Process Concept of a Waste-Fired Zero-Emission Integrated Gasification Static Cycle Power Plant

Augusto Montisci () and Aiman Rashid
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Augusto Montisci: Department of Electrical and Electronic Engineering, University of Cagliari, 09123 Cagliari, Italy
Aiman Rashid: Department of Electrical and Electronic Engineering, University of Cagliari, 09123 Cagliari, Italy

Sustainability, 2025, vol. 17, issue 13, 1-23

Abstract: The layout of an urban waste-fired zero-emission power plant is described in this paper. The principle layout, which is based on similar coal-fired plants retrieved from the literature, integrates gasification with a power-generation section and implements two parallel conversion processes: one relies on the heat developed in the gasifier and consists of a thermoacoustic-magnetohydrodynamic (TA-MHD) generator; the other involves treating syngas to obtain almost pure hydrogen, which is then fed to fuel cells. The CO 2 derived from the oxidation of Carbon is stocked in liquid form. The novelty of the proposed layout lies in the fact that the entire conversion is performed using static equipment. The resulting plant prevents the release of any type of emissions in the atmosphere and increases mechanical efficiency, compared to traditional plants—thanks to the absence of moving parts—resolving, nonetheless, the ever-increasing waste-related pollution issue. A case study of a Union of Municipalities in Southern Lebanon is considered. The ideal cycle handles 65 tons/day of urban waste and is capable of generating 7.71 MW of electric power, with a global efficiency of 52.39%.

Keywords: magnetohydrodynamics; thermos-acoustics; fuel cells; Waste-to-Energy plant; zero-emission power plant (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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