Molecular sieves are core functional materials in the field of new chemical materials. With regular nano-scale pore structures, they possess four core performances: molecular sieving, high-efficiency adsorption, ion exchange and shape-selective catalysis. They are indispensable key basic materials for petrochemical, gas separation, environmental governance and new energy industries.
Featuring controllable pore size precision, molecular sieves can accurately screen and separate substances according to molecular size, shape and polarity. Meanwhile, they boast the advantages of large specific surface area, high adsorption capacity, excellent thermal stability, high temperature resistance, thermal regeneration and recyclable utilization. They maintain stable and reliable performance under high temperature, high pressure and corrosive working conditions.
At present, mainstream molecular sieve models including 3A, 4A, 5A, 13X, ZSM-5 and SAPO-34 have been widely applied in large-scale industrial production:
3A Molecular Sieve: Mainly used for moistureproof and anti-condensation of insulating glass, as well as deep drying of chemical materials and refrigerants.
4A Molecular Sieve: Suitable for air purification, water softening, and moistureproof & fresh-keeping of food.
5A Molecular Sieve: Applied in air separation for oxygen and nitrogen production, petroleum dewaxing, and hydrocarbon gas separation.
13X Molecular Sieve: Used for natural gas refining, carbon dioxide adsorption and industrial tail gas purification.
ZSM-5 & SAPO-34 Catalytic Molecular Sieves: Widely adopted in high-end chemical processes such as catalytic cracking, isomerization and coal-to-olefins.
In the industrial sector, molecular sieves serve as vital supporting materials for petrochemicals, coal chemical industry, fine chemicals and special gas preparation. They enable heavy oil lightening and high-quality oil refining, and can catalyze the production of high value-added raw materials such as olefins and aromatics. Through pressure swing adsorption technology, they efficiently produce high-purity oxygen, nitrogen and hydrogen, serving metallurgy, electronics, pharmaceutical and fine chemical industries.
In the fields of people's livelihood and environmental protection, molecular sieves have a wide range of application scenarios. They are extensively used in moistureproof & anti-condensation of household insulating glass, water removal of air conditioning refrigeration systems, low-temperature clothes drying, and anticorrosion & fresh-keeping of food and medicine. Additionally, they can treat industrial VOCs waste gas, adsorb ammonia nitrogen and heavy metals in sewage, and participate in flue gas carbon capture, helping enterprises achieve energy conservation, carbon reduction and ecological environmental governance.
SHANDONG XUNDA CHEMICAL INDUSTRIAL GROUP CO.LTD. produces 3A, 4A, 5A and 13X molecular sieves that comply with the national standard GB/T 13290-2023 Industrial Molecular Sieves and have passed ISO9001 Quality Management System Certification. Our products feature high purity, strong adsorption selectivity and superior thermal stability. We also provide customized services on product content, shape and specifications to meet personalized customer demands, widely supporting large domestic and foreign refining & chemical enterprises and gas separation plants.
