Techno-economic analysis and case study of combined heat and power systems in a wastewater treatment plant

Article Green & Sustainable Science & Technology

Wood ash biomethane upgrading system: A case study

Davide Papurello et al.

Summary: In this study, biomethane fuel was obtained from biogas using solid matrix obtained from a wood-fed central heating plant. The composition of biomethane and its injection limits into the gas grid were analyzed. The process showed effective CO2 removal initially, but limitations related to ash content and reactive phases were observed after prolonged testing period.

RENEWABLE ENERGY (2022)

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Article Agricultural Engineering

Characteristics of in-situ hydrogen biomethanation at mesophilic and thermophilic temperatures

Hao Jiang et al.

Summary: In-situ hydrogen biomethanation is a promising technology for upgrading biogas quality, and investigating its characteristics under different conditions is crucial for its effectiveness. The experiments showed that hydrogenotrophic methanogenesis performed better at thermophilic conditions, with the highest methane content obtained when H2 and CO2 were fed at a 4:1 ratio with Methanothermobacter as the dominant genus.

BIORESOURCE TECHNOLOGY (2021)

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Article Thermodynamics

Techno-economic assessment of a conceptual waste-to-energy CHP system combining plasma gasification, SOFC, gas turbine and supercritical CO2 cycle

Weike Peng et al.

Summary: A novel system utilizing plasma gasification to convert medical waste into syngas for energy production, combined with solid oxide fuel cells and a gas turbine, enhanced by a supercritical CO2 cycle. This hybrid system not only generates power, but also utilizes waste heat to provide domestic hot water for residents, showing significant economic benefits.

ENERGY CONVERSION AND MANAGEMENT (2021)

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Article Thermodynamics

Eco-energetic feasibility study of using grid-connected photovoltaic system in wastewater treatment plant

M. Bey et al.

Summary: The study focuses on treating wastewater using photovoltaic energy to reduce conventional electricity demand. Results show that grid-connected photovoltaic systems can cover a significant portion of the electrical load of wastewater treatment plants and inject a substantial amount of electricity into the grid, reducing regional energy consumption and improving the efficiency and economic feasibility of wastewater treatment.

ENERGY (2021)

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Review Green & Sustainable Science & Technology

A review of energy storage technologies for demand-side management in industrial facilities

Joseph Elio et al.

Summary: This paper critically reviews and compares various energy storage technologies for industrial demand-side management, providing detailed analyses in terms of cost, performance, and durability.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Codigestion and combined heat and power systems energize wastewater treatment plants-Analysis and case studies

Gideon Sarpong et al.

Summary: The wastewater treatment industry aims to become energy self-sufficient or energy positive by recovering energy from wastewater. This paper presents an energy performance analysis considering energy efficiency and recovery mechanisms. The study highlights the importance of carbon capture enhancement and codigestion in enhancing biogas production.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Thermodynamics