Samenvatting

The Netherlands has a mission to use 16% of sustainable energy by 2023, and 100% of sustainable energy by 2050, thus making green energy to be the only source of energy in the future. Foundation Loswal “De Bonnen” has 17.5 hectares of raw land where they want to develop a digester. The aim of this paper is to find out whether is going to be feasible to develop a digester using the CHP (combined heat and power). Municipality of Hoek van Holland and Loswal “De Bonnen” can provide with 1180 kg/day of food waste, and WWTP Nieuwe Waterweg with 102.24 m3
/day of sewage sludge. It results in total 65.7 m3/h of biogas produced by the digester, or 38.8 m3/h of methane part. Digester has a cylindrical shape, with 13.7 m of dimeter, 12.9 m of height, and 1902 m3 of total volume. Hydrogen
sulphide (H2S), water vapour (H2O), and siloxanes are removed from biogas before it enters the CHP. Due to partial efficiency of the CHP, 192.7 kW of thermal power, and 134.9 kW of electrical power are generated. Based on the equipment cost of €1,273,158, the total capital investment (TCI) is €7,244,270. The payback period (PBP) is 58 years, which makes the development unfeasible. It is advised to look for alternative investments, such as €0.011 (1.1 cents) paid per every kilogram of organic waste treated by the digester.


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