Article(id=1236327872177172941, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.02.021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1667491200000, receivedDateStr=2022-11-04, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693134587, onlineDateStr=2026-03-05, pubDate=1680278400000, pubDateStr=2023-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693134587, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693134587, creator=13701087609, updateTime=1772693134587, updator=13701087609, issue=Issue{id=1236327863171993957, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='2', pageStart='1', pageEnd='170', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693132441, creator=13701087609, updateTime=1772693403732, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236329001107640372, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236329001107640373, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=91, endPage=96, ext={EN=ArticleExt(id=1236327872466579933, articleId=1236327872177172941, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Magnetizing Roasting with Additive Activation and Low Intensity Magnetic Separation for Iron Recovery from Red Mud, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

In order to investigate the influence of additive on iron recovery from red mud by using a process consisting of magnetizing roasting and low intensity magnetic separation, a kind of red mud containing high content of iron and aluminum was taken for experiments. It is found that addition of dolomite and phosphogypsum won't bring any effect to iron recovery, but sodium sulfate can bring an obvious activation effect. In the experiment, the roasting process ran at 650 ℃ for 90 min, with the addition of sodium sulfate at an amount of 10%, with total gas flow at a rate of 500 mL/min and CO at a volume fraction of 30%. And then, the obtained calcine, after being ground to a fineness of -0.045 mm 65%, was subjected to a magnetic separation with magnetic intensity of 68.8 kA/m, yielding an iron concentrate with 60.65% TFe grade at 94.01% recovery. The subsequent thermodynamic analysis showed that at the temperature within the tested range, both dolomite and phosphogypsum were conducive to the decomposition of iron olivine rather than iron spinel, while sodium sulfate could work for both.

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为查明添加剂对赤泥磁化焙烧-弱磁选回收铁的影响,以某高铁高铝赤泥为研究对象,研究了焙烧、磁选制度对铁回收率的影响。结果表明,白云石和磷石膏对铁的回收无明显作用,而硫酸钠活化作用明显。较佳实验条件为:硫酸钠用量10%、焙烧温度650 ℃、焙烧时间90 min、总气体流量500 mL/min、CO体积分数30%、焙砂磨矿细度-0.045 mm粒级占比65%、磁场强度68.8 kA/m,此时可获得TFe品位和回收率分别为60.65%和94.01%的磁铁精矿。热力学分析结果表明,在研究温度范围内,白云石与磷石膏均有利于铁橄榄石的分解,而对铁尖晶石的分解不起作用,硫酸钠则可同时促进二者的分解。

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刘明霞(1989-),女,湖北仙桃人,博士,讲师,主要从事矿物加工与提取冶金研究。
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郝娇(1995—),女,湖北黄冈人,硕士研究生,主要研究方向为矿物加工与固废资源利用。

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郝娇(1995—),女,湖北黄冈人,硕士研究生,主要研究方向为矿物加工与固废资源利用。

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郝娇(1995—),女,湖北黄冈人,硕士研究生,主要研究方向为矿物加工与固废资源利用。

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添加剂活化赤泥磁化焙烧-弱磁选回收铁
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郝娇 1 , 毛润 1 , 胡超杰 1 , 张汉泉 1, 2 , 刘明霞 1, 2
矿冶工程杂志 | 冶金 2023,43(2): 91-96
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矿冶工程杂志 | 冶金 2023, 43(2): 91-96
添加剂活化赤泥磁化焙烧-弱磁选回收铁
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郝娇1, 毛润1, 胡超杰1, 张汉泉1, 2, 刘明霞1, 2
作者信息
  • 1.武汉工程大学 资源与安全工程学院,湖北 武汉 430205
  • 2.武汉工程大学 磷资源开发利用教育部工程研究中心,湖北 武汉 430073
  • 郝娇(1995—),女,湖北黄冈人,硕士研究生,主要研究方向为矿物加工与固废资源利用。

通讯作者:

