Article(id=1240648784275886253, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240648781595725960, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2024.05.028, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1711641600000, receivedDateStr=2024-03-29, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773723320310, onlineDateStr=2026-03-17, pubDate=1727712000000, pubDateStr=2024-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773723320310, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773723320310, creator=13701087609, updateTime=1773723320310, updator=13701087609, issue=Issue{id=1240648781595725960, tenantId=1146029695717560320, journalId=1235980550691926019, year='2024', volume='44', issue='5', pageStart='1', pageEnd='184', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773723319672, creator=13701087609, updateTime=1773824608750, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241073618831078097, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240648781595725960, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241073618831078098, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240648781595725960, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=137, endPage=141, ext={EN=ArticleExt(id=1240648785014083769, articleId=1240648784275886253, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Thermodynamic Analysis and Experimental Study for Removing Arsenic by Sulfuration from Waste Acidic Solution After Copper Electrolysis, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=
Thermodynamic analysis was conducted with HSC Chemistry 9.0 software for removing arsenic by sulfuration from waste acidic solution left after copper electrolysis, and it is found that H2S could effectively make asenous acid and arsenate in the high-concentrated sulfuric acid system precipitated by sulfuration. Based on the theoretical analysis results, an experiment on arsenic removal of waste acidic solution by sulfuration was carried out to investigate the effects of sulfurizing agent dosage and reaction time on the arsenic precipitation effect by sufuration. Results show that by 30 min-sulfuration with an addition of H2S at 0.87 times the theoretical amount, the arsenic content in waste acidic solution after precipitation process falls down to 10.68 mg/L from 6 777.52 mg/L, and the removal rates of arsenic, copper and antimony are 99.84%, 99.76% and 99.33%, respectively. The iron and nickel therein are hardly precipitated, and the mass fraction of arsenic and sulfur in the residue of the arsenic removal process are 43.21% and 44.68%, among which the arsenic in the form of arsenic sulfide is in a mass fraction of 42.33%, and S/As in the arsenic sulfide is in a ratio of 2.29. The finally obtained product is a mixture of As2S3 and As2S5. It is shown that the thermodynamic analysis results differ slightly from the experimental results, but are still of guiding reference for experiments and practice.
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运用HSC Chemistry 9.0热力学软件对铜电解黑酸硫化脱砷反应进行热力学分析,发现H2S可以实现对高浓度硫酸体系中亚砷酸和砷酸的硫化沉淀。根据理论分析结果进行黑酸硫化脱砷试验,考察了硫化剂用量、反应时间对硫化沉砷效果的影响。结果表明,在室温下,H2S用量为理论量的0.87倍、反应时间30 min条件下,经硫化沉淀后的黑酸含砷量从6 777.52 mg/L降至10.68 mg/L,黑酸中砷、铜、锑去除率分别为99.84%、99.76%、99.33%,铁镍几乎不沉淀,脱砷渣中砷和硫质量分数分别为43.21%和44.68%,其中硫化砷形态的硫质量分数为42.33%,硫化砷S/As物质的量比为2.29,产物为As2S3和As2S5等的混合物。热力学分析与试验结果略有出入,但其对试验和实践仍具有一定的指导作用。
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周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。E-mail:zza127@163.com
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周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。E-mail:zza127@163.com
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周兆安(1987—),男,浙江平阳人,硕士,高级工程师,主要从事有色金属二次资源综合利用研究工作。E-mail:zza127@163.com
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1.Guangdong Feinan Resources Recycling Co., Ltd., Zhaoqing 526233, Guangdong, China
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1.Guangdong Feinan Resources Recycling Co., Ltd., Zhaoqing 526233, Guangdong, China
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不同硫化氢用量及不同温度下的元素平衡组成情况(a)As平衡组成;(b)Sb平衡组成;(c)硫化沉淀物平衡组成
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硫化氢用量对As物相组成及去除效果的影响(a)As的平衡物相组成及沉淀率;(b)硫化砷的物相组成
