Article(id=1236319265746375388, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.03.028, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1671638400000, receivedDateStr=2022-12-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772691082654, onlineDateStr=2026-03-05, pubDate=1685548800000, pubDateStr=2023-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772691082654, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772691082654, creator=13701087609, updateTime=1772691082654, updator=13701087609, issue=Issue{id=1236316193171239730, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='3', pageStart='1', pageEnd='179', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772690350096, creator=13701087609, updateTime=1772691872061, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236322576809652696, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236322576809652697, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=124, endPage=127, ext={EN=ArticleExt(id=1236319266870448881, articleId=1236319265746375388, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Experimental Study on Gold Extraction from Sulfur Concentrate by Roasting and Leaching, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

Experiments of roasting and leaching of some sulfur concentrate were performed, and the effects of two schemes with fixed bed roasting and fluidized bed roasting on gold extraction were analyzed. The results showed that with the sulfur concentrate at a sizing of 80% -0.074 mm, the proper conditions for a fixed bed roasting included a roasting temperature of 650 ℃ and roasting time of 4 h; while the proper conditions for a fluidized bed roasting included a roasting temperature of 650 ℃ and roasting time of 3 h, roasting gas and material in a ratio of 2.1 m³/kg. The calcines obtained by these two roasting methods were then separately leached for 24 h with the slurry concentration of 33% and pH of 11.5, 2 h alkali treatment and CG505 dosage of 10 kg/t, resulting in the leaching rate of gold reaching 69.45% and 69.92% respectively. It is shown that the fluidized bed roasting can bring in a better gold extraction result. This research results can provide a technical basis for recovery of valuable elements from sulfur concentrate.

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对某硫精矿进行了焙烧、浸出试验研究，比较了固定床焙烧和沸腾焙烧对金浸出率的影响。结果表明，固定床焙烧适宜条件为：硫精矿粒度-0.074 mm粒级含量80%、焙烧温度650 ℃、焙烧时间4 h，沸腾焙烧适宜条件为：硫精矿粒度-0.074 mm粒级含量80%、焙烧温度650 ℃、焙烧时间3 h、焙烧气料比2.1 m³/kg。2种焙烧方式所得焙砂在矿浆浓度33%、矿浆pH值11.5、碱处理时间2 h、CG505用量10 kg/t条件下浸出24 h，金浸出率分别为69.45%和69.92%，沸腾焙烧提金效果更佳。研究结果可为从硫精矿中回收有价元素提供技术依据。

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杨孟华（1999—），男，山西临汾人，硕士，主要研究方向为矿山资源利用。

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杨孟华（1999—），男，山西临汾人，硕士，主要研究方向为矿山资源利用。

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