Article(id=1242136101322825821, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242136140153692391, articleNumber=null, orderNo=19, doi=10.3981/j.issn.1000-7857.2017.11.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1474905600000, receivedDateStr=2016-09-27, revisedDate=1478534400000, revisedDateStr=2016-11-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1497418017337, onlineDateStr=2017-06-14, pubDate=1499875200000, pubDateStr=2017-07-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1500280157520, onlineIssueDateStr=2017-07-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077924325, creator=sys-migrate, updateTime=1774077940162, updator=sys-migrate, issue=Issue{id=1242136140153692391, tenantId=1146029695717560320, journalId=1146031591421210625, year='2017', volume='35', issue='13', pageStart='1', pageEnd='104', issueExtLink='null', onlineDate='null', pubDate='1499875200000', pubDateStr='2017-07-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077933583, creator='sys-migrate', updateTime=1774077933583, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=84, endPage=89, ext={EN=ArticleExt(id=1242136105013813372, articleId=1242136101322825821, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Study on environmental influence of PG cemented backfilling and utilization of full phosphorus slag, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=Phosphogypsum (PG) is an industrial solid waste containing a large number of pollutants, and its surface stockpile has a potentially negative impact on the environment nearby. The PG-based cemented backfill can solve the problem to a great extent. However, the negative environmental impact might be transferred into the underground when PG-based cemented backfill is filled into tunnels of mine, which is still an open question. This paper studies the change of pollutant concentrations in the leachate of PG-based backfill. The results show that the pH value of the leachate tends to be neutral with time. Before backfilling, the phosphate concentration supernatant of PG solution is 3979 mg/L, and it decreases to 1.3 mg/L when PG is made into backfilling material. In the prolonged store underground, the phosphate concentration decreases to about 0.3 mg/L. On the other hand, the concentrations of Zn, Fe, Cr, Mn, Ba, As and other elements in the leachate significantly decrease in the leachate after being cemented. Some F and Pb can dissolve in the leachate indicates that the dissolution migration mechanism and the F, P solidication technology need to be further studied. In conclusion, compared to PG surface stockpile, PG-based cemented backfill can well solidify/stabilize the harmful pollutants in PG, which could be a promising industrial process for PG disposal., authors=GAN Lei, LI Xibing, FAN Yun, SHI Ying, authorsList=GAN Lei, LI Xibing, FAN Yun, SHI Ying, authorCompany=School of Resources & Safety Engineering, Central South University, Changsha 410083, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=6/n769GF64oaW5UrcTP+tQ==, pdfFileSize=988510, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242136104145592435, articleId=1242136101322825821, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=全磷渣胶结充填对环境的影响及其资源化利用, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=通过对不同年份全磷渣充填区域渗滤水中污染物含量进行测定和分析，探索全磷渣胶结充填后渗滤水中各离子含量随时间的变化规律。研究结果表明，充填体渗滤水的pH值随着时间的增加逐渐趋于中性；未充填之前，磷石膏浸出液中总磷浓度高达3979 mg/L，形成充填体后充填体渗滤水中总磷浓度变为1.3 mg/L，经过一定时间的地下水淋滤作用后，总磷浓度降至约0.3mg/L；此外，充填体渗滤水中Zn、Fe、Cr、Mn、Ba、As等元素的含量随充填时间的推移明显降低，且保持在相对较低的水平。但充填体中的部分F和Pb能溶出到渗滤水中，其溶出迁移机理及固化技术有待进一步研究。总体来说，相对磷石膏地表堆存，全磷渣胶结充填可以较好地固结磷石膏中大部分污染物，有着广阔的工业推广价值和发展前景。, authors=甘蕾, 李夕兵, 范昀, 石英, authorsList=甘蕾, 李夕兵, 范昀, 石英, authorCompany=中南大学资源与安全工程学院, 长沙 410083, correspAuthors=null, authorNote=甘蕾,硕士研究生,研究方向为环境岩土工程,电子信箱:icygan@csu.edu.cn, correspAuthorsNote=李夕兵,教授,研究方向为岩石破碎及岩石动力学,电子信箱:xbli@mail.csu.edu.cn, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=F99p+sjaW6qyjbol6M04lw==, pdfFileSize=988510, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=中南大学创新驱动项目（2015CX005，2015CX016）)}, authors=[Author(id=1298674136990118333, tenantId=1146029695717560320, journalId=null, articleId=1242136101322825821, orderNo=null, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=null, email=null, emailSecond=null, emailThird=null, correspondingAuthor=null, authorType=null, ext={EN=AuthorExt(id=null, tenantId=null, journalId=1146031591421210625, articleId=1242136101322825821, authorId=1298674136990118333, language=EN, stringName=GAN Lei, LI Xibing, FAN Yun, SHI Ying, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), 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[20] Pérez-López R, Macías F, Cánovas C R, et al. Pollutant flows from a phosphogypsum disposal area to an estuarine environment: An insight from geochemical signatures.[J]. Science of the Total Environment, 2016, 553:42-51.
