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DIFFERENTIAL HEAT OF ADSORPTION OF AMMONIA ON LTA CEOLITE

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dc.contributor.authorBazarbayev M.
dc.contributor.authorJuraeva Z.
dc.contributor.authorMamadaliev U.
dc.date.accessioned2025-12-28T15:43:36Z
dc.date.issued2025-03-01
dc.description.abstractThis paper presents the results of differential heat of adsorption of ammonia in Ca5Na3A zeolite (MSS-624) at a constant temperature of 303 K. A system consisting of a universal high-vacuum adsorption unit coupled to a Tiana-Calvet type differential microcalorimeter, DAK-1-1A, was used to measure the differential heat of adsorption. A correlation between adsorption-energy characteristics was found, and the molecular mechanism of ammonia adsorption in Ca5Na3A zeolite (MSS-624) in the whole filling region was also revealed. A stepwise change in the differential heat of adsorption depending on the amount of Na+ and Ca2+ cations in the zeolite has been established. Ammonia molecules initially form tetrameric ion-molecular complexes 4NH3:Na+ in the first coordination sphere with sodium cations and monomeric ion-molecular complexes 2NH3:Ca2+ with calcium cations
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dc.identifier.urihttps://innovateconferences.org/index.php/ic/article/view/27
dc.identifier.urihttps://asianeducationindex.com/handle/123456789/9139
dc.language.isoeng
dc.publisherInnovate Conferences
dc.relationhttps://innovateconferences.org/index.php/ic/article/view/27/30
dc.rightshttps://creativecommons.org/licenses/by/4.0
dc.sourceInnovate Conferences; 2025: ICDE -INDIA -FEB; 11-15
dc.subjectadsorption, heat, enthalpy, thermodynamics, microcalorimeter, ammonia, adsorption mechanism, cation, sodium, calcium.
dc.titleDIFFERENTIAL HEAT OF ADSORPTION OF AMMONIA ON LTA CEOLITE
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Article

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