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Table 1 Methods for substrate analysis

From: Biogas and nutrients from blackwater, lawn cuttings and grease trap residues—experiments for Hamburg’s Jenfelder Au district

Parameter Guideline/equipment
Dry matter content DM in % FM DIN EN 12880 [8]
Organic dry matter content oDM in % DM DIN EN 12879 [9]
Chemical oxygen demand COD in mg/l Cuvette test by Hach Lange, Germany
Total organic carbon TOC in mg/l TOC/TN analyser multi N/C 3000 by Analytika Jena, Germany
Total nitrogen TN in mg/l TOC/TN analyser multi N/C 3000 by Analytika Jena, Germany
Ammoniacal nitrogen NH4 +/NH3-N in mg/l Destillation unit K350 by Büchi, Germany
Total phosphorus TP in mg/l Cuvette test by Hach Lange, Germany
pH value pH pH meter, model 323 by WTW, Germany
Ratio volatile fatty acids to total inorganic carbonate FOS/TAC Automatized titrator model FOS/TAC 2000 by Pronova, Germany
  1. FM fresh matter