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NFPA 704
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모레큘라시브 13X C화학적 특성, 용도, 생산
화학적 성질
beige to light brown granules
용도
Molecular Sieve 13X is a highly porous sodium form of zeolite X that is widely used in the purification of air before liquefaction, natural gas purification, separation of substances, and drying. It is also suitable for the adsorption of large molecules such as aromatics, branched-chain hydrocarbons, and organosulfur compounds. Molecular Sieve 13X has a greater ability to accept molecules because of its higher SiO2/Al2O5 ratio. Therefore, 13X also finds the application in the removal of phenolic pollutants.
정의
Molecular sieve 13x is the sodium form of the Type X crystal structure with pore diameters of approximately 10 Å. It can adsorb all molecules that can be adsorbed by 3A, 4A, and 5A molecular sieve. Type 13X molecular sieve can also adsorb molecules such as aromatics and branched-chain hydrocarbons, which have large critical diameters. The molecular sieves can also be used for the desulphurization (sweetening) of natural gas and other fluids. Especially for the removal of contaminants, for air plant purification and for the non-cryogenic oxygen enrichment from air using pressure (vacuum) swing adsorption (PSA/VPSA) technique. The 13X packing always is preferred for analysis of carbon monoxide, particularly at trace concentrations, because of lower retention results in sharper chromatographic peaks and improved detection limits.
일반 설명
Molecular Sieve 13X is a highly porous sodium form of zeolite X suitable for the adsorption of large molecules such as aromatics, branched-chain hydrocarbons, and organosulfur compounds.
