novel cellulose-based aerogel offers significant potential for removing pollutants from water bodies.
期刊介绍:
Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.