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硫化氢用量对Sb物相组成和其他元素沉淀效果的影响(a)Sb的平衡物相组成及沉淀率;(b)其他元素的沉淀率
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反应时间对硫化沉淀效果的影响, figureFileSmall=2SMfJOQ2jp11R2yCgi9sOA==, figureFileBig=oX2Gp55x40lZoGGcayRyQw==, tableContent=null), ArticleFig(id=1240648795948634864, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648784275886253, language=EN, label=null, caption=null, figureFileSmall=a9x/G8idVVKzxXx5q4Fv+Q==, figureFileBig=H6KRSJ/cKLk63CmfnCvqjw==, tableContent=null), ArticleFig(id=1240648796053492476, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648784275886253, language=CN, label=图5, caption=
硫化氢用量对硫化沉淀效果的影响(a)各元素沉淀率;(b)砷沉淀的线性拟合
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硫化砷渣XRD图谱, figureFileSmall=ylsO7lVAVavThFPSjiJtQA==, figureFileBig=w1e4d3eEtRC1BjZg3uX51Q==, tableContent=null), ArticleFig(id=1240648796363871003, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648784275886253, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni | As(Ⅴ) | As(Ⅲ) | Cu | Fe | Sb |
|---|
| 6 830 | 5 956.23 | 821.29 | 69.63 | 83.47 | 102.37 |
), ArticleFig(id=1240648796493894440, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648784275886253, language=CN, label=表1, caption=
铜电解黑酸主要杂质含量(质量浓度)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni | As(Ⅴ) | As(Ⅲ) | Cu | Fe | Sb |
|---|
| 6 830 | 5 956.23 | 821.29 | 69.63 | 83.47 | 102.37 |
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| H2O | H+ |  | H3AsO4 | H3AsO3 |
| 413.86 | 83.37 | 83.37 | 0.88 | 0.12 |
| Cu2+ | Fe2+ | Ni2+ | SbO+ | H2S |
| 0.01 | 0.02 | 1.28 | 0.01 | 0~3.08 |
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模拟计算参数设定值
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| H2O | H+ |  | H3AsO4 | H3AsO3 |
| 413.86 | 83.37 | 83.37 | 0.88 | 0.12 |
| Cu2+ | Fe2+ | Ni2+ | SbO+ | H2S |
| 0.01 | 0.02 | 1.28 | 0.01 | 0~3.08 |
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| H2S用量(理论用量倍数)/倍 | 沉淀后液中元素质量浓度/(mg·L-1) |
|---|
| As(Ⅴ) | As(Ⅲ) | Cu | Sb |
|---|
| 0.22 | 2 938.29 | 2 909.63 | 67.47 | 87.43 |
| 0.44 | 1 084.44 | 2 871.51 | 53.07 | 79.72 |
| 0.65 | 348.01 | 1 992.83 | 48.22 | 76.83 |
| 0.76 | 53.70 | 857.52 | 39.06 | 64.45 |
| 0.87 | 1.04 | 9.64 | 0.17 | 0.69 |
| 1.09 | 0.44 | 7.66 | 0.14 | 0.89 |
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不同硫化氢用量条件下硫化沉淀后液组成情况
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| H2S用量(理论用量倍数)/倍 | 沉淀后液中元素质量浓度/(mg·L-1) |
|---|
| As(Ⅴ) | As(Ⅲ) | Cu | Sb |
|---|
| 0.22 | 2 938.29 | 2 909.63 | 67.47 | 87.43 |
| 0.44 | 1 084.44 | 2 871.51 | 53.07 | 79.72 |
| 0.65 | 348.01 | 1 992.83 | 48.22 | 76.83 |
| 0.76 | 53.70 | 857.52 | 39.06 | 64.45 |
| 0.87 | 1.04 | 9.64 | 0.17 | 0.69 |
| 1.09 | 0.44 | 7.66 | 0.14 | 0.89 |
), ArticleFig(id=1240648797030765401, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648784275886253, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| H2S用量(理论用量倍数)/倍 | 硫化渣中元素质量分数/% | S/As物质的量比 | y/x比 |
|---|
| 总As | 总S | AsxSy-S | Cu | Sb | Fe | Ni |
|---|
| 0.22 | 30.95 | 54.31 | 33.00 | 0.19 | 1.81 | 0.02 | 0 | 4.11 | 2.50 |
| 0.44 | 32.59 | 44.16 | 33.72 | 0.19 | 0.84 | 0.02 | 0.09 | 3.17 | 2.42 |
| 0.65 | 41.95 | 47.41 | 40.79 | 0.23 | 0.79 | 0.04 | 0.05 | 2.65 | 2.28 |
| 0.76 | 45.71 | 47.73 | 42.00 | 0.19 | 0.67 | 0.02 | 0.07 | 2.45 | 2.15 |
| 0.87 | 43.21 | 44.68 | 42.33 | 0.47 | 1.10 | 0.02 | 0.02 | 2.42 | 2.29 |
| 1.09 | 45.77 | 45.81 | 39.18 | 0.38 | 1.05 | 0.02 | 0 | 2.34 | 2.00 |
), ArticleFig(id=1240648797139817315, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648784275886253, language=CN, label=表4, caption=
不同硫化氢用量条件下硫化渣组成情况
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| H2S用量(理论用量倍数)/倍 | 硫化渣中元素质量分数/% | S/As物质的量比 | y/x比 |
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| 总As | 总S | AsxSy-S | Cu | Sb | Fe | Ni |
|---|
| 0.22 | 30.95 | 54.31 | 33.00 | 0.19 | 1.81 | 0.02 | 0 | 4.11 | 2.50 |
| 0.44 | 32.59 | 44.16 | 33.72 | 0.19 | 0.84 | 0.02 | 0.09 | 3.17 | 2.42 |
| 0.65 | 41.95 | 47.41 | 40.79 | 0.23 | 0.79 | 0.04 | 0.05 | 2.65 | 2.28 |
| 0.76 | 45.71 | 47.73 | 42.00 | 0.19 | 0.67 | 0.02 | 0.07 | 2.45 | 2.15 |
| 0.87 | 43.21 | 44.68 | 42.33 | 0.47 | 1.10 | 0.02 | 0.02 | 2.42 | 2.29 |
| 1.09 | 45.77 | 45.81 | 39.18 | 0.38 | 1.05 | 0.02 | 0 | 2.34 | 2.00 |
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