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Table 2 Material and energy values for PHAs production

From: Preliminary integrated economic and environmental analysis of polyhydroxyalkanoates (PHAs) biosynthesis

Feed

 Electricity (MJ)a

648

 Air (kg)

19.4

 Water (kg)

3.5

Carbon source

 Crude glycerol (kg)

105

 Pure glycerol (kg)

105

 Soybean oil (kg)

175

 Waste cooking oil (kg)

175

Salts

 Na2HPO4 (kg)

23.45

 KH2PO4 (kg)

5.25

 (NH4)2SO4 (kg)

8.75

 MgSO4 (kg)

0.7

 CaCl2 (kg)

0.035

 Trace mineral salts (kg)

0.25

PHB products

 Crude glycerol (kg)

87.54

 Pure glycerol (kg)

108.75

 Soybean oil (kg)

72.56

 Waste cooking oil (kg)

38.68

Solid waste (biomass)

 Crude glycerol (kg)

40.29

 Pure glycerol (kg)

38.01

 Soybean oil (kg)

56.88

 Waste cooking oil (kg)

83.44

  1. aEnergy requirement by fermenter is assumed as 0.5 kW/m3 (Harding et al. 2007)