Relationships between water quality parameters in rivers and lakes: BOD5, COD, NBOPs, and TOC

Biological oxygen demand (BOD₅) or chemical oxygen demand (COD) analysis is widely used to evaluate organic pollutants in water systems as well as the efficiency of wastewater treatment plants. However, both analysis methods have restrictions such as being insensitive, imprecise, time-consuming, and...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2016-04, Vol.188 (4), p.252-252, Article 252
Main Authors: Lee, Jaewoong, Lee, Seunghyun, Yu, Soonju, Rhew, Doughee
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
biochemical oxygen demand
Biological Oxygen Demand Analysis - standards
carbon
Carbon - analysis
chemical oxygen demand
correlation
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental Management
lakes
Lakes - chemistry
monitoring
Monitoring/Environmental Analysis
pollutants
rivers
Rivers - chemistry
wastewater
wastewater treatment
Water Pollution - statistics & numerical data
water quality
Water Quality - standards
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Summary:Biological oxygen demand (BOD₅) or chemical oxygen demand (COD) analysis is widely used to evaluate organic pollutants in water systems as well as the efficiency of wastewater treatment plants. However, both analysis methods have restrictions such as being insensitive, imprecise, time-consuming, and the production of chemical waste. Therefore, total organic carbon (TOC) analysis for organic pollutants has been considered for an alternative analysis instead of BOD₅ or COD. Several studies have investigated the replacement of BOD₅ or COD with TOC in wastewater samples; however, few studies have investigated the relationships between water quality parameters in rivers and lakes. Therefore, this study evaluated the relationships between BOD₅, COD, or NBOPs and TOC by the analysis of national water quality monitoring data of rivers and lakes for 5 years. High correlation coefficients (r) of 0.87 and 0.66 between BOD₅ and TOC (p 
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-016-5251-1