Carbonation of Limestone Derived CaO for Thermochemical Energy Storage: From Kinetics to Process Integration in Concentrating Solar Plants | Zendy

C. Ortiz | Zendy; José Manuel Valverde | Zendy; Ricardo Chacartegui | Zendy; Luis A. PérezMaqueda | Zendy

Open Access

Carbonation of Limestone Derived CaO for Thermochemical Energy Storage: From Kinetics to Process Integration in Concentrating Solar Plants

Author(s) -

C. Ortiz,

José Manuel Valverde,

Ricardo Chacartegui,

Luis A. PérezMaqueda

Publication year - 2018

Publication title -

acs sustainable chemistry and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.878

H-Index - 109

ISSN - 2168-0485

DOI - 10.1021/acssuschemeng.8b00199

Subject(s) - carbonation , calcium looping , process engineering , concentrated solar power , thermodynamics , calcination , energy storage , process (computing) , environmental science , chemistry , sorbent , materials science , chemical engineering , thermal energy storage , computer science , engineering , power (physics) , catalysis , adsorption , physics , biochemistry , operating system

Thermochemical energy storage (TCES) is considered as a promising technology to accomplish high energy storage efficiency in concentrating solar power (CSP) plants. Among the various possibilities, the calcium-looping (CaL) process, based on the reversible calcination–carbonation of CaCO3 stands as a main candidate due to the high energy density achievable and the extremely low price, nontoxicity, and wide availability of natural CaO precursors such as limestone. The CaL process is already widely studied for CO2 capture in fossil fuel power plants or to enhance H2 production from methane reforming. Either one of these applications requires particular reaction conditions to which the sorbent performance (reaction kinetics and multicycle conversion) is extremely sensitive. Therefore, specific models based on the conditions of any particular application are needed. To get a grip on the optimum conditions for the carbonation of limestone derived CaO in the CaL-CSP integration, in the present work is pursued a...

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