Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy

doi:10.1007/s11783-020-1237-x

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 中科院海岸带环境过程与生态修复重点实验室 > 近岸生态与环境实验室

	Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy
	Zhu, Meng ; Luo, Yongming ; Yang, Ruyi ; Zhou, Shoubiao ; Zhang, Juqin ; Zhang, Mengyun ; Christie, Peter ; Rylott, Elizabeth L.
刊名	FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
	2020-04-05
卷号	14 期号:4 页码:58
关键词	P-ARSANILIC ACID ORGANIC-MATTER SURFACE COMPLEXATION IRON (OXYHYDR)OXIDES CONTAMINATED SOIL ADSORPTION SPECIATION FERRIHYDRITE EXTRACTION DESORPTION
DOI	10.1007/s11783-020-1237-x
产权排序	[Zhu, Meng ; Yang, Ruyi ; Zhou, Shoubiao ; Zhang, Juqin ; Zhang, Mengyun] Anhui Normal Univ, Coll Environm Sci & Engn, Wuhu 241002, Peoples R China ; [Luo, Yongming ; Christie, Peter] Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Peoples R China ; [Zhu, Meng ; Luo, Yongming] Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China ; [Zhu, Meng ; Luo, Yongming ; Yang, Ruyi ; Zhou, Shoubiao] Anhui Normal Univ, Anhui Prov Engn Lab Water & Soil Pollut Control &, Wuhu 241002, Peoples R China ; [Rylott, Elizabeth L.] Univ York, Ctr Novel Agr Prod, Dept Biol, York YO10 5DD, N Yorkshire, England
文献子类	Article
英文摘要	Diphenylarsinic acid (DPAA) is a phenyl arsenic compound derived from chemical warfare weapons. Macroscopic and microscopic work on DPAA sorption will provide useful information in predicting the partitioning and mobility of DPAA in the soil-water environment. Here, batch experiments and extended X-ray absorption fine structure (EXAFS) spectroscopy were used to investigate the sorption mechanisms of DPAA. The DPAA sorption data from 11 soil types was found to fit the Freundlich equation, and the sorption capacity, K-f, was significantly and positively correlated with oxalate-extractable Fe2O3. The K-f values of eight of the 11 untreated soils (1.51-113.04) significantly decreased upon removal of amorphous metal (hydr)oxides (0.51-13.37). When both amorphous and crystalline metal (hydr)oxides were removed from the untreated soils, the K-f values either decreased or slightly increased (0.65-3.09). Subsequent removal of soil organic matter from these amorphous and crystalline metal (hydr)oxide-depleted samples led to further decreases in K-f to 0.02-1.38, with only one exception (Sulfic Aquic-Orthic Halosols). These findings strongly suggest that ligand exchange reactions with amorphous metal (hydr)oxides contribute most to DPAA sorption on soils. EXAFS data provide further evidence that DPAA primarily formed bidentate binuclear (C-2) and monodentate mononuclear (V-1) coring-sharing complexes with As-Fe distances of 3.34 and 3.66 angstrom, respectively, on Fe (hydr)oxides. Comparison of these results with earlier studies suggests that C-2 and V-1 complexes of DPAA may be favored under low and high surface coverages, respectively, with the formation of V-1 bonds possibly conserving the sorption sites or decreasing the steric hindrance derived from phenyl substituents. (C) Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020
WOS关键词	P-ARSANILIC ACID ; ORGANIC-MATTER ; SURFACE COMPLEXATION ; IRON (OXYHYDR)OXIDES ; CONTAMINATED SOIL ; ADSORPTION ; SPECIATION ; FERRIHYDRITE ; EXTRACTION ; DESORPTION
语种	英语
WOS记录号	WOS:000524360100001
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41807117, 41230858] ; Anhui Normal University [pyjh2018487] ; Innovation and Entrepreneurship Training Project for College Students [201910370072]
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/25054]
专题	烟台海岸带研究所_近岸生态与环境实验室烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
作者单位	1.Anhui Normal Univ, Coll Environm Sci & Engn, Wuhu 241002, Peoples R China; 2.Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Peoples R China; 3.Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; 4.Anhui Normal Univ, Anhui Prov Engn Lab Water & Soil Pollut Control &, Wuhu 241002, Peoples R China; 5.Univ York, Ctr Novel Agr Prod, Dept Biol, York YO10 5DD, N Yorkshire, England
推荐引用方式 GB/T 7714	Zhu, Meng,Luo, Yongming,Yang, Ruyi,et al. Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy[J]. FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING,2020,14(4):58.
APA	Zhu, Meng.,Luo, Yongming.,Yang, Ruyi.,Zhou, Shoubiao.,Zhang, Juqin.,...&Rylott, Elizabeth L..(2020).Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy.FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING,14(4),58.
MLA	Zhu, Meng,et al."Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy".FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 14.4(2020):58.