Article(id=1147999698041954597, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999683156370319, articleNumber=1000-8063(2025)01-0126-05, orderNo=null, doi=10.13426/j.cnki.yky.2024.04.13, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1713801600000, receivedDateStr=2024-04-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1751634056816, onlineDateStr=2025-07-04, pubDate=1739980800000, pubDateStr=2025-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751634056816, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751634056816, creator=13701087609, updateTime=1751634056816, updator=13701087609, issue=Issue{id=1147999683156370319, tenantId=1146029695717560320, journalId=1146123346816638986, year='2025', volume='44', issue='1', pageStart='1', pageEnd='150', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751634053267, creator=13701087609, updateTime=1759123824852, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1179414062141158321, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999683156370319, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1179414062141158322, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999683156370319, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=126, endPage=130, ext={EN=ArticleExt(id=1147999698260058438, articleId=1147999698041954597, tenantId=1146029695717560320, journalId=1146123346816638986, language=EN, title=Study on Leaching Technology of Uranium from Uranium-containing Precipitates, columnId=1175805042197152439, journalTitle=Uranium Mining and Metallurgy, columnName=SAFETY AND ENVIRONMENT PROTECTION, runingTitle=null, highlight=null, articleAbstract=

The uranium purification and conversion line will produce sodium diuranate precipitation and impurity residue. In order to recover the metallic uranium and reduce the waste mass, the uranium metal was recovered from these uranium-containing precipitates by nitric acid direct leaching and calcination-nitric acid leaching method. The content of impurity ions in the leaching solution were analyzed, and the main factors affecting the leaching rate of uranium were determined. Under the optimum conditions, the leaching rates of uranium by calcination-nitric acid leaching and direct nitric acid leaching are 98.14% and 96.11% respectively, and the mass of uranium-containing precipitates can be reduced by about 85%~90%.

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铀纯化转化生产线会产生重铀酸钠沉淀和杂质渣。为回收其中的金属铀及减少废物量,用硝酸直接浸出法、煅烧预处理—硝酸浸出法进行了从含铀沉淀物中回收金属铀的研究,分析了浸出液中杂质离子的含量,确定了影响铀浸出率的主要因素。在最佳工艺条件下,煅烧预处理—硝酸浸出法、硝酸直接浸出法的铀浸出率分别为98.14%和96.11%,含铀沉淀物的质量可减少约85%~90%。

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徐青霖(1992—),男,山东烟台人,学士,工程师,主要从事核化工研究。

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徐青霖(1992—),男,山东烟台人,学士,工程师,主要从事核化工研究。

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徐青霖(1992—),男,山东烟台人,学士,工程师,主要从事核化工研究。

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Uranium Mining and Metallurgy, 2015, 34(1):17-20+24 (in Chinese)., articleTitle=Addition of MnO2 under high temperature oxidizing roasting pretreatment of one uranium ore and its leaching recovery uranium experiment, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1179340285604676143, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, xref=null, ext=[AuthorCompanyExt(id=1179340285617259056, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, companyId=1179340285604676143, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=The 404 Company Limited, CNNC, Lanzhou 732850, China), AuthorCompanyExt(id=1179340285634036273, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, companyId=1179340285604676143, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中核四0四有限公司, 甘肃 兰州 732850)])], figs=[ArticleFig(id=1179340289954169428, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 1, caption=

Influence of calcination pretreatment on impurity content of leaching solutionmg/L

, figureFileSmall=null, figureFileBig=null, tableContent=
浸出方式 Al Ba Be Ca Cd Cr Cu Fe K Li Mg
硝酸直接浸出 714.9 7.5 0.2 1 574.6 6.8 154.5 76.8 5 300.6 112.0 3.5 242.9
煅烧预处理—硝酸浸出 1 052.0 8.7 0.2 1 628.2 6.5 138.4 79.2 5 425.7 132.3 4.9 243.2
浸出方式 Mo Sb Ni Na Sn Sr Ti V W Zn Mn
硝酸直接浸出 41.8 <0.1 285.9 1 453.2 0.9 45.1 39.0 3.0 1.6 196.9 67.8
煅烧预处理—硝酸浸出 34.4 <0.1 288.0 1 452.7 1.0 45.4 55.2 1.8 1.4 175.8 72.5
), ArticleFig(id=1179340290059027029, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表1, caption=

