Towards a comprehensive thermodynamic database for ash-forming elements in biomass and waste combustion — Current situation and future developments

Carbon dioxide capture and mitigation form a key part of the technological response to combat climate change and reduce CO2 emissions. Solid materials capable of reversibly absorbing CO2 have been the focus of intense research for the past two decades, with promising stability and low energy costs to implement and operate compared to the more widely used liquid amines. In this review, we explore the fundamental aspects underpinning solid CO2 sorbents based on alkali and alkaline earth metal oxides operating at medium to high temperature: how their structure, chemical composition, and morphology impact their performance and long-term use. Various optimization strategies are outlined to improve upon the most promising materials, and we combine recent advances across disparate scientific disciplines, including materials discovery, synthesis, and in situ characterization, to present a coherent understanding of the mechanisms of CO2 absorption both at surfaces and within solid materials.

CO2 Capture at Medium to High Temperature Using Solid Oxide-Based Sorbents: Fundamental Aspects, Mechanistic Insights, and Recent Advances.

Fairchildite K2Ca(CO3)2 in phoscorites from Phalaborwa, South Africa: the first occurrence in alkaline carbonatite complexes

The release of compounds of K with producer gas during biomass gasification is known to play significant roles in fouling and high-temperature corrosion in boilers and high-temperature heat exchang ...

Potassium Retention in Updraft Gasification of Wood

Effect of the addition of carbonaceous fibers on the tribological behavior of a phenolic resin sliding against cast iron

Crystal Structures of Phenyltrimethylammonium Salts of Hexabromodiselenate(II), [C6H5(CH3)3N]2[Se2Br6], Hexachlorodiselenate(II), [C6H5(CH3)3N]2[Se2Cl6], and a Mixed Bromo/Chlorodiselenate(II), [C6H5(CH3)3N]2[Se2Br5Cl].

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Crystal Structures of Phenyltrimethylammonium Salts of Tetrabromoselenate(II) Bromide, [C6H5(CH3)3N]2[SeBr4].[C6H5(CH3)3N]Br and a Mixed Tetra(bromo/chloro)selenate(II).

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Francisca Garcia

Papers

Crystal Structures of Phenyltrimethylammonium Salts of Hexabromodiselenate(II), [C6H5(CH3)3N]2[Se2Br6], Hexachlorodiselenate(II), [C6H5(CH3)3N]2[Se2Cl6], and a Mixed Bromo/Chlorodiselenate(II), [C6H5(CH3)3N]2[Se2Br5Cl].

Crystal Structures of Phenyltrimethylammonium Salts of Tetrabromoselenate(II) Bromide, [C6H5(CH3)3N]2[SeBr4].[C6H5(CH3)3N]Br and a Mixed Tetra(bromo/chloro)selenate(II).

Thermal Analytical Study of the Decomposition of K2Ca2(CO3)3.