Article(id=1172620562670174273, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172620559834821232, articleNumber=1009-2617(2024)01-0047-06, orderNo=null, doi=10.13355/j.cnki.sfyj.2024.01.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1692460800000, receivedDateStr=2023-08-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1757504128377, onlineDateStr=2025-09-10, pubDate=1708358400000, pubDateStr=2024-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1757504128377, onlineIssueDateStr=2025-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1757504128377, creator=13701087609, updateTime=1757504128377, updator=13701087609, issue=Issue{id=1172620559834821232, tenantId=1146029695717560320, journalId=1146120122248306696, year='2024', volume='43', issue='1', pageStart='1', pageEnd='111', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1757504127699, creator=13701087609, updateTime=1758625263309, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1177322943446135256, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172620559834821232, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1177322943446135257, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172620559834821232, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=47, endPage=52, ext={EN=ArticleExt(id=1172620563840385096, articleId=1172620562670174273, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Rule and Kinetics of Oxygen Pressure Water Leaching Oxidation of Molybdenite, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

The leaching of molybdenum from molybdenite by oxygen pressure water leaching method was studied.The effects of ore size, oxygen partial pressure, temperature and stirring speed on oxidation of molybdenite were investigated, and the distribution of oxidation products in solid and liquid phases was discussed. The results show that the oxidation of molybdenite can be promoted by the decrease of ore particle size and the increase of oxygen partial pressure, temperature and stirring speed. The oxidation products first enter the liquid phase. When the liquid phase is saturated with $\mathrm{MoO}_{4}^{2-}$, the oxidation products will enter the slag phase in the form of MoO3. The oxidation of molybdenum during oxygen pressure water leaching of molybdenite can be described by the unreacted nuclear shrinkage model.The reaction rate is controlled by the mixed control model, and the apparent activation energy is 40.55 kJ/mol.

, correspAuthors=null, 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, authorCompany=null, fund=null, authors=null, authorsList=Lishuai JIANG, Yuemeng LIN, Baisui HAN, Xiaoyu LI, Wentao XU, Haoyu XIE), CN=ArticleExt(id=1172620873296134611, articleId=1172620562670174273, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=辉钼矿氧压水浸氧化规律及其动力学研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=研究了采用氧压水浸法浸出辉钼矿中的钼,考察了矿石粒级、氧分压、温度、搅拌速度对辉钼矿氧化的影响,探讨了氧化产物在固、液两相中的分配规律。结果表明:矿石粒度的减小,以及氧分压、温度、搅拌速度的提高均可促进辉钼矿氧化;氧化产物首先进入液相,当液相中$\mathrm{MoO}_{4}^{2-}$达到饱和后,氧化产物会以MoO3形式进入渣相;辉钼矿氧压水浸过程中钼的氧化过程可用未反应核收缩模型描述,反应速率受混合控制模型控制,表观活化能为40.55 kJ/mol。, correspAuthors=null, authorNote=null, correspAuthorsNote=
韩百岁(1987—),男,博士,副教授,主要研究方向为硫化矿湿法冶金。E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=om7HdBdDTUZRlI2gCtkhxQ==, magXml=qZ2xAG6DvVft8fJGbxta2w==, pdfUrl=null, pdf=ItkbdYWf7BIxq/4+xCGBcQ==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=w1O8e6pQ9m+Mcr2ogWepDQ==, mapNumber=null, authorCompany=null, fund=null, authors=

姜丽帅(1998—),男,硕士研究生,主要研究方向为硫化矿湿法冶金。

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姜丽帅(1998—),男,硕士研究生,主要研究方向为硫化矿湿法冶金。

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姜丽帅(1998—),男,硕士研究生,主要研究方向为硫化矿湿法冶金。

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tableContent=
Mo S Si O
56.75 38.25 2.33 2.67
), ArticleFig(id=1177673270074684231, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172620562670174273, language=CN, label=表1, caption=

辉钼矿的主要化学成分 %

, figureFileSmall=null, figureFileBig=null, tableContent=
Mo S Si O
56.75 38.25 2.33 2.67
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温度/℃ 化学反应控制模型 内扩散控制模型 混合控制模型
k1 R2 k2 R2 k3 R2
160 0.041 3 0.979 8 0.003 0 0.960 0 0.001 76 0.946 0
170 0.042 1 0.976 5 0.003 3 0.992 4 0.001 95 0.983 5
180 0.052 5 0.994 1 0.005 4 0.984 7 0.002 99 0.975 4
190 0.055 7 0.984 2 0.006 0 0.994 5 0.003 44 0.986 3
), ArticleFig(id=1177673270200513355, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172620562670174273, language=CN, label=表2, caption=