煅烧预处理对浸出液杂质含量的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
浸出方式 Al Ba Be Ca Cd Cr Cu Fe K Li Mg
硝酸直接浸出 714.9 7.5 0.2 1 574.6 6.8 154.5 76.8 5 300.6 112.0 3.5 242.9
煅烧预处理—硝酸浸出 1 052.0 8.7 0.2 1 628.2 6.5 138.4 79.2 5 425.7 132.3 4.9 243.2
浸出方式 Mo Sb Ni Na Sn Sr Ti V W Zn Mn
硝酸直接浸出 41.8 <0.1 285.9 1 453.2 0.9 45.1 39.0 3.0 1.6 196.9 67.8
煅烧预处理—硝酸浸出 34.4 <0.1 288.0 1 452.7 1.0 45.4 55.2 1.8 1.4 175.8 72.5
), ArticleFig(id=1179340290180661846, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 2, caption=

Influence of calcination time on leaching rate of uranium

, figureFileSmall=null, figureFileBig=null, tableContent=
煅烧时间/h 铀浸出率/% 滤渣铀残余率/%
1 97.45 2.34
2 97.51 2.21
3 97.87 2.10
4 98.11 1.35
5 98.10 1.38
6 98.14 1.32
), ArticleFig(id=1179340290394571351, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表2, caption=

煅烧时间对铀浸出率的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
煅烧时间/h 铀浸出率/% 滤渣铀残余率/%
1 97.45 2.34
2 97.51 2.21
3 97.87 2.10
4 98.11 1.35
5 98.10 1.38
6 98.14 1.32
), ArticleFig(id=1179340290558149208, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 3, caption=

Influence of nitric acid concentration on uranium leaching rate

, figureFileSmall=null, figureFileBig=null, tableContent=
硝酸浓度/(mol/L) 铀浸出率/% 滤渣铀残余率/%
3 91.82 7.63
4 92.57 6.55
5 94.36 5.31
6 96.11 3.44
7 96.15 3.38
8 96.21 3.33
), ArticleFig(id=1179340290663006809, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表3, caption=

硝酸浓度对铀浸出率的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
硝酸浓度/(mol/L) 铀浸出率/% 滤渣铀残余率/%
3 91.82 7.63
4 92.57 6.55
5 94.36 5.31
6 96.11 3.44
7 96.15 3.38
8 96.21 3.33
), ArticleFig(id=1179340290725921370, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 4, caption=

Influence of stirring rate on uranium leaching rate

, figureFileSmall=null, figureFileBig=null, tableContent=
搅拌转速/(r/min) 铀浸出率/% 滤渣铀残余率/%
200 95.56 3.85
400 96.11 3.44
600 96.16 3.42
800 96.15 3.40
), ArticleFig(id=1179340290788835931, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表4, caption=

搅拌速度对铀浸出率的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
搅拌转速/(r/min) 铀浸出率/% 滤渣铀残余率/%
200 95.56 3.85
400 96.11 3.44
600 96.16 3.42
800 96.15 3.40
), ArticleFig(id=1179340290876916316, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 5, caption=

Influence of temperature on uranium leaching rate

, figureFileSmall=null, figureFileBig=null, tableContent=
温度/℃ 铀浸出率/% 滤渣铀残余率/%
20 90.82 8.76
40 92.25 7.15
60 94.26 5.23
80 96.11 3.44
100 96.32 3.41
), ArticleFig(id=1179340290944025181, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表5, caption=

浸出温度对铀浸出率的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
温度/℃ 铀浸出率/% 滤渣铀残余率/%
20 90.82 8.76
40 92.25 7.15
60 94.26 5.23
80 96.11 3.44
100 96.32 3.41
), ArticleFig(id=1179340290985968222, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 6, caption=

Influence of liquid to solid ratio on uranium leaching rate

, figureFileSmall=null, figureFileBig=null, tableContent=
液固体积质量比/(mL/g) 铀浸出率/% 滤渣铀残余率/%
3∶1 90.62 8.89
4∶1 93.25 6.02
5∶1 96.11 3.44
6∶1 96.34 3.20
7∶1 96.41 3.12
8∶1 96.66 3.04
), ArticleFig(id=1179340291036299871, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表6, caption=

