Waste power plant: waste to energy study in Medan city area

This study discusses the waste to energy processing technology in the area city of Medan Sunggal. Waste management is considered to be the optimal solution to reduce the volume of waste and its growth in Medan. Through the calculation and assessment of the data obtained, we can find out the volume o...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-05, Vol.801 (1), p.12065
Main Authors: Sihite, A, Kasim, ST, Fahmi, F
Format: Article
Language:English
Subjects:
Calorific value
Economic analysis
Energy utilization
Feasibility studies
Garbage
Mathematical analysis
Mineral resources
Moisture content
Payback periods
Power plants
Steam turbines
Waste management
Waste to energy
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Summary:This study discusses the waste to energy processing technology in the area city of Medan Sunggal. Waste management is considered to be the optimal solution to reduce the volume of waste and its growth in Medan. Through the calculation and assessment of the data obtained, we can find out the volume of waste in Medan Sunggal is more than 132 m3 per day with a weight of 28,512 tons per day. The proposed waste to energy utilization method is the thermochemical method. Garbage is processed first in specific way as to reduce the water content in order to obtain a higher calorific value. The garbage has the potential to generate electricity at 1.8 MW theoretically, but the effect of 80% boiler efficiency, 25% steam turbine and 90% generator will affect the actual output to be around 451.46 kW. With the selling price of electricity in accordance with Ministry of Energy and Mineral Resources regulation number 44 of 2015, the implementation of Waste Power Plants (WPP) meets the feasibility of economic analysis. Based on the calculation of the economic analysis, the net present value of WPP obtained at Rp 970,964,221.25 and payback period does not exceed the economic life of the plant and benefit cost ratio is greater than Zero. These criteria can be used as a reference for evaluating the feasibility of developing Waste Power Plants in the area.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/801/1/012065