Article(id=1236327382743831364, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327378968965364, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.05.025, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1679932800000, receivedDateStr=2023-03-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693017898, onlineDateStr=2026-03-05, pubDate=1696089600000, pubDateStr=2023-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693017898, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693017898, creator=13701087609, updateTime=1772693017898, updator=13701087609, issue=Issue{id=1236327378968965364, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='5', pageStart='1', pageEnd='177', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693016997, creator=13701087609, updateTime=1772693111855, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236327776882577759, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327378968965364, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236327776882577760, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327378968965364, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=109, endPage=112, ext={EN=ArticleExt(id=1236327383511389044, articleId=1236327382743831364, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Oxygen-Rich Hydrochloric Acid Leaching Process for Mo-Bi Bulk Concentrate, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

Mo-Bi bulk concentrate is usually processed with a longer flowsheet at higher cost, and the traditional bismuth smelting processing technique also features longer flow, high energy consumption, as well as lower bismuth recovery. In order to solve those problems, an oxygen-rich hydrochloric acid leaching process was adopted in an experimental study on beneficiation of Mo-Bi bulk concentrate, and the effects of HCl concentration, leaching time and temperature on the leaching rates of Mo and Bi were investigated. It is shown that oxygen-rich hydrochloric acid leaching at 80 ℃ for 6.0 h, with HCl concentration of 3 mol/L, liquid/solid ratio of 3 ∶ 1, and stirring speed of 500 r/min, can result in the Bi leaching rate up to 99.13% and Mo left in the leaching residue. Thus, molybdenum and bismuth can be efficiently separated. The obtained leaching solution is then subjected to purification for purity removal and replacement with iron plate, and the finally obtained sponge bismuth can have purity exceeding 99%.

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针对钼铋混合精矿进一步分选流程长、成本高以及传统火法炼铋工艺冗长、能耗高、铋回收率偏低等问题,采用通氧盐酸浸出新工艺,考察了盐酸浓度、浸出时间、温度等因素对钼铋浸出的影响,在盐酸浓度3 mol/L、液固比3∶1、温度80 ℃、搅拌转速500 r/min优化条件下通氧气浸出6.0 h,铋浸出率达99.13%,钼不浸出富集于浸出渣中,实现了铋和钼的高效分离;浸出液经净化除杂及铁板置换后得到了纯度99%以上的海绵铋。

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沈裕军(1963—),男,湖南湘乡人,硕士,正高级工程师,主要研究方向为有色金属冶金。
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沈凌畅(1999—),男,湖南岳阳人,硕士研究生,主要从事稀有金属冶金研究。

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沈凌畅(1999—),男,湖南岳阳人,硕士研究生,主要从事稀有金属冶金研究。

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沈凌畅(1999—),男,湖南岳阳人,硕士研究生,主要从事稀有金属冶金研究。

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钼铋混合精矿盐酸浸出分离并制备海绵铋工艺研究
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沈凌畅 , 周小舟 , 沈裕军 , 彭俊 , 蔡云卓 , 朱安宇
矿冶工程杂志 | 冶金 2023,43(5): 109-112
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矿冶工程杂志 | 冶金 2023, 43(5): 109-112
钼铋混合精矿盐酸浸出分离并制备海绵铋工艺研究
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沈凌畅, 周小舟, 沈裕军, 彭俊, 蔡云卓, 朱安宇
作者信息
  • 长沙矿冶研究院有限责任公司,湖南 长沙 410012
  • 沈凌畅(1999—),男,湖南岳阳人,硕士研究生,主要从事稀有金属冶金研究。

通讯作者:

沈裕军(1963—),男,湖南湘乡人,硕士,正高级工程师,主要研究方向为有色金属冶金。
Oxygen-Rich Hydrochloric Acid Leaching Process for Mo-Bi Bulk Concentrate
Lingchang SHEN, Xiaozhou ZHOU, Yujun SHEN, Jun PENG, Yunzhuo CAI, Anyu ZHU
Affiliations
  • Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
出版时间: 2023-10-01 doi: 10.3969/j.issn.0253-6099.2023.05.025
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针对钼铋混合精矿进一步分选流程长、成本高以及传统火法炼铋工艺冗长、能耗高、铋回收率偏低等问题,采用通氧盐酸浸出新工艺,考察了盐酸浓度、浸出时间、温度等因素对钼铋浸出的影响,在盐酸浓度3 mol/L、液固比3∶1、温度80 ℃、搅拌转速500 r/min优化条件下通氧气浸出6.0 h,铋浸出率达99.13%,钼不浸出富集于浸出渣中,实现了铋和钼的高效分离;浸出液经净化除杂及铁板置换后得到了纯度99%以上的海绵铋。

钼铋混合精矿  /  海绵铋  /  盐酸浸出  /  铋  /  钼  /  柿竹园

Mo-Bi bulk concentrate is usually processed with a longer flowsheet at higher cost, and the traditional bismuth smelting processing technique also features longer flow, high energy consumption, as well as lower bismuth recovery. In order to solve those problems, an oxygen-rich hydrochloric acid leaching process was adopted in an experimental study on beneficiation of Mo-Bi bulk concentrate, and the effects of HCl concentration, leaching time and temperature on the leaching rates of Mo and Bi were investigated. It is shown that oxygen-rich hydrochloric acid leaching at 80 ℃ for 6.0 h, with HCl concentration of 3 mol/L, liquid/solid ratio of 3 ∶ 1, and stirring speed of 500 r/min, can result in the Bi leaching rate up to 99.13% and Mo left in the leaching residue. Thus, molybdenum and bismuth can be efficiently separated. The obtained leaching solution is then subjected to purification for purity removal and replacement with iron plate, and the finally obtained sponge bismuth can have purity exceeding 99%.

Mo-Bi bulk concentrate  /  sponge bismuth  /  hydrochloric acid leaching  /  Bi  /  Mo  /  shizhuyuan
沈凌畅, 周小舟, 沈裕军, 彭俊, 蔡云卓, 朱安宇. 钼铋混合精矿盐酸浸出分离并制备海绵铋工艺研究. 矿冶工程杂志, 2023 , 43 (5) : 109 -112 . DOI: 10.3969/j.issn.0253-6099.2023.05.025
Lingchang SHEN, Xiaozhou ZHOU, Yujun SHEN, Jun PENG, Yunzhuo CAI, Anyu ZHU. Oxygen-Rich Hydrochloric Acid Leaching Process for Mo-Bi Bulk Concentrate[J]. Mining and Metallurgical Engineering, 2023 , 43 (5) : 109 -112 . DOI: 10.3969/j.issn.0253-6099.2023.05.025
  • 国家重点研发计划(2022YFC2905105)
2023年第43卷第5期
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doi: 10.3969/j.issn.0253-6099.2023.05.025
  • 接收时间:2023-03-28
  • 首发时间:2026-03-05
  • 出版时间:2023-10-01
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  • 收稿日期:2023-03-28
基金
国家重点研发计划(2022YFC2905105)
作者信息
    长沙矿冶研究院有限责任公司,湖南 长沙 410012

通讯作者:

沈裕军(1963—),男,湖南湘乡人,硕士,正高级工程师,主要研究方向为有色金属冶金。
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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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