Article(id=1304141638348067409, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141619603726817, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1009-3842.2026.01.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753027200000, receivedDateStr=2025-07-21, revisedDate=1765987200000, revisedDateStr=2025-12-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1788861196362, onlineDateStr=2026-09-08, pubDate=1772208000000, pubDateStr=2026-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788861196362, onlineIssueDateStr=2026-09-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788861196362, creator=13701087609, updateTime=1788861196362, updator=13701087609, issue=Issue{id=1304141619603726817, tenantId=1146029695717560320, journalId=1303687303576780880, year='2026', volume='', issue='1', pageStart='1', pageEnd='154', issueExtLink='null', onlineDate='null', pubDate='1772208000000', pubDateStr='2026-02-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1788861191893, creator='13701087609', updateTime=1788924965522, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1304409105645465969, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141619603726817, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1304409105645465970, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141619603726817, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=139, endPage=145, ext={EN=ArticleExt(id=1304141638566171218, articleId=1304141638348067409, tenantId=1146029695717560320, journalId=1303687303576780880, language=EN, title=Front-end Defluorination Process for Waste Acid from Non-ferrous Metal Smelting Flue Gas Purification, columnId=1304141580051436503, journalTitle=Copper Engineering, columnName=Extraction Metallurgy and Chemical Engineering, runingTitle=null, highlight=null, articleAbstract=

To address challenges of high fluoride concentration and strong corrosivity in waste acid from nonferrous metal smelting flue gas purification, which hinder the automation of treatment processes, a novel defluoridation reagent (JCFRR001) was developed. This study investigated the defluoridation performance of the proposed reagent. Results showed that the reagent exhibited good adaptability under fluctuating concentrations of sulfuric acid (5~55 g/L) and fluoride ions (F⁻, 5~25 g/L), achieving a consistent reduction of F⁻ to below 2.5 g/L in treated waste acid. Treatment of actual waste acid further demonstrated that, with initial F⁻ concentrations ranging from 5.6 to 18.4 g/L, the effluent F⁻ concentration decreased to 0.97~2.49 g/L after defluoridation. Resulting fluorite slag contained 77.47%~88.21% CaF₂ by mass, meeting the FF-75 grade requirements for fluorite concentrate (YB/T 5217—2019). Moreover, the study confirmed that the front-end defluoridation process had no significant impact on subsequent sulfide-based heavy metal removal process, thereby providing technical support for the automation of waste acid treatment systems.

, authors=Min ZHANG¹, Shenghong LIU², Jin NI¹, Chang HUANG¹, Hanyu LIN², Leibin CAO², authorsList=Min ZHANG, Shenghong LIU, Jin NI, Chang HUANG, Hanyu LIN, Leibin CAO, authorCompany=null, correspAuthors=Shenghong LIU, 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=1304141638943658579, articleId=1304141638348067409, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=有色金属冶炼烟气净化污酸前端除氟工艺研究, columnId=1304141580248568793, journalTitle=铜业工程, columnName=提取冶金与化学工程, runingTitle=null, highlight=null, articleAbstract=

针对有色金属冶炼烟气净化污酸中氟离子（F^–）浓度高、腐蚀性强，导致处理工艺难以自动化的问题，研发了一款污酸除氟药剂（JCFRR001）。该药剂在硫酸（H₂SO₄，5~55 g/L）和F^–（5~25 g/L）质量浓度波动条件下表现出良好的适应性，可将出水F^–质量浓度稳定控制在2.5 g/L以下。实际污酸处理结果表明，当初始F^–质量浓度为5.6~18.4 g/L时，除氟后出水F^–质量浓度降至0.97~2.49 g/L，所得除氟渣中氟化钙（CaF₂）质量分数为77.47%~88.21%，满足《萤石》（YB/T 5217—2019）中萤石矿粉FF-75品级要求。研究还证实，前端除氟工艺对后续硫化除重工艺无显著影响，为污酸处理系统的自动化改造提供了技术支撑。

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张敏（1992—），男，江西南丰人，博士，工程师，研究方向：矿山、冶炼废水处理与资源化利用，E-mail： minzhangjt@163.com

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张敏（1992—），男，江西南丰人，博士，工程师，研究方向：矿山、冶炼废水处理与资源化利用，E-mail： minzhangjt@163.com

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