[21] Pérez-López R, Nieto J M, López-Coto I, et al. Dynamics of contami- nants in phosphogypsum of the fertilizer industry of Huelva (SW Spain): From phosphate rock ore to the environment[J]. Applied Geo- chemistry, 2010, 25(5): 705-715.
[22] 杨丽. 磷尾矿充填体中有害元素的溶出行为研究[D]. 贵阳: 贵州大 学, 2015. Yang Li. Study on the dissolution behavior of harmful elements in PG tailings backfill[D]. Guiyang: Guizhou University, 2015.
[23] 袁鹏, 谭建红, 官洪霞, 等. 磷石膏中有害杂质对环境影响的监测与 评价[J]. 广东化工, 2013, 40(22): 124-125. Yuan Peng, Tang Jianhong, Guan Hongxia. Monitoring and evaluation of the harmful effects on the environment of the impurities in phosphogypsum[J]. Guangdong Chemical Industry, 2013, 40(22): 124- 125.
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[25] 王文涛. 水环境多种固相物质共存体系中各物质对Pb的吸附及pH 值的影响研究[D]. 吉林: 吉林大学, 2009. Wang Wentao. Study on the effect of various substances on the adsorption of Pb and pH value in water environment[D]. Jilin: Jilin University, 2009.
[26] 赵威, 席北斗, 赵越, 等. 简易填埋场垃圾渗滤液水溶性有机物对Pb (Ⅱ)迁移转化特性的影响[J]. 环境科学研究, 2014, 27(5): 527-533. Zhao Wei, Xi Beidou, Zhao Yue, et al. Effect of dissolved organic matter in simple landfill leachate on the dissolution and migration of Pb(Ⅱ)[J]. Research of Environmental Sciences, 2014, 27(5): 527-533.)
Phosphogypsum (PG) is an industrial solid waste containing a large number of pollutants, and its surface stockpile has a potentially negative impact on the environment nearby. The PG-based cemented backfill can solve the problem to a great extent. However, the negative environmental impact might be transferred into the underground when PG-based cemented backfill is filled into tunnels of mine, which is still an open question. This paper studies the change of pollutant concentrations in the leachate of PG-based backfill. The results show that the pH value of the leachate tends to be neutral with time. Before backfilling, the phosphate concentration supernatant of PG solution is 3979 mg/L, and it decreases to 1.3 mg/L when PG is made into backfilling material. In the prolonged store underground, the phosphate concentration decreases to about 0.3 mg/L. On the other hand, the concentrations of Zn, Fe, Cr, Mn, Ba, As and other elements in the leachate significantly decrease in the leachate after being cemented. Some F and Pb can dissolve in the leachate indicates that the dissolution migration mechanism and the F, P solidication technology need to be further studied. In conclusion, compared to PG surface stockpile, PG-based cemented backfill can well solidify/stabilize the harmful pollutants in PG, which could be a promising industrial process for PG disposal.
GAN Lei, LI Xibing, FAN Yun, SHI Ying.
Study on environmental influence of PG cemented backfilling and utilization of full phosphorus slag[J].
Science & Technology Review,
2017
, 35
(13)
: 84
-89
.
DOI: 10.3981/j.issn.1000-7857.2017.11.013
基金
收起
中南大学创新驱动项目（2015CX005，2015CX016）
参考文献
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[21] Pérez-López R, Nieto J M, López-Coto I, et al. Dynamics of contami- nants in phosphogypsum of the fertilizer industry of Huelva (SW Spain): From phosphate rock ore to the environment[J]. Applied Geo- chemistry, 2010, 25(5): 705-715.
[22] 杨丽. 磷尾矿充填体中有害元素的溶出行为研究[D]. 贵阳: 贵州大 学, 2015. Yang Li. Study on the dissolution behavior of harmful elements in PG tailings backfill[D]. Guiyang: Guizhou University, 2015.
[23] 袁鹏, 谭建红, 官洪霞, 等. 磷石膏中有害杂质对环境影响的监测与 评价[J]. 广东化工, 2013, 40(22): 124-125. Yuan Peng, Tang Jianhong, Guan Hongxia. Monitoring and evaluation of the harmful effects on the environment of the impurities in phosphogypsum[J]. Guangdong Chemical Industry, 2013, 40(22): 124- 125.
[24] 李莉, 张卫, 白娟, 等. 重金属在水体中迁移转化过程分析[J]. 山东 水利, 2010(1): 31-33, 36. Li Li, Zhang Wei. Bai Juan, et al. Process analysis of transportation and conversion of heavy metals in water[J]. Shandong Water Resources. 2010(1): 31-33, 36.
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