Article(id=1314922115787223244, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922077824578469, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1751990400000, receivedDateStr=2025-07-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791431462474, onlineDateStr=2026-10-08, pubDate=1771516800000, pubDateStr=2026-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791431462474, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791431462474, creator=13701087609, updateTime=1791431462474, updator=13701087609, issue=Issue{id=1314922077824578469, tenantId=1146029695717560320, journalId=1234093305789726721, year='2026', volume='46', issue='2', pageStart='593', pageEnd='1184', issueExtLink='null', onlineDate='null', pubDate='1771516800000', pubDateStr='2026-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791431453424, creator='13701087609', updateTime=1791431520751, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314922360277398376, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922077824578469, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314922360277398377, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922077824578469, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=809, endPage=820, ext={EN=ArticleExt(id=1314922116215042253, articleId=1314922115787223244, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=Study on the adsorption performance of PAN/PEI nanofiber membranes for aqueous PFOA, columnId=1234106386360103680, journalTitle=China Environmental Science, columnName=Water Pollution Control, runingTitle=null, highlight=null, articleAbstract=

Polyacrylonitrile (PAN)/polyethyleneimine (PEI) composite nanofiber membranes fabricated via electrospinning were systematically investigated for their adsorption performance and mechanisms toward perfluorooctanoic acid (PFOA). Results showed that when PEI content was 3%, the material achieved the highest saturated adsorption capacity of 1145.55mg/g for PFOA, significantly exceeding samples with lower PEI contents. The adsorption process adhered to the Langmuir monolayer adsorption model, with optimal efficiency observed under acidic conditions (pH = 3), primarily relying on electrostatic interactions between protonated PEI amines and PFOA. Coexisting humic acid (HA) and ions (e.g., Ca²⁺, Mg²⁺, Fe³⁺, HCO₃^-, SO₄^2-) exhibited inhibitory effects, while elevated PEI content enhanced the materials' resistance to interference. Using 0.3mol/L NaCl in 90% methanol as the desorbent, the material retained 88.32% adsorption efficiency after five adsorption-desorption cycles, demonstrating excellent recyclability. Combined analyses of material characterization and adsorption performance indicated that the primary mechanisms were electrostatic interactions, supplemented by hydrophobic interaction.

, authors=Kun-zhen HE^{1, 2}, Yan LIU^{1, 2}, Xing XING², Jing-yuan LI², Jing WANG^{2, *}, authorsList=Kun-zhen HE, Yan LIU, Xing XING, Jing-yuan LI, Jing WANG, authorCompany=null, correspAuthors=Jing WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314922116668027086, articleId=1314922115787223244, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=PAN/PEI纳米纤维膜吸附水中PFOA性能研究, columnId=1234106386565624579, journalTitle=中国环境科学, columnName=水污染与控制, runingTitle=null, highlight=null, articleAbstract=

通过静电纺丝技术制备聚丙烯腈（PAN）/聚乙烯亚胺（PEI）复合纳米纤维膜，系统探究其对全氟辛酸（PFOA）的吸附性能及机制．结果表明，当PEI掺杂量为3%时，材料对PFOA的饱和吸附容量达1145.55mg/g，显著优于低PEI含量样品．吸附过程符合Langmuir单层吸附模型，且在酸性条件下（pH=3）吸附率最高，主要依赖PEI质子化胺基与PFOA的静电相互作用．共存腐植酸（HA）和阴阳离子（如Ca²⁺，Mg²⁺，Fe³⁺，HCO₃^-，SO₄^2-）对吸附有一定抑制作用，但高PEI含量可增强材料抗干扰能力．采用90%甲醇联合0.3mol/L NaCl作为脱附剂，经5次吸附-脱附循环后，材料仍保持88.32%的吸附效率，展现出优异的可重复使用性．结合材料表征和吸附性能分析，推测表明，吸附机制以静电相互作用为主，辅以疏水相互作用．

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贺坤振（2001-），男，河南南阳人，河南大学化学与分子科学学院硕士研究生，研究方向为功能纤维材料处理水中的PFAS．15737786498@163.com.

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贺坤振（2001-），男，河南南阳人，河南大学化学与分子科学学院硕士研究生，研究方向为功能纤维材料处理水中的PFAS．15737786498@163.com.

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