Determination of potassium permanganate demand variation with depth for oxidation-remediation of soils from a PAHs-contaminated coking plant
文献类型：期刊论文
| 作者 | Liao, Xiaoyong1; Zhao, Dan1,2; Yan, Xiulan1 |
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2011-10-15 |
| 卷号 | 193页码:164-170 |
| 关键词 | Potassium permanganate Oxidant demand PAHs Soil remediation |
| ISSN号 | 0304-3894 |
| DOI | 10.1016/j.jhazmat.2011.07.045 |
| 通讯作者 | Liao, Xiaoyong(Liaoxy@igsnrr.ac.cn) |
| 英文摘要 | Bench-scale experiments were conducted to investigate the potassium permanganate demand, a key parameter for in situ chemical oxidation (ISCO) system design, and its variation with depth in PAHs-contaminated site of a coking plant. The concentrations of permanganate decreased rapidly during the first 8 d of the reaction process. The reaction follows first order kinetics, with rate constant ranging from 0.01 to 0.3/h. The total oxidant demand (TOD) is significantly higher for clayey silt fill than for soils of other lithology. The typical TOD is about 50 g MnO(4)(-)/kg soil for clayey silt fill, 20-40g MnO(4)(-)/kg soil for silt, silty clay and 1-7 g MnO(4)(-)/kg soil for fine sand. Statistical analysis revealed that TOD was positively correlated with total organic carbon (TOC) content, clay content and PAHs concentrations, besides sand content, meanwhile TOC was the parameter with the strongest influence on oxidant demand. After 32 d duration of oxidation, PAHs in all tested soils were effectively removed, with total removal percent ranging from 78% to 99%, and small molecular weight PAHs were removed to a greater extent than high molecular weight PAHs. Parameters obtained in this study, combined with soil bulk density, soil porosity and soil moisture, can be used for full-scale ISCO system design and application in coking contaminated site. (C) 2011 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| WOS关键词 | NATURAL OXIDANT DEMAND ; CHEMICAL OXIDATION ; AQUIFER SOLIDS ; KINETICS ; PCE |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| WOS类目 | Engineering, Environmental ; Engineering, Civil ; Environmental Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000296317500021 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2558922 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Liao, Xiaoyong |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing Key Lab Ind Land Contaminat & Remediat, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liao, Xiaoyong,Zhao, Dan,Yan, Xiulan. Determination of potassium permanganate demand variation with depth for oxidation-remediation of soils from a PAHs-contaminated coking plant[J]. JOURNAL OF HAZARDOUS MATERIALS,2011,193:164-170. |
| APA | Liao, Xiaoyong,Zhao, Dan,&Yan, Xiulan.(2011).Determination of potassium permanganate demand variation with depth for oxidation-remediation of soils from a PAHs-contaminated coking plant.JOURNAL OF HAZARDOUS MATERIALS,193,164-170. |
| MLA | Liao, Xiaoyong,et al."Determination of potassium permanganate demand variation with depth for oxidation-remediation of soils from a PAHs-contaminated coking plant".JOURNAL OF HAZARDOUS MATERIALS 193(2011):164-170. |
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来源：南京土壤研究所
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