Abstract
The efficient use of energy and resources is important from the point of environmental responsibility, but at the same time, it can be an opportunity towards obtaining economic value. Waste-to-energy (WtE) plants have the dual objective first to reduce the amount of waste sent to landfills, and second to generate electricity, heat and biogas. Tracking the flows of energy and materials within WtE system could be convenient optimization tool for waste treatment process. Through modeling and simulation of complex operating systems, it is manageable to present the actual operation states and conditions, and in case of modified operation conditions, possible treatment results. To achieve better operating performances chosen models can analyze, adjust and improve the WtE process in accordance to desired parameters. This paper gives an insight of some of the most adequate tools for modeling of WtE plants.
Highlights
The large amounts of waste that stream from different aspects of human production and consumption activities, cause an increased demand for effective waste management
WtE plants defined by waste treatment pathways [2] are:
Combustion plants which utilize waste as a secondary energy source in combination with other types of fuels
Summary
The large amounts of waste that stream from different aspects of human production and consumption activities, cause an increased demand for effective waste management. On the other side the global need for energy of various power generation systems, incorporated waste as important energy source. Waste-to-energy (WtE) technologies manage solid municipal waste and recover energy from it. The family of WtE technologies incorporates municipal solid waste incineration, co-processing, anaerobic digestion for biogas production, capturing of landfill gas, and alternative technologies: pyrolysis and gasification. WtE plants defined by waste treatment pathways [2] are: Combustion plants which utilize waste as a secondary energy source in combination with other types of fuels The most common WtE technology used worldwide is municipal solid waste incineration in a moving grate combustion system with combined heat and power production (CHP), while modern WtE has dual functions. The study of the EU Commission estimates that with if proven techniques and supporting measures are implemented properly, the amount of energy recovered from waste could rise by 29 %, having the same amount of waste as raw material [3]
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