不同温度下3种收缩核模型的拟合参数

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温度/℃ 化学反应控制模型 内扩散控制模型 混合控制模型
k1 R2 k2 R2 k3 R2
160 0.041 3 0.979 8 0.003 0 0.960 0 0.001 76 0.946 0
170 0.042 1 0.976 5 0.003 3 0.992 4 0.001 95 0.983 5
180 0.052 5 0.994 1 0.005 4 0.984 7 0.002 99 0.975 4
190 0.055 7 0.984 2 0.006 0 0.994 5 0.003 44 0.986 3
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辉钼矿氧压水浸氧化规律及其动力学研究
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姜丽帅 , 蔺月萌 , 韩百岁 , 李潇煜 , 徐文涛 , 谢昊宇
湿法冶金 | 试验研究 2024,43(1): 47-52
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湿法冶金 | 试验研究 2024, 43(1): 47-52
辉钼矿氧压水浸氧化规律及其动力学研究
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姜丽帅, 蔺月萌, 韩百岁 , 李潇煜, 徐文涛, 谢昊宇
作者信息
  • 辽宁科技大学 矿业工程学院, 辽宁 鞍山 101145
  • 姜丽帅(1998—),男,硕士研究生,主要研究方向为硫化矿湿法冶金。

通讯作者:

韩百岁(1987—),男,博士,副教授,主要研究方向为硫化矿湿法冶金。E-mail:
Rule and Kinetics of Oxygen Pressure Water Leaching Oxidation of Molybdenite
Lishuai JIANG, Yuemeng LIN, Baisui HAN , Xiaoyu LI, Wentao XU, Haoyu XIE
Affiliations
  • School of Mining Engineering, University of Science and Technology Liaoning, Anshan 101145, China
出版时间: 2024-02-20 doi: 10.13355/j.cnki.sfyj.2024.01.008
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研究了采用氧压水浸法浸出辉钼矿中的钼,考察了矿石粒级、氧分压、温度、搅拌速度对辉钼矿氧化的影响,探讨了氧化产物在固、液两相中的分配规律。结果表明:矿石粒度的减小,以及氧分压、温度、搅拌速度的提高均可促进辉钼矿氧化;氧化产物首先进入液相,当液相中$\mathrm{MoO}_{4}^{2-}$达到饱和后,氧化产物会以MoO3形式进入渣相;辉钼矿氧压水浸过程中钼的氧化过程可用未反应核收缩模型描述,反应速率受混合控制模型控制,表观活化能为40.55 kJ/mol。
辉钼矿  /  氧压  /  钼  /  氧化  /  水浸  /  动力学  /  规律

The leaching of molybdenum from molybdenite by oxygen pressure water leaching method was studied.The effects of ore size, oxygen partial pressure, temperature and stirring speed on oxidation of molybdenite were investigated, and the distribution of oxidation products in solid and liquid phases was discussed. The results show that the oxidation of molybdenite can be promoted by the decrease of ore particle size and the increase of oxygen partial pressure, temperature and stirring speed. The oxidation products first enter the liquid phase. When the liquid phase is saturated with $\mathrm{MoO}_{4}^{2-}$, the oxidation products will enter the slag phase in the form of MoO3. The oxidation of molybdenum during oxygen pressure water leaching of molybdenite can be described by the unreacted nuclear shrinkage model.The reaction rate is controlled by the mixed control model, and the apparent activation energy is 40.55 kJ/mol.

