AN ECONOMIC-EVALUATION OF BIOLOGICAL REMOVAL OF HEAVY-METALS FROM WASTE-WATER SLUDGE

被引:13
作者
COUILLARD, D
MERCIER, G
机构
[1] Complexe Scientifique, INRS, Universite du Quebec, Sainte-Foy, Que. G1V 4C7
关键词
AGRICULTURE; COST; INCINERATION; MANAGEMENT; METAL; SLUDGE; SOLUBILIZATION; THIOBACILLUS-FERROOXIDANS; WASTE-WATER;
D O I
10.2175/WER.66.1.6
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
An economic evaluation was performed for various sludge management practices, including the biological process of metal solubilization for digested and undigested sludges, and the traditional methods of sludge management (landfill, incineration, co-incineration, and the land spreading of liquid or dewatered sludges for agriculture). Biological solubilization (also called bacterial leaching), including lime neutralization and land spreading, was less expensive for undigested than for digested sludge, and was competitive with land spreading of nondecontaminated dewatered sludge for a plant treating 388 000 m3/d of wastewater. These two management practices are approximately equivalent and are less costly than all other options considered. However, for a plant treating 20 000 m3 of wastewater per day, metal solubilization was 43% more costly than the frequently practiced application of dewatered sludge onto agricultural land. For both plants (388 000 and 20 000), decontamination, followed by lime 'stabilization and land spreading, had less of an environmental impact than any of the other management options examined.
引用
收藏
页码:32 / 39
页数:8
相关论文
共 26 条
[1]   RESIDUAL METAL CONCENTRATIONS IN SOILS AND LEAF ACCUMULATIONS IN TOBACCO A DECADE FOLLOWING FARMLAND APPLICATION OF MUNICIPAL SLUDGE [J].
ADAMU, CA ;
BELL, PF ;
MULCHI, C ;
CHANEY, R .
ENVIRONMENTAL POLLUTION, 1989, 56 (02) :113-126
[2]  
BRINDLEY WJ, 1989, ADV MATER PROCESS, V136, P29
[3]   ACCUMULATION OF HEAVY-METALS IN SEWAGE-SLUDGE TREATED SOILS [J].
CHANG, AC ;
WARNEKE, JE ;
PAGE, AL ;
LUND, LJ .
JOURNAL OF ENVIRONMENTAL QUALITY, 1984, 13 (01) :87-91
[4]   BIOLOGICAL SOLUBILIZATION OF METALS IN ANAEROBIC SEWAGE-SLUDGE - FILTERABILITY, NEUTRALIZATION AND N AND P CONTENT OF PROCESSED SLUDGE [J].
COUILLARD, D ;
MERCIER, G .
CANADIAN JOURNAL OF CHEMICAL ENGINEERING, 1991, 69 (03) :779-787
[5]   OPTIMUM RESIDENCE TIME (IN CSTR AND AIRLIFT REACTOR) FOR BACTERIAL LEACHING OF METALS FROM ANAEROBIC SEWAGE-SLUDGE [J].
COUILLARD, D ;
MERCIER, G .
WATER RESEARCH, 1991, 25 (02) :211-218
[6]   INFLUENCE OF THE CHARACTERISTICS OF AEROBICALLY DIGESTED-SLUDGE ON BIOLOGICAL SOLUBILIZATION OF METALS [J].
COUILLARD, D ;
CHARTIER, M .
CANADIAN JOURNAL OF CIVIL ENGINEERING, 1993, 20 (03) :509-517
[7]   REMOVAL OF METALS FROM AEROBIC SLUDGES BY BIOLOGICAL SOLUBILIZATION IN BATCH REACTORS [J].
COUILLARD, D ;
CHARTIER, M .
JOURNAL OF BIOTECHNOLOGY, 1991, 20 (02) :163-180
[8]   BACTERIAL LEACHING OF HEAVY-METALS FROM SEWAGE-SLUDGE - BIOREACTORS COMPARISON [J].
COUILLARD, D ;
MERCIER, G .
ENVIRONMENTAL POLLUTION, 1990, 66 (03) :237-252
[9]   SELECTIVE PRECIPITATION OF BIOLOGICALLY SOLUBILIZED METALS FROM AEROBICALLY DIGESTED-SLUDGE [J].
COUILLARD, D ;
MERCIER, G .
CANADIAN JOURNAL OF CHEMICAL ENGINEERING, 1992, 70 (05) :1021-1029
[10]   REMOVAL OF METALS AND FATE OF N AND P IN THE BACTERIAL LEACHING OF AEROBICALLY DIGESTED SEWAGE-SLUDGE [J].
COUILLARD, D ;
MERCIER, G .
WATER RESEARCH, 1993, 27 (07) :1227-1235