Step 1: Use Equation 6.6 to estimate total organically degradable carbon in wastewater (TOW) for industrial sector i
Step 2: Select the pathway and systems (Figure 6.1) according to country activity data. Use Equation 6.5 to obtain emission factor. For each industrial sector estimate the emission factor using maximum methane producing capacity and the average industry-specific methane correction factor.
Step 3: Use Equation 6.4 to estimate emissions, adjust for possible sludge removal and or CH4 recovery and sum the results.