molybdenite  /  oxygen pressure  /  molybdenum  /  oxidation  /  water leaching  /  kinetics  /  rule
姜丽帅, 蔺月萌, 韩百岁, 李潇煜, 徐文涛, 谢昊宇. 辉钼矿氧压水浸氧化规律及其动力学研究. 湿法冶金, 2024 , 43 (1) : 47 -52 . DOI: 10.13355/j.cnki.sfyj.2024.01.008
Lishuai JIANG, Yuemeng LIN, Baisui HAN, Xiaoyu LI, Wentao XU, Haoyu XIE. Rule and Kinetics of Oxygen Pressure Water Leaching Oxidation of Molybdenite[J]. Hydrometallurgy of China, 2024 , 43 (1) : 47 -52 . DOI: 10.13355/j.cnki.sfyj.2024.01.008
钼是一种重要的战略金属资源,具有优异的理化性能,广泛应用于钢铁合金、航空航天、电子器件及催化剂领域[1-4]。钼主要来源于辉钼矿,而辉钼矿通常与黄铜矿伴生,以斑岩型铜钼矿形式存在。
黄铜矿和辉钼矿均属于酸难溶性矿物,化学性质极其稳定,需添加HNO3、MnO2、NaClO2等较强氧化剂,浸出条件也很苛刻;另外,二者可浮性接近,难以通过浮选完全分离铜钼[5]。目前,浸出黄铜矿的方法主要包括酸浸、氨浸、等离子液体浸出、生物浸出等[6]。酸浸复杂黄铜矿,铜浸出率可达82.36%,但需加入较强氧化剂[7];氨浸通常会产生钝化层,影响铜的浸出[8];采用等离子液体浸出法,铜浸出效果较好,但浸出剂价格昂贵,生产成本较高[9];生物浸出法绿色环保,但浸出效率较低[10]。浸出辉钼矿的方法主要有酸浸、氧压氨浸、碱浸及电解浸出等[11-15],这些方法对钼的氧化浸出效果均较好,但浸出条件苛刻,氧化剂用量较大,能耗较高。
在常压下浸出黄铜矿和辉钼矿,处理效率较低,浸出剂用量较大,生产成本较高,易造成环境污染[16]。而采用氧压水浸法浸出黄铜矿,铜浸出率可达95%以上,且设备腐蚀较小,生产成本较低;工艺流程较短[17-18]。有研究表明,氧压水浸辉钼矿的铜浸出率较高,钼的氧化产物主要有$\mathrm{MoO}_{4}^{2-}$和MoO3。钼氧化产物是以离子形式进入液相,还是以固体形式留在渣相是铜钼分离的关键[18],但目前相关研究报道却较少。因此,试验针对辉钼矿纯矿物(MoS2纯度为95%),研究了其在氧压水浸条件下的氧化规律,考察了矿石粒级、氧分压、温度、搅拌速度对钼浸出率及转化率的影响,并通过XRD和SEM对浸出渣物相和形态进行表征,探讨了辉钼矿氧化反应动力学,以求通过控制浸出条件来控制辉钼矿的氧化程度,进而调控钼氧化产物在固、液两相的分配。
辉钼矿纯矿物:取自云南某钼矿,矿石经破磨筛分,得到-150~+75 μm、-75~+47 μm、-47 μm 3个粒级的样品,主要化学成分分析结果见表1,XRD图谱如图1所示。可以看出,主要元素为Mo、S,质量分数分别为56.75%、38.25%,此外还含有少量Si、O。
去离子水(实验室自制),钼标准溶液(国标,1 000 μg/mL,国药集团化学试剂有限公司),NaOH(分析纯,国药集团化学试剂有限公司)。
500 mL高温高压反应釜(AB-500型,上海莱北科学仪器有限公司),电感耦合等离子发射光谱仪(ICP-OES,PQ LC-Plasma Quant MS型,德国耶拿分析仪器有限公司),扫描电子显微镜(Sigma 500型,德国蔡司公司),X射线衍射仪(XRD,ADVANCE型,德国布鲁克公司),实验室纯水机(Spring-R10型,厦门锐思捷水纯化技术有限公司),电子天平(LQ-C20002型,昆山优客科维特电子科技有限公司),真空抽滤机(SHB-Ⅲ型,北京科伟永兴仪器有限公司)。
辉钼矿中的钼主要以MoS2形式存在,氧化浸出开始阶段,钼主要转变为$\mathrm{MoO}_{4}^{2-}$进入溶液,当辉钼矿浸出率达一定程度时,$\mathrm{MoO}_{4}^{2-}$转变为MoO3进入浸出渣中。主要化学反应方程式[19-20]如下:
MoS2+4.5O2+3H2O═══════2H2SO4+H2MoO4;
$\mathrm{MoO}_{4}^{2-}$+2H++H2O═══════MoO3·2H2O。
