High-performance and low-cost macroporous calcium oxide based materials for thermochemical energy storage in concentrated solar power plants

Jiménez, Pilar; Guerrero, Mónica Benítez; Valverde, José Manuel; Maqueda, Luis Allan Pérez

doi:10.1016/j.apenergy.2018.10.131

Cited by 127 publications

(46 citation statements)

References 61 publications

(89 reference statements)

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“…These MgO-stabilized CaOs applied in a CSP-CaL process were rarely examined. Recently, Sánchez Jiménez et al [38] MgO-stabilized CaO powder using a two-step calcination process in a horizontal tube furnace; initially, solids were heated at 600 °C for 2 h in a N2 atmosphere and then the temperature was raised to 800 °C for 3 h in an air atmosphere. A similar procedure using a one-step calcination process in air without the pyrolysis process in a N2 atmosphere was also performed for comparison purposes.…”

Section: Introductionmentioning

confidence: 99%

Porous MgO-stabilized CaO-based powders/pellets via a citric acid-based carbon template for thermochemical energy storage in concentrated solar power plants

Wang

Clough

et al. 2020

Chemical Engineering Journal

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The reversible CaO/CaCO3 carbonation reaction (CaL) is one of the most promising candidates for high-temperature thermochemical energy storage (TCES) in concentrated solar power plants (CSP). Here, a sacrificial citric acid-based carbon template was developed to produce high-performance CaO-based sorbents to mitigate the progressive deactivation with sequential carbonation-calcination cycling. The carbon template was formed through in situ pyrolysis of citric acid in a simple heating process under nitrogen. After a secondary calcination step in air, a stable porous MgOstabilized nano-CaO powder was generated and achieved high long-term effective conversion due to its resistance to pore plugging and sintering. By dry mixing citric acid with limestone-dolomite mixtures, this procedure can also be applied to synthesize MgO-stabilized CaO pellets via an extrusion-spheronization route, which resulted in comparably stable and effective conversion as the optimized CaO powder. Additionally,

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Section: Introductionmentioning

confidence: 99%

Porous MgO-stabilized CaO-based powders/pellets via a citric acid-based carbon template for thermochemical energy storage in concentrated solar power plants

Wang

Clough

et al. 2020

Chemical Engineering Journal

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“…Nanotechnology is a trend in many applications [28][29][30][31]. Pure CaO is used in many applications, such as the cement industry, biodiesel production, the petroleum industry, electric lighting, paper industry, and power production [32][33][34][35][36][37][38]. There are many sources available to prepare CaO nanoparticles, such as using chicken eggshells (with very low quantities) or any source rich in calcium carbonate, such as CMW sugar cane waste, before treatment.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Calcium Oxide Nanoparticles from Industrial Waste on the Performance of Hardened Cement Pastes: Physicochemical Study

et al. 2020

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Large amounts of carbonated mud waste (CMW) require disposal during sugar manufacturing after the carbonation process. The lightweight of CMW enables its utilization as a partial replacement for the cement to reduce costs and CO2 emissions. Here, various levels of CMW, namely, 0, 5, 10, 15, 20, and 25 wt.% were applied to produce composite cement samples with ordinary Portland cement (OPC) as a regular mix design series. Pure calcium oxide (CaO) nanoparticles were obtained after the calcination of CMW. The techniques of X-ray fluorescence spectrometers (XRF), Transmission electron microscope (TEM), Selected area diffraction (SAED), Scanning electron microscope (SEM), energy dixpersive X-ray (EDX), and dynamic light scattering (DLS) were used to characterize the obtained CaO nanoparticles. According to the compressive strength and bulk density results, 15 wt.% CMW was optimal for the mix design. The specific surface area increased from 27.8 to 134.8 m2/g when the CMW was calcined to 600 °C. The compressive strength of the sample containing 15% CMW was lower than the values of the other pastes containing 5% and 10% CMW at all of the curing times. The porosity factor of the hardened cement pastes released with a curing time of up to 28 days. Excessive CMW of up to 25 wt.% reduced the properties of OPC.

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“…Calcium carbonation/calcination (CaCO 3 CaO + CO 2 ) is a reversible reaction characterized by fairly large reaction heat (ΔH°≈ 178 kJ mol −1 ) on which conventional CaL for CCSU is based. Coupling CaL with CSP has been considered for both CCSU (Matthews and Lipiński, 2012;Coppola et al, 2013;Reich et al, 2014;Zhang and Liu, 2014;Tregambi et al, 2015;Zhai et al, 2016) and TCES (Edwards and Materić, 2012;Alovisio et al, 2017;Ortiz et al, 2018;Sarrión et al, 2018;Tregambi et al, 2019b;Sánchez Jiménez et al, 2019;Bailera et al, 2020). The conventional CaL concept for CCSU is based on the alternated temperature-swing uptake and release of CO 2 by a calcium-based sorbent (Blamey et al, 2010;Erans et al, 2016).…”

Section: Solar-driven Looping Cyclesmentioning

confidence: 99%

Fluidized Beds for Concentrated Solar Thermal Technologies—A Review

et al. 2021

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Thermal and thermochemical processes can be efficiently developed and carried out in fluidized beds, due to the unique properties of fluidized suspensions of solid particles and to the inherent flexibility of fluidized bed design and operation. Coupling fluidization with concentrated solar power is a stimulating cross-disciplinary field of investigation, with the related issues and opportunities to explore. In this review article the current and perspective applications of fluidized beds to collection, storage and exploitation of solar radiation are surveyed. Novel and “creative” designs of fluidized bed solar receivers/reactors are reported and critically discussed. The vast field of applications of solar-driven fluidized bed processes, from energy conversion with thermal energy storage, to solids looping for thermochemical energy storage, production of fuels, chemicals and materials, is explored with an eye at past and current developments and an outlook of future perspectives.

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High-performance and low-cost macroporous calcium oxide based materials for thermochemical energy storage in concentrated solar power plants

Cited by 127 publications

References 61 publications

Porous MgO-stabilized CaO-based powders/pellets via a citric acid-based carbon template for thermochemical energy storage in concentrated solar power plants

Porous MgO-stabilized CaO-based powders/pellets via a citric acid-based carbon template for thermochemical energy storage in concentrated solar power plants

Evaluation of Calcium Oxide Nanoparticles from Industrial Waste on the Performance of Hardened Cement Pastes: Physicochemical Study

Fluidized Beds for Concentrated Solar Thermal Technologies—A Review

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