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Table 4 Efficiency on economic aspect of the VICRAIZES system at typical household

From: An integrated ecosystem incorporating renewable energy leading to pollution reduction for sustainable development of craft villages in rural area: a case study at sedge mats village in Mekong Delta, Vietnam

No. Content Benefits (VND/year)a Costs (VND/year)a
1 Suppy biogas instead of pieces of sedge mats (for burning dyeing pan) 9,125,000 0
2 Income gained from selling pigs 675,000,000 0
3 Food for feeding pigs 0 270,000,000
4 Manpower for livestock farm 0 36,000,000
5 Electricity, water use 0 6,000,000
6 Veterinary medicine 0 24,000,000
7 Breeding pigs 0 162,000,000
8 Breeding facility 0 33,750,000
9 Amortization of breeding facility 0 1,100,000
10 Biogas digester system 0 14,000,000
11 Wastewater treatment system 0 21,000,000
12 Amortization of Wastewater treatment system 0 1,150,000
  Income = benefits − costs 115,125,000
  1. a1 USD = 21,500 VN Dong