液固体积质量比对铀浸出率的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
液固体积质量比/(mL/g) 铀浸出率/% 滤渣铀残余率/%
3∶1 90.62 8.89
4∶1 93.25 6.02
5∶1 96.11 3.44
6∶1 96.34 3.20
7∶1 96.41 3.12
8∶1 96.66 3.04
), ArticleFig(id=1179340291103408736, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=EN, label=Table 7, caption=

Influence of leaching time on leaching rate of uranium

, figureFileSmall=null, figureFileBig=null, tableContent=
浸出时间/min 铀浸出率/% 滤渣铀残余率/%
30 90.82 8.64
60 92.25 6.53
90 94.26 4.76
120 96.11 3.44
150 96.12 3.46
180 96.21 2.38
), ArticleFig(id=1179340291153740385, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999698041954597, language=CN, label=表7, caption=

浸出时间对铀浸出率的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
浸出时间/min 铀浸出率/% 滤渣铀残余率/%
30 90.82 8.64
60 92.25 6.53
90 94.26 4.76
120 96.11 3.44
150 96.12 3.46
180 96.21 2.38
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含铀沉淀物中铀的浸出工艺研究
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徐青霖 , 刘光梁 , 侯彦龙 , 张鑫野
铀矿冶 | 安全·环保 2025,44(1): 126-130
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铀矿冶 | 安全·环保 2025, 44(1): 126-130
含铀沉淀物中铀的浸出工艺研究
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徐青霖, 刘光梁, 侯彦龙, 张鑫野
作者信息
  • 中核四0四有限公司, 甘肃 兰州 732850
  • 徐青霖(1992—),男,山东烟台人,学士,工程师,主要从事核化工研究。

Study on Leaching Technology of Uranium from Uranium-containing Precipitates
Qinglin XU, Guangliang LIU, Yanlong HOU, Xinye ZHANG
Affiliations
  • The 404 Company Limited, CNNC, Lanzhou 732850, China
出版时间: 2025-02-20 doi: 10.13426/j.cnki.yky.2024.04.13
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铀纯化转化生产线会产生重铀酸钠沉淀和杂质渣。为回收其中的金属铀及减少废物量,用硝酸直接浸出法、煅烧预处理—硝酸浸出法进行了从含铀沉淀物中回收金属铀的研究,分析了浸出液中杂质离子的含量,确定了影响铀浸出率的主要因素。在最佳工艺条件下,煅烧预处理—硝酸浸出法、硝酸直接浸出法的铀浸出率分别为98.14%和96.11%,含铀沉淀物的质量可减少约85%~90%。

含铀沉淀物  /  回收铀  /  硝酸  /  焙烧  /  酸法浸出  /  杂质离子

The uranium purification and conversion line will produce sodium diuranate precipitation and impurity residue. In order to recover the metallic uranium and reduce the waste mass, the uranium metal was recovered from these uranium-containing precipitates by nitric acid direct leaching and calcination-nitric acid leaching method. The content of impurity ions in the leaching solution were analyzed, and the main factors affecting the leaching rate of uranium were determined. Under the optimum conditions, the leaching rates of uranium by calcination-nitric acid leaching and direct nitric acid leaching are 98.14% and 96.11% respectively, and the mass of uranium-containing precipitates can be reduced by about 85%~90%.

