FIXATION AND MOBILIZATION OF ANTIMONY IN SEDIMENTS

被引：59

作者：

BRANNON, JM ^{[1
]}

PATRICK, WH ^{[1
]}

机构：

[1] LOUISIANA STATE UNIV, CTR WETLAND RESOURCES,WETLAND SOILS & SEDIMENTS LAB,BATON ROUGE,LA 70803

来源：

ENVIRONMENTAL POLLUTION SERIES B-CHEMICAL AND PHYSICAL | 1985年 / 9卷 / 02期

关键词：

ENVIRONMENTAL IMPACT - Analysis - WATER POLLUTION - Sedimentation;

D O I：

10.1016/0143-148X(85)90027-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The mobility of sediment antimony (Sb) during sediment-water interactions was studied. Emphasis was placed on the fixation of native and added Sb by sediment, long-term (6 months) releases of Sb and sediment properties that affect the mobilization of Sb. Sequential selective extraction procedures revealed that most native and added sediment Sb was associated with relatively immobile iron (Fe) and aluminum (Al) compounds. In sediments amended with Sb, concentrations of interstitial water and exchangeable phase Sb were also high. Initial and long-term releases of Sb were much higher from Sb-amended sediments than from sediments containing no added Sb, apparently a result of Sb concentrations in more mobile sediment phases. In most sediments, the largest amount of Sb release occurred early in the leaching experiment. Refs.

引用

页码：107 / 126

页数：20

共 21 条

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