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Table 5 Greenhouse gas emissions (CO2) of cassava starch production

From: The role of specific energy consumption in a heat recovery system for cassava starch production using an integrated agro-industrial system

Total energy consumption

Nfuel

EFfuel

CO2(emission)

(TJ)

(kgCO2/TJ)

(kgCO2)

Electric (TE)

8.99484(*)

253,611.11(e)

2,281,191.36

Biogas (TB)

128.67 (**)

54,600(n)

7,025,742

Total emission (kg CO2/year)

9,306,933.72

  1. (*): Nelectric(TJ) = TE (kWh) × 3.6 × 10–6
  2. (**): Nfuel(TJ) = TB (m3) × 23.4 MJ/m3 × 0.001
  3. (e): Emissions of electric network in Vietnam is 0.9130 (tCO2/MWh) = 253,611.11(kgCO2/TJ) [71]
  4. (n): Emission of fuel follow IPCC [70]