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Table 1

Parameters and methods for investigation of the inlet and outlet water

ParameterMethod
Chemical oxygen demand (COD) Cuvette test Hach/Lange LCI 400 
5-day biochemical oxygen demand (BOD5Differential pressure measurement WTW OxiTop C 
Total nitrogen (Ntot = ∑ NH4-N, NO2-N, NO3-N) TOC-VCSH/CSN analyzer with a TN unit (Shimadzu, Japan) as per DIN EN 38409 
Total phosphorus Cuvette test Hach/Lange LCK 349 
ParameterMethod
Chemical oxygen demand (COD) Cuvette test Hach/Lange LCI 400 
5-day biochemical oxygen demand (BOD5Differential pressure measurement WTW OxiTop C 
Total nitrogen (Ntot = ∑ NH4-N, NO2-N, NO3-N) TOC-VCSH/CSN analyzer with a TN unit (Shimadzu, Japan) as per DIN EN 38409 
Total phosphorus Cuvette test Hach/Lange LCK 349 
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