Article(id=1305178410590957924, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.03.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1773763200000, receivedDateStr=2026-03-18, revisedDate=1775664000000, revisedDateStr=2026-04-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1789108382127, onlineDateStr=2026-09-11, pubDate=1781884800000, pubDateStr=2026-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789108382127, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789108382127, creator=13701087609, updateTime=1789108382127, updator=13701087609, issue=Issue{id=1305178373467169689, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='3', pageStart='273', pageEnd='454', issueExtLink='null', onlineDate='null', pubDate='1781884800000', pubDateStr='2026-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789108373275, creator='13701087609', updateTime=1789108489171, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305178859612168540, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305178859612168541, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=392, endPage=398, ext={EN=ArticleExt(id=1305178410800673125, articleId=1305178410590957924, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Process and Kinetics of P204 Synergistic Extraction of Uranium in Phosphoric Acid Medium, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

A P204-TOPO-sulfonated kerosene synergistic extraction-Fe(Ⅱ) reduction stripping system was constructed. The effects of extraction reaction time, phosphoric acid concentration, extraction temperature, amount of iron powder and stripping temperature were investigated, and the optimal process conditions were determined. The results show that the extraction-stripping of uranium conforms to the law of diffusion control-in-phase reaction. The apparent activation energy of the extraction reaction is 34.76 kJ/mol, and that of the stripping reaction is 40.289 kJ/mol. The system is controlled by both mass transfer and chemical reaction. The optimal extraction conditions are room temperature, extraction time of 6 min, phosphoric acid concentration of 3.5 mol/L, and VO/VA=1/5. The optimal stripping conditions are temperature of 323.15 K, stripping time of 10 min, phosphoric acid concentration of 5 mol/L, reduced iron powder amount of 10 times the theoretical amount, and VO/VA=5/1. Under the optimal conditions, the uranium extraction rate is 96% and the stripping rate is 81.3%.

, authors=Jiayu ZHANG, Yuqing NIU, Shaohui KANG, Kaikai YE, Yan REN, Linghua CAO, Zhiquan ZHOU, Haonan SHEN, authorsList=Jiayu ZHANG, Yuqing NIU, Shaohui KANG, Kaikai YE, Yan REN, Linghua CAO, Zhiquan ZHOU, Haonan SHEN, authorCompany=null, correspAuthors=Yuqing NIU, 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=1305178411035554150, articleId=1305178410590957924, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=P204协同萃取磷酸介质中铀的工艺与动力学, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

为从磷块岩制备磷酸所得溶液中,以副产品形式回收铀,研究构建了P204+TOPO-磺化煤油协同萃取-Fe(Ⅱ)还原反萃体系,考察了萃取反应时间、磷酸浓度、萃取温度及反萃取还原铁粉用量、反萃取温度等因素的影响,确定了最优工艺条件。结果表明:铀的萃取-反萃取符合扩散控制-相内反应规律,萃取反应表观活化能为34.76 kJ/mol,反萃取反应表观活化能为40.289 kJ/mol,体系同时受到传质与化学反应控制;最优萃取条件为室温,萃取时间6 min,磷酸浓度3.5 mol/L,VO/VA=1/5;最优反萃取条件为温度323.15 K,反萃取时间10 min,磷酸浓度5 mol/L,还原铁粉用量为理论用量的10倍,VO/VA=5/1;在最优条件下,铀萃取率为96%,反萃取率为81.3%。

, authors=张佳宇, 牛玉清, 康绍辉, 叶开凯, 任燕, 曹令华, 周志全, 申浩楠, authorsList=张佳宇, 牛玉清, 康绍辉, 叶开凯, 任燕, 曹令华, 周志全, 申浩楠, authorCompany=null, correspAuthors=牛玉清, authorNote=

张佳宇(1996—),男,硕士,工程师,主要研究方向为铀纯化转化。

, correspAuthorsNote=
牛玉清(1967—),男,硕士,正高级工程师,主要研究方向为铀纯化转化、核燃料循环。
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张佳宇(1996—),男,硕士,工程师,主要研究方向为铀纯化转化。

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张佳宇(1996—),男,硕士,工程师,主要研究方向为铀纯化转化。

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P204协同萃取磷酸介质中铀的工艺与动力学
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张佳宇 , 牛玉清 , 康绍辉 , 叶开凯 , 任燕 , 曹令华 , 周志全 , 申浩楠
湿法冶金 | 试验研究 2026,45(3): 392-398
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湿法冶金 |试验研究 2026 , 45 (3) : 392 -398
P204协同萃取磷酸介质中铀的工艺与动力学
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张佳宇, 牛玉清, 康绍辉, 叶开凯, 任燕, 曹令华, 周志全, 申浩楠
作者信息
  • 核工业北京化工冶金研究院,北京 101149
通讯作者:
牛玉清(1967—),男,硕士,正高级工程师,主要研究方向为铀纯化转化、核燃料循环。
作者简介:

