Remediation of hexavalent chromium spiked soil by using synthesized iron sulfide particles
文献类型：期刊论文
| 作者 | Li, Yujie1; Wang, Wanyu1; Zhou, Liqiang2; Liu, Yuanyuan1; Mirza, Zakaria A.3; Lin, Xiang4 |
| 刊名 | CHEMOSPHERE
 |
| 出版日期 | 2017-02-01 |
| 卷号 | 169页码:131-138 |
| 关键词 | Hexavalent chromium/Cr(VI) FeS particles Soil remediation Immobilization |
| ISSN号 | 0045-6535 |
| DOI | 10.1016/j.chemosphere.2016.11.060 |
| 通讯作者 | Liu, YY (reprint author), Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400044, Peoples R China. |
| 英文摘要 | Carboxymethyl cellulose (CMC) stabilized microscale iron sulfide (FeS) particles were synthesized and applied to remediate hexavalent chromium (Cr(VI)) spiked soil. The effects of parameters including dosage of FeS particles, soil moisture, and natural organic matter (NOM) in soil were investigated with comparison to iron sulfate (FeSO4). The results show that the stabilized FeS particles can reduce Cr(VI) and immobilize Cr in soil quickly and efficiently. The soil moisture ranging from 40% to 70% and NOM in soil had no significant effects on Cr(VI) remediation by FeS particles. When molar ratio of FeS to Cr(VI) was 1.5:1, about 98% of Cr(VI) in soil was reduced by FeS particles in 3 d and Cr(VI) concentration decreased from 1407 mg kg(-1) to 16 mg kg(-1). The total Cr and Cr(VI) in Toxicity Characteristic Leaching Procedure (TCLP) leachate were reduced by 98.4% and 99.4%, respectively. In FeS particles-treated soil, the exchangeable Cr fraction was mainly converted to Fe-Mn oxides bound fraction because of the precipitation of Cr(III)-Fe(III) hydroxides. The physiologically based extraction test (PBET) bioaccessibility of Cr was decreased from 58.67% to 6.98%. Compared to FeSO4, the high Cr(VI) removal and Cr immobilization efficiency makes prepared FeS particles a great potential in field application of Cr(VI) contaminated soil remediation. (C) 2016 Elsevier Ltd. All rights reserved. |
| 资助项目 | Fundamental Research Funds for the Central Universities[CDJZR12210007] ; Chongqing Natural Science Foundation[cstc2014jcyjA20016] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000393003300016 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://172.16.51.4:88/handle/2HOD01W0/260]  |
| 专题 | 中国科学院重庆绿色智能技术研究院 |
| 通讯作者 | Liu, Yuanyuan |
| 作者单位 | 1.Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400044, Peoples R China 2.Chongqing Solid Waste Management Ctr, Chongqing 401147, Peoples R China 3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 4.Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400044, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Yujie,Wang, Wanyu,Zhou, Liqiang,et al. Remediation of hexavalent chromium spiked soil by using synthesized iron sulfide particles[J]. CHEMOSPHERE,2017,169:131-138. |
| APA | Li, Yujie,Wang, Wanyu,Zhou, Liqiang,Liu, Yuanyuan,Mirza, Zakaria A.,&Lin, Xiang.(2017).Remediation of hexavalent chromium spiked soil by using synthesized iron sulfide particles.CHEMOSPHERE,169,131-138. |
| MLA | Li, Yujie,et al."Remediation of hexavalent chromium spiked soil by using synthesized iron sulfide particles".CHEMOSPHERE 169(2017):131-138. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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