DEGRADATION OF 4-CHLOROPHENOL IN DENITRIFYING FLUIDIZED-BED PROCESS

被引：6

作者：

MELIN, ES

PUHAKKA, JA

SHIEH, WK

机构：

[1] TAMPERE UNIV TECHNOL,INST WATER & ENVIRONM ENGN,SF-33101 TAMPERE,FINLAND

[2] UNIV PENN,DEPT SYST,PHILADELPHIA,PA 19104

来源：

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL | 1993年 / 28卷 / 08期

基金：

芬兰科学院;

关键词：

D O I：

10.1080/10934529309375978

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Chlorophenol degradation.by dissimilatory nitrate reduction was studied in an anoxic fluidized-bed reactor. 4-Chlorophenol (4-CP) served as a carbon source for denitrification although both 4-CP and nitrate removals remained incomplete (23-82 and 9-60%, respectively) at 5 h hydraulic retention time. Under varying experimental conditions, 1.9-2.5 mg 4-CP was degraded and dechlorinated per 1 mg NO3-N reduced. This is higher than the theoretical 4-CP/NO3-N ratio of 1.8 and the difference is likely due to aerobic degradation in the presence of trace concentrations of oxygen. The mass balance based on inorganic chloride release and disappearance of the parent compound gave further evidence of chlorophenol degradation in the system.

引用

页码：1801 / 1811

页数：11

共 17 条

[1] ANAEROBIC DEGRADATION OF CHLOROAROMATIC COMPOUNDS IN AQUATIC SEDIMENTS UNDER A VARIETY OF ENRICHMENT CONDITIONS [J].

GENTHNER, BRS ;

PRICE, WA ;

PRITCHARD, PH .

APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1989, 55 (06) :1466-1471

[2] MECHANISMS OF BACTERIAL-DEGRADATION AND TRANSFORMATION OF CHLORINATED MONOAROMATIC COMPOUNDS [J].

HAGGBLOM, M .

JOURNAL OF BASIC MICROBIOLOGY, 1990, 30 (02) :115-141

[3]

HOLLIGER C, 1988, ANAEROBIC DIGESTION, P211

[4] ANOXIC BIOFILM DEGRADATION OF MONOCYCLIC AROMATIC-COMPOUNDS [J].

HU, LZ ;

SHIEH, WK .

BIOTECHNOLOGY AND BIOENGINEERING, 1987, 30 (09) :1077-1083

[5] CONTAMINATION OF SOIL AROUND WOOD-PRESERVING FACILITIES BY POLYCHLORINATED AROMATIC-COMPOUNDS [J].

KITUNEN, VH ;

VALO, RJ ;

SALKINOJASALONEN, MS .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1987, 21 (01) :96-101

[6] POLYCHLORINATED PHENOLS AND THEIR METABOLITES IN SOIL AND EARTHWORMS OF SAWMILL ENVIRONMENT [J].

KNUUTINEN, J ;

PALM, H ;

HAKALA, H ;

HAIMI, J ;

HUHTA, V ;

SALMINEN, J .

CHEMOSPHERE, 1990, 20 (06) :609-623

[7]

Kuenen J. G., 1988, The Nitrogen and Sulphur Cycles. Proceedings of the 42nd Symposium of the Society for General Microbiology. Southampton, UK, January 1988., P161

[8] POPULATION EXPOSURE TO CHLOROPHENOLS, DIBENZO-P-DIOXINS AND DIBENZOFURANS AFTER A PROLONGED GROUND-WATER POLLUTION BY CHLOROPHENOLS [J].