张佳宇(1996—),男,硕士,工程师,主要研究方向为铀纯化转化。

Process and Kinetics of P204 Synergistic Extraction of Uranium in Phosphoric Acid Medium
Jiayu ZHANG, Yuqing NIU, Shaohui KANG, Kaikai YE, Yan REN, Linghua CAO, Zhiquan ZHOU, Haonan SHEN
Affiliations
  • Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
出版时间: 2026-06-20 doi: 10.13355/j.cnki.sfyj.2026.03.014
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为从磷块岩制备磷酸所得溶液中,以副产品形式回收铀,研究构建了P204+TOPO-磺化煤油协同萃取-Fe(Ⅱ)还原反萃体系,考察了萃取反应时间、磷酸浓度、萃取温度及反萃取还原铁粉用量、反萃取温度等因素的影响,确定了最优工艺条件。结果表明:铀的萃取-反萃取符合扩散控制-相内反应规律,萃取反应表观活化能为34.76 kJ/mol,反萃取反应表观活化能为40.289 kJ/mol,体系同时受到传质与化学反应控制;最优萃取条件为室温,萃取时间6 min,磷酸浓度3.5 mol/L,VO/VA=1/5;最优反萃取条件为温度323.15 K,反萃取时间10 min,磷酸浓度5 mol/L,还原铁粉用量为理论用量的10倍,VO/VA=5/1;在最优条件下,铀萃取率为96%,反萃取率为81.3%。

湿法磷酸  /  萃取  /  P204  /  铀  /  亚铁还原反萃取

A P204-TOPO-sulfonated kerosene synergistic extraction-Fe(Ⅱ) reduction stripping system was constructed. The effects of extraction reaction time, phosphoric acid concentration, extraction temperature, amount of iron powder and stripping temperature were investigated, and the optimal process conditions were determined. The results show that the extraction-stripping of uranium conforms to the law of diffusion control-in-phase reaction. The apparent activation energy of the extraction reaction is 34.76 kJ/mol, and that of the stripping reaction is 40.289 kJ/mol. The system is controlled by both mass transfer and chemical reaction. The optimal extraction conditions are room temperature, extraction time of 6 min, phosphoric acid concentration of 3.5 mol/L, and VO/VA=1/5. The optimal stripping conditions are temperature of 323.15 K, stripping time of 10 min, phosphoric acid concentration of 5 mol/L, reduced iron powder amount of 10 times the theoretical amount, and VO/VA=5/1. Under the optimal conditions, the uranium extraction rate is 96% and the stripping rate is 81.3%.

wet-process phosphoric acid  /  extraction  /  P204  /  uranium  /  ferrous reduction stripping
张佳宇, 牛玉清, 康绍辉, 叶开凯, 任燕, 曹令华, 周志全, 申浩楠. P204协同萃取磷酸介质中铀的工艺与动力学. 湿法冶金, 2026 , 45 (3) : 392 -398 . DOI: 10.13355/j.cnki.sfyj.2026.03.014
Jiayu ZHANG, Yuqing NIU, Shaohui KANG, Kaikai YE, Yan REN, Linghua CAO, Zhiquan ZHOU, Haonan SHEN. Process and Kinetics of P204 Synergistic Extraction of Uranium in Phosphoric Acid Medium[J]. Hydrometallurgy of China, 2026 , 45 (3) : 392 -398 . DOI: 10.13355/j.cnki.sfyj.2026.03.014
  • 国家自然科学基金核技术联合基金资助项目(U206720; U2267225)
  • 中国核工业集团有限公司研发平台稳定支持科研项目
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2026年第45卷第3期
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doi: 10.13355/j.cnki.sfyj.2026.03.014
  • 接收时间:2026-03-18
  • 首发时间:2026-09-11
  • 出版时间:2026-06-20
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  • 收稿日期:2026-03-18
  • 修回日期:2026-04-09
基金
国家自然科学基金核技术联合基金资助项目(U206720; U2267225)
中国核工业集团有限公司研发平台稳定支持科研项目
作者信息
    核工业北京化工冶金研究院,北京 101149

通讯作者:

牛玉清(1967—),男,硕士,正高级工程师,主要研究方向为铀纯化转化、核燃料循环。
参考文献
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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