Article(id=1236327869933212333, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.02.023, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1667836800000, receivedDateStr=2022-11-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693134053, onlineDateStr=2026-03-05, pubDate=1680278400000, pubDateStr=2023-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693134053, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693134053, creator=13701087609, updateTime=1772693134053, 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=102, endPage=104, ext={EN=ArticleExt(id=1236327870201647820, articleId=1236327869933212333, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Clean Treatment of Pyrolysis for Sulfur-Containing Cyanidation Tails, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

The sulfur-containing cyanide leaching tails were taken for experimental research by using pyrolysis process in a rotary kiln for degradation to remove cyanide as well as sulfur fixation. The influence of temperature, atmosphere, shielding gas flow rate, and the time of constant temperature for pyrolysis process on the degradation effect were all investigated. After experiment, soil testing was performed to detest the toxicity of the leaching tails for determine the effect of the clean treatment. It is found that under the atmosphere of 95%N2, after 2 hours pyrolysis at a constant temperature with the highest temperature at 500 ℃, the total cyanide content in the tails detected by soil testing is less than 0.04 mg/kg, showing the content of total cyanide, copper, lead and zinc after cyanide leaching all can meet the relevant requirements for class I general solid waste in GB 18599-2020. The sulfur fixation rate in the left slag is approaching 100% after pyrolysis, and there is no large amount of SO2 in the flue gas during pyrolysis. It is concluded that clean treatment of cyanidation tails can be actualized by using this low-temperature pyrolysis process.

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以含硫氰化浸出后尾渣为研究对象,采用回转窑低温热解工艺,进行了降解除氰和固硫实验研究。考察了热解温度、热解气氛、保护气体流量和热解恒温时间对降解效果的影响;并对处理后尾渣进行了浸出毒性和土壤法检测,确定氰化尾渣无害化处理效果。结果表明,在95%N2气氛下,最高热解温度500 ℃、热解恒温2 h后,尾渣中土壤法检测总氰化物含量低于0.04 mg/kg,毒性浸出总氰化物、铜、铅、锌含量均达到GB 18599-2020中第Ⅰ类一般固体废物相关要求;热解后渣中硫的固定率接近100%,热解过程烟气中无大量SO2产生。通过低温热解工艺实现了氰化尾渣的无害化处理。

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高腾跃(1987—),男,山东荣成人,博士,高级工程师,主要从事黄金选冶及资源综合利用的研究。

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高腾跃(1987—),男,山东荣成人,博士,高级工程师,主要从事黄金选冶及资源综合利用的研究。

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高腾跃(1987—),男,山东荣成人,博士,高级工程师,主要从事黄金选冶及资源综合利用的研究。

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含硫氰化尾渣热解无害化处理工艺研究
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高腾跃 1, 2 , 李光胜 1, 2 , 朱幸福 1, 2 , 吉强 1
矿冶工程杂志 | 冶金 2023,43(2): 102-104
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矿冶工程杂志 | 冶金 2023, 43(2): 102-104
含硫氰化尾渣热解无害化处理工艺研究
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高腾跃1, 2, 李光胜1, 2, 朱幸福1, 2, 吉强1
作者信息
  • 1.山东黄金矿业科技有限公司选冶实验室分公司,山东 烟台 261400
  • 2.山东黄金矿业科技有限公司,山东 济南 250100
  • 高腾跃(1987—),男,山东荣成人,博士,高级工程师,主要从事黄金选冶及资源综合利用的研究。

Clean Treatment of Pyrolysis for Sulfur-Containing Cyanidation Tails
Tengyue GAO1, 2, Guangsheng LI1, 2, Xingfu ZHU1, 2, Qiang JI1
Affiliations
  • 1.Metallurgical Laboratory Branch of Shandong Gold Mining Technology Co Ltd, Yantai 261400, Shandong, China
  • 2.Shandong Gold Mining Technology Co Ltd, Jinan 250100, Shandong, China
出版时间: 2023-04-01 doi: 10.3969/j.issn.0253-6099.2023.02.023
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以含硫氰化浸出后尾渣为研究对象,采用回转窑低温热解工艺,进行了降解除氰和固硫实验研究。考察了热解温度、热解气氛、保护气体流量和热解恒温时间对降解效果的影响;并对处理后尾渣进行了浸出毒性和土壤法检测,确定氰化尾渣无害化处理效果。结果表明,在95%N2气氛下,最高热解温度500 ℃、热解恒温2 h后,尾渣中土壤法检测总氰化物含量低于0.04 mg/kg,毒性浸出总氰化物、铜、铅、锌含量均达到GB 18599-2020中第Ⅰ类一般固体废物相关要求;热解后渣中硫的固定率接近100%,热解过程烟气中无大量SO2产生。通过低温热解工艺实现了氰化尾渣的无害化处理。

低温热解  /  含氰尾渣  /  无害化处理  /  除氰  /  固硫

The sulfur-containing cyanide leaching tails were taken for experimental research by using pyrolysis process in a rotary kiln for degradation to remove cyanide as well as sulfur fixation. The influence of temperature, atmosphere, shielding gas flow rate, and the time of constant temperature for pyrolysis process on the degradation effect were all investigated. After experiment, soil testing was performed to detest the toxicity of the leaching tails for determine the effect of the clean treatment. It is found that under the atmosphere of 95%N2, after 2 hours pyrolysis at a constant temperature with the highest temperature at 500 ℃, the total cyanide content in the tails detected by soil testing is less than 0.04 mg/kg, showing the content of total cyanide, copper, lead and zinc after cyanide leaching all can meet the relevant requirements for class I general solid waste in GB 18599-2020. The sulfur fixation rate in the left slag is approaching 100% after pyrolysis, and there is no large amount of SO2 in the flue gas during pyrolysis. It is concluded that clean treatment of cyanidation tails can be actualized by using this low-temperature pyrolysis process.

low temperature pyrolysis  /  cyanide tails  /  clean treatment  /  cyanide removal  /  sulfur fixation
高腾跃, 李光胜, 朱幸福, 吉强. 含硫氰化尾渣热解无害化处理工艺研究. 矿冶工程杂志, 2023 , 43 (2) : 102 -104 . DOI: 10.3969/j.issn.0253-6099.2023.02.023
Tengyue GAO, Guangsheng LI, Xingfu ZHU, Qiang JI. Clean Treatment of Pyrolysis for Sulfur-Containing Cyanidation Tails[J]. Mining and Metallurgical Engineering, 2023 , 43 (2) : 102 -104 . DOI: 10.3969/j.issn.0253-6099.2023.02.023
  • “十四五”国家重点研发计划(2021YFC2902401)
2023年第43卷第2期
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doi: 10.3969/j.issn.0253-6099.2023.02.023
  • 接收时间:2022-11-08
  • 首发时间:2026-03-05
  • 出版时间:2023-04-01
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  • 收稿日期:2022-11-08
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“十四五”国家重点研发计划(2021YFC2902401)
作者信息
    1.山东黄金矿业科技有限公司选冶实验室分公司,山东 烟台 261400
    2.山东黄金矿业科技有限公司,山东 济南 250100
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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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