Comparison of BOD results obtained by dilution and manometric methods in sanitary landfill leachates.
This study examined the determination of BOD in landfill leachates by dilution (D-method) and manometric methods (M-method). The differences in results were discussed based on statistical tests. The effects of sample dilution, seeding, chloride and total Kjeldahl nitrogen (TKN) level were examined. The M-method was found to be more sensitive to increases in chloride and TKN concentrations. However, in the M-method the positive interference of nitrogenous BOD (NBOD) to carbonaceous BOD (CBOD) was more successfully prevented. The BOD rate constant k and the ultimate BOD (BODu) were estimated by non-linear regression. With the M-method these parameters could be more reliably estimated than the D-method. Suggestions were made for BOD analyses in landfill leachates in future studies.
Ceçen
F
F
Boğaziçi University, Institute of Environmental Sciences, 80815 Bebek, Istanbul, Turkey.
Yangin
C
C
D001673:Biodegradation, Environmental; D004784:Environmental Monitoring / Q000379:methods*; D007201:Indicator Dilution Techniques; D008365:Manometry; D009930:Organic Chemicals / Q000378:metabolism; D010100:Oxygen / Q000378:metabolism*; D012037:Refuse Disposal; D012680:Sensitivity and Specificity; D014873:Water Pollutants / Q000032:analysis* / Q000378:metabolism
D009930:Organic Chemicals; D014873:Water Pollutants; D010100:Oxygen