uranium-containing precipitates  /  uranium recovery  /  nitric acid  /  calcination  /  acid leaching  /  impurity ions
徐青霖, 刘光梁, 侯彦龙, 张鑫野. 含铀沉淀物中铀的浸出工艺研究. 铀矿冶, 2025 , 44 (1) : 126 -130 . DOI: 10.13426/j.cnki.yky.2024.04.13
Qinglin XU, Guangliang LIU, Yanlong HOU, Xinye ZHANG. Study on Leaching Technology of Uranium from Uranium-containing Precipitates[J]. Uranium Mining and Metallurgy, 2025 , 44 (1) : 126 -130 . DOI: 10.13426/j.cnki.yky.2024.04.13
铀纯化转化是核燃料生产及循环过程中的重要环节之一。铀纯化转化生产中产生的含铀、含氟废液经过碱沉淀后,生成重铀酸钠沉淀,这些含铀沉淀物亟待处理[1-2]。含铀沉淀物的浸出是指采用一定化学药剂,对沉淀物中的铀进行选择性地溶解、浸出和提取[3],通过浸出处理可减少沉淀物中残留铀的含量,使其达到排放标准,避免沉淀物对周围环境产生二次污染。
目前,国内外对于含铀沉淀物的浸出方法主要有酸法浸出、碱法浸出和生物浸出[4]4。碱法浸出的浸出率低,且铀纯化转化产生的含铀沉淀物中含Na2U2O7等化合物,因此该沉淀物不宜采用碱法浸出[5-8]。生物浸出[9]受培养基、工艺、温度等多种因素的影响,浸出率不易控制。酸法浸出具有浸出率高、工艺控制方便等优点,被普遍采用[10-16]
酸法浸出采用的酸主要有硫酸、硝酸和盐酸。由于硝酸在浸出的同时能起到氧化的作用,为了使本研究沉淀物中的铀浸出过程更容易,试验选择硝酸浸出体系。采用高温氧化煅烧的方法,可提高铀的浸出率[17]。为此,笔者进行了用硝酸直接浸出、焙烧预处理—硝酸浸出法从含铀沉淀物中回收铀的试验研究。
含铀沉淀物主要来源于硝酸体系下铀纯化转化工艺,为精馏残液、清洗废液、分析废液等经过氢氧化钠中和、过滤等处理产生的沉淀。
含铀沉淀物经烘干后研磨至300目左右备用,w(U)=3%~6%。主要试剂:98%硝酸,分析纯;68%硝酸,工业级。
电子天平,DL6100型,精度0.001 g;烘箱,DHG-9070A型,温度分辨率为0.1℃;磁力搅拌器,BJPX-SC11型,转速范围为20~2 000 r/min;水浴锅,DF-101S型。
含铀沉淀物中的铀大部分以Na2U2O7形式存在,少数以配合态或与其他金属离子结合态形式存在。当含铀沉淀物与硝酸发生反应时,沉淀物中的铀会以${\mathrm{U}\mathrm{O}}_{2}^{2+}$或硝酸铀酰形态向固态外表面扩散,再经由液体薄膜向液体中扩散。涉及的反应[4]4主要有

