CHANGES AND VARIABILITY IN CONCENTRATION OF HEAVY-METALS IN SEWAGE-SLUDGE DURING COMPOSTING

被引：25

作者：

WAGNER, DJ

BACON, GD

KNOCKE, WR

SWITZENBAUM, MS

机构：

[1] UNIV MASSACHUSETTS,DEPT CIVIL ENGN,AMHERST,MA 01003

[2] VIRGINIA POLYTECH INST & STATE UNIV,DEPT CIVIL ENGN,BLACKSBURG,VA 24061

来源：

ENVIRONMENTAL TECHNOLOGY | 1990年 / 11卷 / 10期

关键词：

D O I：

10.1080/09593339009384947

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The heavy metal concentration of sewage sludge increased during composting for cadmium, chromium, lead and zinc and decreased for copper and nickel. Cadmium and lead were the most variable of the metals, copper and zinc the least. Variability within a batch was small (variation of 4–12%). Variability attributable to batch‐to‐batch differences was generally larger (variation of 4–37%). The variability of sludge entering the batch process and of compost exiting the process were similar for each metal. © 1990 Publications Division Selper Ltd.

引用

页码：949 / 960

页数：12

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