Solvent Storage for Waste to Energy plants with Carbon Capture under CHP operation

12 Pages Posted: 29 Nov 2022

See all articles by Dan Su

Dan Su

University of Edinburgh

Avinash Shankar Rammohan Subramanian

SINTEF Energy Research

Laura Herraiz

University of Edinburgh - School of Engineering

Camilla Thomson

University of Edinburgh

Mathieu Lucquiaud

University of Sheffield; University of Edinburgh

Rahul Anantharaman

SINTEF Energy Research

Simon Roussanaly

SINTEF Energy Research

Hannah Chalmers

University of Edinburgh

Date Written: November 25, 2022

Abstract

Waste-to-Energy (WtE) has become an attractive application for carbon capture utilization and storage (CCS) due to its role in decarbonizing urban waste management and its inherent potential of achieving negative emissions. Building upon a series of modeling activities, the application of interim solvent storage (ISS) is researched with the objective of improving the heat supply ability of WtE combined heat and power (CHP) plants integrated with Post-combustion CO2 capture (PCC). This paper uses a mathematical programming-based methodology using a design-day approach to investigate the optimal operation of a WtE-CHP plant with the implementation of interim solvent storage. The results show that the usage of a load-following gas boiler is reduced as a result of implementing solvent storage thereby also lowering fossil CO2 emissions. The amount of wasted excess heat is also reduced. However, the plant with interim solvent storage has a lower annual profit as the increased capital costs of building storage tanks are higher than the savings from lower boiler heat usage and lower CO2 taxes with these results highly sensitive to the problem setting and input parameters. We observe that solvent storage is not operational during the summer design day suggesting that seasonal solvent or thermal storage may be a more useful alternative

Keywords: Waste to energy, Post-combustion CO2 capture, Combined Heat and Power, Interim Solvent storage

Suggested Citation

Su, Dan and Rammohan Subramanian, Avinash Shankar and Herraiz, Laura and Thomson, Camilla and Lucquiaud, Mathieu and Anantharaman, Rahul and Roussanaly, Simon and Chalmers, Hannah, Solvent Storage for Waste to Energy plants with Carbon Capture under CHP operation (November 25, 2022). Proceedings of the 16th Greenhouse Gas Control Technologies Conference (GHGT-16) 23-24 Oct 2022, Available at SSRN: https://ssrn.com/abstract=4286400 or http://dx.doi.org/10.2139/ssrn.4286400

Dan Su (Contact Author)

University of Edinburgh ( email )

Old College
South Bridge
Edinburgh, Scotland EH8 9JY
United Kingdom

Avinash Shankar Rammohan Subramanian

SINTEF Energy Research

Sem Sælands vei 11
Trondheim, NO-7034
Norway

Laura Herraiz

University of Edinburgh - School of Engineering

The Kings Buildings
Edinburgh, EH9 3JL
United Kingdom

Camilla Thomson

University of Edinburgh ( email )

Old College
South Bridge
Edinburgh, Scotland EH8 9JY
United Kingdom

Mathieu Lucquiaud

University of Sheffield ( email )

17 Mappin Street
Sheffield, Sheffield S1 4DT
United Kingdom

University of Edinburgh ( email )

Old College
South Bridge
Edinburgh, Scotland EH8 9JY
United Kingdom

Rahul Anantharaman

SINTEF Energy Research ( email )

Kolbjørn Hejes vei 1A
Trondheim, NO-7034
Norway

Simon Roussanaly

SINTEF Energy Research ( email )

Kolbjørn Hejes vei 1A
Trondheim, NO-7034
Norway

Hannah Chalmers

University of Edinburgh

Old College
South Bridge
Edinburgh, Scotland EH8 9JY
United Kingdom

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