Na2U2O7+6H+=2${\mathrm{U}\mathrm{O}}_{2}^{2+}$+2Na++3H2O,

${\mathrm{U}\mathrm{O}}_{2}^{2+}$+2${\mathrm{NO}}_{3}^{-}$→UO2(NO3)2,

UO2(NO3)2+2${\mathrm{NO}}_{3}^{-}$→[UO2(NO3)4]2-,

[UO2(NO3)4]2-+2${\mathrm{N}\mathrm{O}}_{3}^{-}$→[UO2(NO3)6]4-

由于含铀沉淀物组分比较复杂,除以上反应外,还存在一些更加复杂的反应,浸出过程主要是将可溶于硝酸体系的铀组分浸出。
称取20 g烘干后的含铀沉淀物,向其中加入不同浓度的硝酸,设置不同的浸出条件,不断搅拌使其充分反应。试验过程中,通过水浴锅控制浸出反应温度。
称取20 g烘干后的含铀沉淀物,在800℃煅烧4 h(煅烧过程中未翻料);然后与硝酸直接浸出设置相同的浸出条件,不断搅拌使其充分反应。
浸出后进行过滤,并用去离子水洗涤浸出渣,洗涤液与浸出液合并,测定浸出液的体积,并分析浸出液中铀含量和杂质含量;浸出渣在80℃下烘干,称重,分析浸出渣中铀含量。
含铀沉淀物浸出液中的杂质含量影响铀溶液的品质。取含铀沉淀物20 g置于烧杯中,加入硝酸100 mL(6 mol/L),在反应温度80℃、搅拌转速400 r/min条件下,浸出2 h,测定浸出溶液中杂质离子的含量;取20 g煅烧后的含铀沉淀物,在其他条件相同的情况下进行浸出,对浸出液的杂质含量进行光谱分析。试验结果见表1
表1可看出,浸出液中含有较多的杂质离子,其中Fe、Ca、Na、Al、的质量浓度最高;对铀溶液品质影响较大的离子有Al3+、Fe3+等,但其含量在工艺可接受范围内。滤液中的铀质量浓度约为12 g/L,杂质离子含量远低于铀含量。
与硝酸直接浸出对比,煅烧预处理—硝酸浸出对浸出液杂质含量的影响不大,煅烧的除杂作用不明显,煅烧预处理后浸出液中有部分金属杂质的浓度增加。但煅烧预处理可除去了含铀沉淀物中的水分、水合物中的水分子和有机物等,有效降低了含铀沉淀物的体积,体积降低约30%~40%。
含铀沉淀物的煅烧预处理可增加含铀组分的溶解度,改善其物化性能。取20 g含铀沉淀物,在800℃下,进行煅烧预处理。对煅烧后的沉淀物,在浸出温度80℃、硝酸100 mL(6 mol/L)、搅拌转速400 r/min条件下浸出,考察煅烧时间对铀浸出率的影响,结果见表2
表2可知,铀的浸出率随煅烧时间的延长而逐渐增大,4 h为适宜的煅烧时间。与直接硝酸浸出相比,煅烧后的铀浸出率可提高至98.11%。高温煅烧过程使得某些含铀物质易于被硝酸溶出,然而高温煅烧能耗较大,煅烧后还会使含铀沉淀物变硬,不易研磨。因此,后续主要研究硝酸直接浸出情况。
取6份含铀沉淀物(每份20 g)置于6个烧杯中,分别加入不同浓度的硝酸100 mL,在反应温度80℃、搅拌转速400 r/min条件下,浸出时间2 h,分析浸出液中的铀,计算铀浸出率;对滤渣进行分光光度分析,测定滤渣铀残余率。硝酸浓度对铀浸出率的影响见表3
表3可知,随着硝酸浓度增加,铀的浸出率逐渐增加;而当硝酸浓度高于6 mol/L后,浸出率基本不变,且在酸性条件下过量的硝酸会生成较多的NOx气体,给生产带来不利影响。所以,浸出硝酸浓度以6 mol/L为宜。将含铀沉淀物经过硝酸浸出后的滤渣烘干,其质量为2~3 g,因此含铀沉淀物经浸出处理后,其质量减少了85%~90%。
取4份含铀沉淀物(每份20 g)置于4个烧杯中,分别加入硝酸100 mL(6 mol/L),在反应温度80℃、浸出时间2 h条件下,研究搅拌速度对铀浸出率的影响,结果见表4
试验表明,搅拌转速对铀浸出率的影响不大,仅加速铀的浸出过程。所以从节能角度考虑,搅拌转速以400 r/min为宜。
取5份含铀沉淀物(每份20 g)置于5个烧杯中,分别加入硝酸100 mL(6 mol/L),在浸出时间2 h、搅拌转速400 r/min条件下,研究浸出温度对铀浸出率的影响,结果见表5
表4可知,在20~80℃试验范围内,随着温度的增加,铀浸出率明显增加;继续升温,浸出率提高不明显。因此,浸出温度以80℃为宜。
取6份含铀沉淀物(每份20 g)置于6个烧杯中,分别加入不同体积的硝酸100 mL(6 mol/L),在反应温度80℃、浸出时间2 h、搅拌转速400 r/min的条件下,研究液固体积质量比对铀浸出率的影响,结果见表6
试验发现,随着液固体积质量比的增大,铀浸出率增大;但增大液固体积质量比,滤液中的铀含量有下降趋势,对后续的铀回收工艺不利。所以液固体积质量比以5∶1为宜。
取6份含铀沉淀物(每份20 g)置于6个烧杯中,分别加入100 mL硝酸(6 mol/L),在反应温度80℃、搅拌转速400 r/min条件下,研究浸出时间对铀浸出率的影响,结果见表7
表7可看出,铀的浸出率随着浸出时间的延长而增加。但浸出时间过长会影响生产效率,因此,浸出时间以2 h为宜,此时的浸出率为96.11%。
对铀纯化转化工艺所产生的含铀沉淀物进行了硝酸浸出研究,得到了最佳工艺条件:硝酸浓度6 mol/L,液固体积质量比5∶1,浸出温度80℃,搅拌转速400 r/min,浸出时间2 h。在该条件下,可使96.11%的金属铀得到浸出;而含铀沉淀物经浸出后,其质量减少了85%~90%。
对含铀沉淀物进行煅烧,对浸出液中的杂质含量没有显著影响,但可使铀的回收率增加2%左右。用硝酸浸出工艺能从含铀沉淀物中高效提取铀。
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doi: 10.13426/j.cnki.yky.2024.04.13
  • 接收时间:2024-04-23
  • 首发时间:2025-07-04
  • 出版时间:2025-02-20
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2种不同金属材料的力学参数

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Genus
种数
Number of
species
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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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