刘明霞(1989-),女,湖北仙桃人,博士,讲师,主要从事矿物加工与提取冶金研究。
Magnetizing Roasting with Additive Activation and Low Intensity Magnetic Separation for Iron Recovery from Red Mud
Jiao HAO1, Run MAO1, Chaojie HU1, Hanquan ZHANG1, 2, Mingxia LIU1, 2
Affiliations
  • 1.School of Resources and Safety Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei, China
  • 2.Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Wuhan Institute of Technology, Wuhan 430073, Hubei, China
出版时间: 2023-04-01 doi: 10.3969/j.issn.0253-6099.2023.02.021
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为查明添加剂对赤泥磁化焙烧-弱磁选回收铁的影响,以某高铁高铝赤泥为研究对象,研究了焙烧、磁选制度对铁回收率的影响。结果表明,白云石和磷石膏对铁的回收无明显作用,而硫酸钠活化作用明显。较佳实验条件为:硫酸钠用量10%、焙烧温度650 ℃、焙烧时间90 min、总气体流量500 mL/min、CO体积分数30%、焙砂磨矿细度-0.045 mm粒级占比65%、磁场强度68.8 kA/m,此时可获得TFe品位和回收率分别为60.65%和94.01%的磁铁精矿。热力学分析结果表明,在研究温度范围内,白云石与磷石膏均有利于铁橄榄石的分解,而对铁尖晶石的分解不起作用,硫酸钠则可同时促进二者的分解。

赤泥  /  添加剂  /  活化  /  磁化焙烧  /  弱磁选  /  赤泥选铁

In order to investigate the influence of additive on iron recovery from red mud by using a process consisting of magnetizing roasting and low intensity magnetic separation, a kind of red mud containing high content of iron and aluminum was taken for experiments. It is found that addition of dolomite and phosphogypsum won't bring any effect to iron recovery, but sodium sulfate can bring an obvious activation effect. In the experiment, the roasting process ran at 650 ℃ for 90 min, with the addition of sodium sulfate at an amount of 10%, with total gas flow at a rate of 500 mL/min and CO at a volume fraction of 30%. And then, the obtained calcine, after being ground to a fineness of -0.045 mm 65%, was subjected to a magnetic separation with magnetic intensity of 68.8 kA/m, yielding an iron concentrate with 60.65% TFe grade at 94.01% recovery. The subsequent thermodynamic analysis showed that at the temperature within the tested range, both dolomite and phosphogypsum were conducive to the decomposition of iron olivine rather than iron spinel, while sodium sulfate could work for both.

red mud  /  additive  /  activation  /  magnetizing roasting  /  low intensity magnetic separation  /  iron recovery from red mud
郝娇, 毛润, 胡超杰, 张汉泉, 刘明霞. 添加剂活化赤泥磁化焙烧-弱磁选回收铁. 矿冶工程杂志, 2023 , 43 (2) : 91 -96 . DOI: 10.3969/j.issn.0253-6099.2023.02.021
Jiao HAO, Run MAO, Chaojie HU, Hanquan ZHANG, Mingxia LIU. Magnetizing Roasting with Additive Activation and Low Intensity Magnetic Separation for Iron Recovery from Red Mud[J]. Mining and Metallurgical Engineering, 2023 , 43 (2) : 91 -96 . DOI: 10.3969/j.issn.0253-6099.2023.02.021
  • 国家自然科学基金面上项目(51974204)
  • 武汉工程大学科学基金(20QD66)
  • 武汉工程大学研究生教育创新基金(CX2021465)
2023年第43卷第2期
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doi: 10.3969/j.issn.0253-6099.2023.02.021
  • 接收时间:2022-11-04
  • 首发时间:2026-03-05
  • 出版时间:2023-04-01
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出版历史
  • 收稿日期:2022-11-04
基金
国家自然科学基金面上项目(51974204)
武汉工程大学科学基金(20QD66)
武汉工程大学研究生教育创新基金(CX2021465)
作者信息
    1.武汉工程大学 资源与安全工程学院,湖北 武汉 430205
    2.武汉工程大学 磷资源开发利用教育部工程研究中心,湖北 武汉 430073

通讯作者:

刘明霞(1989-),女,湖北仙桃人,博士,讲师,主要从事矿物加工与提取冶金研究。
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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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