试验在反应釜中进行,将矿样与去离子水按质量比1∶40混合并配成矿浆;将矿浆加入到反应釜中,密封,加热至设定温度后通过氧气罐通入氧气加压;反应一定时间后,用真空抽滤机过滤;浸出渣在烘箱中烘干,取一定量浸出渣及过量的2 mol/L NaOH溶液,在温度100 ℃、搅拌速度600 r/min条件下反应1 h,得碱浸出渣与碱浸出液。用ICP测定浸出液与碱浸出液中钼浓度,计算钼浸出率、转化率及氧化率,计算公式为
${r}_{m}=\frac{{\rho }_{1}V{w}_{1}}{mw}\times 100\%。$
式中:rm—钼浸出率,%;ρ1—浸出液中$\mathrm{MoO}_{4}^{2-}$质量浓度,mg/L;w1—$\mathrm{MoO}_{4}^{2-}$中钼元素质量分数,%;V—浸出液体积,L;w—矿物中钼品位,%;m—浸出前矿物质量,mg。
${r}_{z}=\frac{{\rho }_{2}V{w}_{2}}{mw}\times 100\%。$
式中:rz—钼转化率,%;ρ2—碱浸出液中$\mathrm{MoO}_{4}^{2-}$质量浓度,mg/L;w2—$\mathrm{MoO}_{4}^{2-}$中钼元素质量分数,%;V—碱浸出液体积,L;w—矿物中钼品位,%;m—浸出前矿物质量,mg。
ry=rm+rz,
式中,ry—钼氧化率,%。
矿石粒级是影响氧化浸出率的重要因素,矿石粒级越小,其比表面积越大,与溶液中的溶解氧接触概率越大,越有利于矿石中的钼快速浸出及转化。在温度170 ℃、氧分压0.8 MPa、搅拌速度600 r/min条件下,矿石粒级对钼浸出率及转化率的影响试验结果如图2所示。
图2看出:随矿石粒级减小,钼浸出率提高;粒级由-150~+75 μm减至-75~+47 μm、浸出1.5 h后,钼浸出率可由2.5%升至9%,若粒级减小至-47 μm,钼浸出率基本稳定在10%左右。说明浸出1.5 h时,$\mathrm{MoO}_{4}^{2-}$浓度已达到饱和,辉钼矿转化率开始明显提高。这是因为减小矿石粒级有利于辉钼矿氧化分解。但粒级过小会增加磨矿成本,综合考虑,选择矿石粒级为-47 μm进行后续试验。
氧气作为浸出体系中氧化分解辉钼矿的唯一氧化剂,其在体系中的含量对氧化分解过程作用明显,即氧分压是影响辉钼矿氧化浸出速率的重要因素之一。在温度170 ℃、矿石粒级-47 μm、搅拌速度600 r/min条件下,氧分压对钼浸出率及转化率的影响试验结果如图3所示。
图3看出:反应初期,氧分压越高,钼浸出率上升趋势越明显,之后随反应进行,氧分压对钼浸出率影响不明显。这是因为初始氧分压越高,单位体积内的溶解氧越多,氧气与矿石的接触概率越大,有利于钼浸出速率提升;但当溶液中$\mathrm{MoO}_{4}^{2-}$达到饱和时,钼浸出率趋于稳定,转化率开始明显提升。增加氧气分压虽有利于辉钼矿氧化,提高钼转化率,但考虑到压强过高对设备的要求很高,因此,选择氧气分压为1.7 MPa进行后续试验。
在矿石粒级-47 μm、氧分压1.7 MPa、搅拌速度600 r/min条件下,温度对钼浸出率及转化率的影响试验结果如图4所示。
图4(a)看出:浸出0.5 h后,随浸出时间延长,钼浸出率提高幅度减小;随温度升高,钼浸出率提高,这是因为随温度升高,溶液黏度下降,有利于传质,$\mathrm{MoO}_{4}^{2-}$溶解性提高,有利于钼的浸出。由图4(b)看出:温度为190 ℃时,固相中钼转化率从0.5 h的5.5%升至1.5 h的16.5%,而液相中的钼基本保持不变,说明随反应进行,新生成的$\mathrm{MoO}_{4}^{2-}$逐渐结晶析出,以MoO3形式留在浸出渣中[13]。综合考虑,选择在180 ℃温度下进行后续试验。
增大搅拌速度有利于矿物颗粒在浸出体系中的悬浮及浸出产物的扩散。在温度180 ℃、矿石粒级-47 μm、氧分压1.7 MPa条件下,搅拌速度对钼浸出率及转化率的影响试验结果如图5所示。可以看出:随搅拌速度增大,辉钼矿浸出率提高;浸出1.5 h,钼浸出率达接近10%;相同浸出时间下,随搅拌速度增大,钼转化率提高。这是因为搅拌速度较小时,增大搅拌速度有利于产物扩散,使反应速度加快。随反应时间延长,反应逐渐趋于平衡,此时继续增大搅拌速度有越来越多$\mathrm{MoO}_{4}^{2-}$结晶析出,并转变为MoO3进入渣相。但考虑到搅拌速度过大时,能耗加大,生产成本增加,因此,确定适宜搅拌速度为600 r/min。
根据单因素试验结果可知,矿石粒级的减小,氧分压、温度、搅拌速度的提高均会促进辉钼矿的氧化;氧化产物首先以$\mathrm{MoO}_{4}^{2-}$形式进入液相,当$\mathrm{MoO}_{4}^{2-}$浓度达到饱和后,辉钼矿继续被氧化的产物以MoO3形式进入渣相。因此,可通过控制浸出条件来控制辉钼矿的氧化程度,进而调控钼氧化产物在固、液两相的分配。
