Dimensioning Air Reactor and Fuel Reactor of a Pressurized CLC Plant to Be Coupled to a Gas Turbine: Part 2, the Fuel Reactor

Wang Lu, Pietro Bartocci (), Alberto Abad, Aldo Bischi, Haiping Yang, Arturo Cabello, Margarita de Las Obras Loscertales, Mauro Zampilli and Francesco Fantozzi
Additional contact information
Wang Lu: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Pietro Bartocci: Instituto de Carboquímica (C.S.I.C.), C. Miguel Luesma Castán 4, 50018 Zaragoza, Spain
Alberto Abad: Instituto de Carboquímica (C.S.I.C.), C. Miguel Luesma Castán 4, 50018 Zaragoza, Spain
Aldo Bischi: Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy
Haiping Yang: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Arturo Cabello: Instituto de Carboquímica (C.S.I.C.), C. Miguel Luesma Castán 4, 50018 Zaragoza, Spain
Margarita de Las Obras Loscertales: Instituto de Carboquímica (C.S.I.C.), C. Miguel Luesma Castán 4, 50018 Zaragoza, Spain
Mauro Zampilli: Department of Industrial Engineering, University of Perugia, Via G. Duranti 67, 06125 Perugia, Italy
Francesco Fantozzi: Department of Industrial Engineering, University of Perugia, Via G. Duranti 67, 06125 Perugia, Italy

Energies, 2023, vol. 16, issue 9, 1-16

Abstract: Bioenergy with Carbon Capture and Storage (BECCS) technologies are fundamental to reach negative CO 2 emissions by removing it from the atmosphere and storing it underground. A promising solution to implement BECCS is pressurized Chemical Looping Combustion (CLC), which involves coupling a pressurized CLC reactor system to a turboexpander. The typical configuration chosen is to have an air reactor and a fuel reactor based on coupled circulating fluidized beds. The fluidization regime in both reactors is preferred to be fast fluidization to enhance gas particle contact and solids circulation among reactors. To design the two reactors, Aspen Plus software was used, given that the new version has a module for fluidized bed modeling. At first, the oxygen carrier was designed ex novo, but given that it is a composite compound mainly made by nickel oxide freeze-granulated on alumina (Ni40Al-FG), the molecular structure has been inserted in Aspen Plus. Then, based on the power of the gas turbine, the power output per kg of evolving fluid (in this case, depleted air) is calculated using Aspen Plus. Once the nitrogen content in the depleted air is known, the total air at the inlet of the air reactor is calculated. The fuel reactor is modeled by inserting the reduction reactions for nickel-based oxygen carriers. The paper presents a useful methodology for developing pressurized Chemical Looping Combustors to be coupled to gas turbines for power generation. The provided data will be cross-validated with 0D-models and experimental results.

Keywords: carbon negative technologies; gas turbines; pressurized chemical looping combustor; biofuels; BECCS (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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