Optimization of safe doping level for enhanced CO<sub>2</sub> flux in composite membrane

Jamale, Atul P.; Henriques, Gonçalo

doi:10.1039/d3ma00846k

Mater. Adv.

2024

DOI: 10.1039/d3ma00846k

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Optimization of safe doping level for enhanced CO₂ flux in composite membrane

Atul P. Jamale,

Gonçalo Henriques

Abstract: The rare earth doped oxides have been intensively promoted since last two decades to embrace the high-performance target of ceramic-carbonate composite CO2-separation membrane, with countless incidents of exsolution. Unfortunately, information...

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Comparative Assessment of Li–Na(CO₃/NO₃/OH) on Flux Performance of Ceramic–Salt Composite CO₂ Separation Membranes

Jamale

2024

Ind. Eng. Chem. Res.

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In addition to the years of trials and innovations delivered in ceramic processing for high CO 2 separation of membranes, acceleration of additional flux of oxide ions through the molten phase of the ceramic−salt composite has been a seeking complementary but most interesting topic of the research. The previous examinations on carbonate, nitrate, hydroxide salts, etc., with an additive, were independently carried out, and their merits were addressed. However, the unavailability of collective information and data on nitrate, hydroxide, and carbonate hinders the true comparison in optimizing the best competitor. In scope of the above drawback, the current study is dedicated to review the impact of nitrate, hydroxide, and carbonate salts together at a fixed Li-to-Na cationic molarity of 52:48. All assessments were performed in the asymmetric membrane geometry of the composite under identical synthesis and testing protocols, where 40 vol % porous support and ∼10 μm-thick matrices were prepared from Ce 0.9 Gd 0.1 O 2−δ . However, the molten nitrate, hydroxide, and carbonate salts were impregnated, respectively, to the top thick-film matrix at 350 °C, 460 °C (in argon), and 650 °C (in air), i.e., 150 °C above the corresponding eutectic temperatures.

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Comparative Assessment of Li–Na(CO₃/NO₃/OH) on Flux Performance of Ceramic–Salt Composite CO₂ Separation Membranes

Jamale

2024

Ind. Eng. Chem. Res.

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Optimization of safe doping level for enhanced CO₂ flux in composite membrane

Abstract: The rare earth doped oxides have been intensively promoted since last two decades to embrace the high-performance target of ceramic-carbonate composite CO2-separation membrane, with countless incidents of exsolution. Unfortunately, information...

Cited by 1 publication

References 67 publications

Comparative Assessment of Li–Na(CO₃/NO₃/OH) on Flux Performance of Ceramic–Salt Composite CO₂ Separation Membranes

Comparative Assessment of Li–Na(CO₃/NO₃/OH) on Flux Performance of Ceramic–Salt Composite CO₂ Separation Membranes

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Optimization of safe doping level for enhanced CO2 flux in composite membrane

Abstract: The rare earth doped oxides have been intensively promoted since last two decades to embrace the high-performance target of ceramic-carbonate composite CO2-separation membrane, with countless incidents of exsolution. Unfortunately, information...

Cited by 1 publication

References 67 publications

Comparative Assessment of Li–Na(CO3/NO3/OH) on Flux Performance of Ceramic–Salt Composite CO2 Separation Membranes

Comparative Assessment of Li–Na(CO3/NO3/OH) on Flux Performance of Ceramic–Salt Composite CO2 Separation Membranes

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Product

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Optimization of safe doping level for enhanced CO₂ flux in composite membrane

Comparative Assessment of Li–Na(CO₃/NO₃/OH) on Flux Performance of Ceramic–Salt Composite CO₂ Separation Membranes

Comparative Assessment of Li–Na(CO₃/NO₃/OH) on Flux Performance of Ceramic–Salt Composite CO₂ Separation Membranes