Article(id=1311349773664354354, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311349772552859828, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2025.06.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736524800000, receivedDateStr=2025-01-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790579749741, onlineDateStr=2026-09-28, pubDate=1766160000000, pubDateStr=2025-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790579749741, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790579749741, creator=13701087609, updateTime=1790579749741, updator=13701087609, issue=Issue{id=1311349772552859828, tenantId=1146029695717560320, journalId=1146120122248306696, year='2025', volume='44', issue='6', pageStart='707', pageEnd='838', issueExtLink='null', onlineDate='null', pubDate='1766160000000', pubDateStr='2025-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790579749477, creator='13701087609', updateTime=1790588567303, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386757267022261, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311349772552859828, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386757267022262, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311349772552859828, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=766, endPage=777, ext={EN=ArticleExt(id=1311349773899235379, articleId=1311349773664354354, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Adsorption and Removal of Iron from High-concentration Sulfuric Acid by Chelating Resin, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

Adsorption and removal of iron from high-concentration sulfuric acid solution using sulfonated phosphonic acid resin and amino phosphonic acid resin was studied. The influence of sulfuric acid concentration on the adsorption of Fe²⁺ and Fe³⁺ by the two resins was investigated. The adsorption kinetics and adsorption isotherms of Fe³⁺ were analyzed. The effects of hydrochloric acid concentration and different additives on the elution of Fe³⁺ were explored. The structural characteristics of the resin before and after adsorption were analyzed by infrared spectroscopy comparison. The results show that the adsorption capacities of the two resins for Fe³⁺ in high-concentration sulfuric acid solution are 30 mg/g and 25 mg/g, respectively, and they hardly adsorb Fe²⁺. The adsorption processes of Fe³⁺ by the two resins conform to the pseudo-second-order kinetic model and the Langmuir isothermal adsorption model. The reactions are endothermic and mainly chemical adsorption, which belongs to monolayer adsorption. High-concentration hydrochloric acid can desorb Fe³⁺ loaded on two types of resins, and acidic solutions with thiourea or ascorbic acid as additives can also achieve complete desorption of Fe³⁺ in sulfonated phosphonic acid resins. The results of infrared spectroscopy analysis show that the sulfonic acid and phosphate groups of sulfonated phosphonic acid resin, as well as the amino and phosphate groups of amino phosphonic acid resin, all participate in the adsorption of Fe³⁺. The method has a good effect on iron removal and has certain application prospects.

, authors=Dong XIA, Xiaoyun JIANG, Yanan YI, Zhiyun LI, Yaqian LIU, authorsList=Dong XIA, Xiaoyun JIANG, Yanan YI, Zhiyun LI, Yaqian LIU, authorCompany=null, correspAuthors=Xiaoyun JIANG, 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=1311349774293499956, articleId=1311349773664354354, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=用螯合树脂从高浓度硫酸溶液中吸附除铁试验研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

研究了分别采用磺化膦酸树脂和氨基膦酸树脂从高浓度硫酸溶液中吸附去除铁，考察了硫酸浓度对2种树脂吸附Fe²⁺和Fe³⁺的影响，分析了Fe³⁺的吸附动力学和吸附等温线，探究了盐酸浓度和不同添加剂对洗脱Fe³⁺的影响，并通过红外光谱对比分析了吸附前、后树脂的结构特征。结果表明：2种树脂对高浓度硫酸溶液中Fe³⁺的吸附量分别为30 mg/g和25 mg/g，几乎不吸附Fe²⁺；2种树脂对Fe³⁺的吸附过程符合伪二级动力学模型和Langmuir等温吸附模型，反应吸热，以化学吸附为主，属于单分子层吸附；采用高浓度盐酸能解吸2种负载树脂上的Fe³⁺，以硫脲或抗坏血酸为添加剂的酸性溶液也可实现磺化膦酸树脂中Fe³⁺的完全解吸；红外光谱分析结果表明，磺化膦酸树脂的磺酸基和磷酸基、氨基膦酸树脂的氨基和磷酸基均参与了Fe³⁺的吸附。该法除铁效果较好，具有一定应用前景。

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夏栋（1988—），男，本科，高级工程师，主要研究方向为湿法冶金、废水处理及资源回收。

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夏栋（1988—），男，本科，高级工程师，主要研究方向为湿法冶金、废水处理及资源回收。

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