通过上述试验确定最优试验条件为:温度180 ℃、矿石粒级-47 μm、氧分压1.7 MPa、搅拌速度600 r/min。该条件下所得浸出渣的物相和形貌分析结果分别如图67所示。
图6看出:辉钼矿原矿物相主要为MoS2,纯度较高,而浸出渣中的钼主要以MoS2和MoO3形式存在,说明最终氧化产物为MoO3
图7看出:辉钼矿为明显的层状结构,呈片状。浸出渣仍为层状结构,但边缘被破坏,MoO3以粒状存在于辉钼矿表面,说明辉钼矿结构较难破环,生成物主要集中于矿物表面。
辉钼矿的氧压水浸过程属于固-液反应,浸出动力学一般符合收缩核模型,反应过程如图8所示。可以看出:溶解氧与辉钼矿的反应界面不断向核心收缩,而反应产物H2MoO4、MoO3附着在辉钼矿颗粒表面,该反应过程符合收缩核模型的假设,可用收缩核模型描述[21]
浸出过程中的氧化速率取决于氧化阻力最大的控制步骤,控制步骤主要分为内扩散控制、化学反应控制及混合控制,其反应动力学速率方程[22-23]如下:
$1-\frac{2}{3}x-{(1-x)}^{\frac{2}{3}}={k}_{1}t$;
$1-{(1-x)}^{\frac{1}{3}}={k}_{2}t$;
$\frac{1}{3}ln(1-x)-1+{(1-x)}^{-\frac{1}{3}}={k}_{3}t$
式中:k1k2k3—内扩散控制、化学反应控制及混合控制模型的表观速率常数,min-1;x—钼氧化率,%;t—浸出时间,h。
最优试验条件下,温度对钼氧化率的影响试验结果如图9所示,用上述3种模型对试验数据进行回归和相关分析,并采用式(6)~(8)计算不同温度下的拟合参数,结果见表2
根据Arrhenius方程:
$k=A{e}^{-\frac{{E}_{a}}{RT}},$
两端取对数可得
ln k=-$\frac{{E}_{a}}{RT}$+ln A
式中:T—热力学温度,K;k—化学反应速率常数,min-1;A—频率因子,min-1;R—理想气体常数,8.314 kJ/mol;Ea—表观活化能,kJ/mol。
结合表2所得k1k2k3,设y=ln k,通过线性最小二乘法拟合ln k-T-1的线性方程,计算斜率并得Ea,结果如图10所示。由表2图10看出:内扩散控制模型和化学反应控制模型相对较好,推断辉钼矿氧压水浸过程可能受这2种模型控制;但由于内扩散控制模型表观活化能一般应低于13 kJ/mol,化学反应控制模型表观活化能一般应高于41.8 kJ/mol[24],试验所得内扩散控制模型、化学反应控制模型表观活化能分别为42.71、18.29 kJ/mol,都不在参考范围内,说明辉钼矿氧压水浸过程不适合用这2种模型描述;而混合控制模型的相关系数比上述2种模型略低,但均高于0.94,且表观活化能为40.55 kJ/mol,因此推断,辉钼矿氧压水浸过程更适合用混合控制模型描述。
在氧压水浸条件下,辉钼矿中MoS2先被氧气氧化为$\mathrm{MoO}_{4}^{2-}$进入液相,随着氧化反应继续进行,$\mathrm{MoO}_{4}^{2-}$将转化为MoO3进入渣相,并在$\mathrm{MoO}_{4}^{2-}$浓度达到饱和时,钼浸出率基本保持不变,而转化率开始提升。钼氧化率是钼浸出率与钼转化率之和,随矿石粒级减小、氧分压增大、温度升高、搅拌速度提升而提高。辉钼矿的氧压水浸过程符合混合控制模型,反应活化能为40.55 kJ/mol。
  • 辽宁科技大学优秀人才项目(2021YQ05)
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doi: 10.13355/j.cnki.sfyj.2024.01.008
  • 接收时间:2023-08-20
  • 首发时间:2025-09-10
  • 出版时间:2024-02-20
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  • 收稿日期:2023-08-20
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辽宁科技大学优秀人才项目(2021YQ05)
作者信息
    辽宁科技大学 矿业工程学院, 辽宁 鞍山 101145

通讯作者:

韩百岁(1987—),男,博士,副教授,主要研究方向为硫化矿湿法冶金。E-mail:
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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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