Cu (I)/4A molecular sieve adsorbent as well as preparation method and application thereof

• Main Authors: SONG YUANYUAN, YANG SHUOHAN, LEE OK-SEON, XIAO YONGHOU
• Format: Patent
• Language: Chinese; English
• Published: 06.06.2023
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention discloses a Cu (I)/4A molecular sieve adsorbent and a preparation method and application thereof.The preparation method comprises the steps that copper salt, organic amine, sodium hydroxide, deionized water, an aluminum source and a silicon source are sequentially mixed, then a crystallization reaction is conducted, finally a reduction reaction is conducted with a reducing agent, and therefore the Cu (I)/4A molecular sieve adsorbent is prepared. The Cu (I)/4A molecular sieve adsorbent is prepared by loading a complex formed by copper salt and organic amine into a 4A molecular sieve framework, and the method has the advantages of low cost, simple process, environmental friendliness and the like. Furthermore, more uniform cuprous ions are loaded on the surface and in the pore channels of the Cu (I)/4A molecular sieve adsorbent to provide a pi complexing effect, so that the adsorption capacity of carbon monoxide is greatly improved. 本发明公开了一种Cu(I)/4A分子筛吸附剂及其制备方法和应用，该制备方法包括：将铜盐、有机胺、氢氧化钠、去离子水、铝源和硅源依次混