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Table 3 Measurement methods, techniques and technical guidelines for the determination of emissions at the investigated AD plants [15]

From: Digestion of bio-waste - GHG emissions and mitigation potential

Compound Kind of determination Measurement methods Measurement techniques German technical guideline used for the calculation of emissions
Total carbon Continuously, online data Flame ionization detection (FID) Bernath Atomic 3006 VDI 3481 - 3, VDI 3481 - 4, DIN EN 12619, DIN EN 13526
Methane Continuously, online data Infra-red (IR) method ABB Advance Optima URAS 14  
Nitrous oxide Continuously, online data Infra-red (IR) spectroscopy ABB Advance Optima URAS 14 DIN EN ISO 21258
Methane Discontinuously, laboratory analysis Gas chromatography (GC) with autosampler Sampling with evacuated vials DIN EN ISO 25139
Nitrous oxide Discontinuously, laboratory analysis Gas chromatography (GC) with autosampler Sampling with evacuated vials VDI 2469 - 1
Ammonia Discontinuously, laboratory analysis Wet chemical methods with sulfuric acid Sampling with Desaga-pump and 2 wash bottles VDI 3496 - 1