Article(id=1236333408079639293, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.01.019, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1660838400000, receivedDateStr=2022-08-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772694454450, onlineDateStr=2026-03-05, pubDate=1675180800000, pubDateStr=2023-02-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772694454450, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772694454450, creator=13701087609, updateTime=1772694454450, updator=13701087609, issue=Issue{id=1236333405122646435, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='1', pageStart='1', pageEnd='159', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772694453745, creator=13701087609, updateTime=1772694772892, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236334743785099547, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236334743785099548, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=84, endPage=88, ext={EN=ArticleExt(id=1236333408306131723, articleId=1236333408079639293, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Kinetics of Simultaneous Reduction of Iron and Manganese Oxides During Reduction of High-Iron Manganese Oxide Ore, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

Experiments were performed in a tube furnace for reduction roasting of high-iron manganese oxide ore, respectively with gas-based (CO) and pulverized coal as reducing agents. The effects of roasting temperature and roasting time on the simultaneous reduction of manganese and iron oxides therein were investigated. The results show that during the gas-based reduction roasting, the reduction process of Mn2O3 is controlled by chemical reaction, with apparent activation energy of 42.64 kJ/mol. However, the magnetization process of Fe2O3 is controlled by internal diffusion, with apparent activation energy of 21.30 kJ/mol. Compared to coal-based roasting process, Mn2O3 and Fe2O3 are easier to be reduced during the process of gas-based reduction roasting, and the manganese oxides can be directly reduced from Mn2O3 to MnO without the step of being reduced to intermediate product Mn3O4.

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分别采用气基(CO)和煤粉为还原剂,在管炉中进行了高铁氧化锰矿还原焙烧试验,探究了焙烧温度和焙烧时间对高铁氧化锰矿中锰和铁氧化物同步还原的影响。结果表明,气基还原焙烧条件下,Mn2O3还原过程受化学反应控制,还原反应表观活化能为42.64 kJ/mol;Fe2O3还原过程受内扩散控制,还原反应表观活化能为21.30 kJ/mol。与煤基焙烧相比,气基还原焙烧过程中Mn2O3和Fe2O3还原反应更容易进行,且锰氧化物由Mn2O3直接还原为MnO,不需要先还原为Mn3O4中间产物。

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路漫漫(1989—),男,安徽铜陵人,博士,讲师,主要从事复杂矿物及固废综合利用、废水处理等研究。
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张汉泉(1971—),男,湖北浠水人,博士,教授,主要从事铁矿造块、复杂铁矿综合利用研究。

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张汉泉(1971—),男,湖北浠水人,博士,教授,主要从事铁矿造块、复杂铁矿综合利用研究。

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张汉泉(1971—),男,湖北浠水人,博士,教授,主要从事铁矿造块、复杂铁矿综合利用研究。

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高铁氧化锰矿还原过程中铁锰氧化物同步还原动力学研究
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张汉泉 , 杨帆 , 许鑫 , 路漫漫
矿冶工程杂志 | 冶金 2023,43(1): 84-88
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矿冶工程杂志 | 冶金 2023, 43(1): 84-88
高铁氧化锰矿还原过程中铁锰氧化物同步还原动力学研究
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张汉泉, 杨帆, 许鑫, 路漫漫
作者信息
  • 武汉工程大学 资源与安全工程学院,湖北 武汉 430205
  • 张汉泉(1971—),男,湖北浠水人,博士,教授,主要从事铁矿造块、复杂铁矿综合利用研究。

通讯作者:

路漫漫(1989—),男,安徽铜陵人,博士,讲师,主要从事复杂矿物及固废综合利用、废水处理等研究。
Kinetics of Simultaneous Reduction of Iron and Manganese Oxides During Reduction of High-Iron Manganese Oxide Ore
Hanquan ZHANG, Fan YANG, Xin XU, Manman LU
Affiliations
  • School of Resources and Safety Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei, China
出版时间: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.019
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分别采用气基(CO)和煤粉为还原剂,在管炉中进行了高铁氧化锰矿还原焙烧试验,探究了焙烧温度和焙烧时间对高铁氧化锰矿中锰和铁氧化物同步还原的影响。结果表明,气基还原焙烧条件下,Mn2O3还原过程受化学反应控制,还原反应表观活化能为42.64 kJ/mol;Fe2O3还原过程受内扩散控制,还原反应表观活化能为21.30 kJ/mol。与煤基焙烧相比,气基还原焙烧过程中Mn2O3和Fe2O3还原反应更容易进行,且锰氧化物由Mn2O3直接还原为MnO,不需要先还原为Mn3O4中间产物。

氧化锰矿  /  动力学  /  限制环节  /  还原焙烧  /  活化能  /  气基还原  /  煤基还原

Experiments were performed in a tube furnace for reduction roasting of high-iron manganese oxide ore, respectively with gas-based (CO) and pulverized coal as reducing agents. The effects of roasting temperature and roasting time on the simultaneous reduction of manganese and iron oxides therein were investigated. The results show that during the gas-based reduction roasting, the reduction process of Mn2O3 is controlled by chemical reaction, with apparent activation energy of 42.64 kJ/mol. However, the magnetization process of Fe2O3 is controlled by internal diffusion, with apparent activation energy of 21.30 kJ/mol. Compared to coal-based roasting process, Mn2O3 and Fe2O3 are easier to be reduced during the process of gas-based reduction roasting, and the manganese oxides can be directly reduced from Mn2O3 to MnO without the step of being reduced to intermediate product Mn3O4.

manganese oxide ore  /  kinetics  /  limit link  /  reduction roasting  /  activation energy  /  gas-based reduction  /  coal-based reduction
张汉泉, 杨帆, 许鑫, 路漫漫. 高铁氧化锰矿还原过程中铁锰氧化物同步还原动力学研究. 矿冶工程杂志, 2023 , 43 (1) : 84 -88 . DOI: 10.3969/j.issn.0253-6099.2023.01.019
Hanquan ZHANG, Fan YANG, Xin XU, Manman LU. Kinetics of Simultaneous Reduction of Iron and Manganese Oxides During Reduction of High-Iron Manganese Oxide Ore[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 84 -88 . DOI: 10.3969/j.issn.0253-6099.2023.01.019
  • 国家自然科学基金(51974204; 52204276)
  • 广西建筑新能源与节能重点实验室开放基金(22-J-22-2)
2023年第43卷第1期
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doi: 10.3969/j.issn.0253-6099.2023.01.019
  • 接收时间:2022-08-19
  • 首发时间:2026-03-05
  • 出版时间:2023-02-01
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  • 收稿日期:2022-08-19
基金
国家自然科学基金(51974204; 52204276)
广西建筑新能源与节能重点实验室开放基金(22-J-22-2)
作者信息
    武汉工程大学 资源与安全工程学院,湖北 武汉 430205

通讯作者:

路漫漫(1989—),男,安徽铜陵人,博士,讲师,主要从事复杂矿物及固废综合利用、废水处理等研究。
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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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