REDUCTION OF LEACHABILITY OF HEAVY-METALS IN ACID-MINE DRAINAGE

被引：6

作者：

STEFANOFF, JG ^{[1
]}

KIM, YK ^{[1
]}

机构：

[1] KANGWON NATL UNIV,DEPT ENVIRONM ENGN,CHUNCHON,SOUTH KOREA

来源：

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL | 1994年 / 29卷 / 02期

关键词：

LEACHABILITY; ACID MINE DRAINAGE; HEAVY METALS; DEWATERABILITY; TCLP; CAL WET; HIGH DENSITY SLUDGE;

D O I：

10.1080/10934529409376042

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The leaching characteristics of sludges from the treatment of acid mine drainage(AMD) from Iron Mountain Mine near Redding, California were compared using two different processes: caustic soda treatment and a modified lime/sulfide treatment process. The modified lime/sulfide process produced a sludge with better dewaterability characteristics than sludge from the caustic soda process. The results of the Cal WET indicated that the modified lime/sulfide process sludge had less leachability than that of sludge from the caustic soda process. Both processes could achieve a substantial reduction of heavy metals in leachate to levels below the federal regulatory limits(TCLP). For cadmium and zinc, however, neither process produced a sludge that met the requirements of the Cal WET procedure.

引用

页码：371 / 388

页数：18

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