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Zeolite Molecular Sieve 5A is an alkali aluminosilicate crystalline structure with a nominal pore aperture of 5 Ångströms (0.5 nm). Chemically defined as the calcium-exchanged form of the Type A zeolite, it replaces sodium ions with divalent calcium ions, which expands the effective pore window from 4Å to 5Å. This crystalline geometry allows for the selective adsorption of molecules based on their critical kinetic diameters and polar properties.
Under thermodynamic equilibrium conditions, Zeolite 5A exhibits high selectivity for straight-chain hydrocarbons (n-paraffins) over branched-chain isomers (iso-paraffins) and cyclic compounds. It is widely recognized as the premier material for Pressure Swing Adsorption (PSA) hydrogen purification, air separation, and the dehydration of sour natural gas streams containing carbon dioxide, hydrogen sulfide, and mercaptans.
Our Zeolite 5A achieves a dynamic water adsorption capacity exceeding 21.5% under standard conditions. This guarantees maximum dry gas dew points (down to -70°C and below), preventing downstream freeze-ups and pipeline corrosion in cryo-separation plants.
Through advanced cation exchange technology, we optimize the calcium substitution rate above 85%. This ensures consistent, uniform pore sizing across the entire lattice batch, reducing premature breakthrough in continuous process plants.
A trusted global pioneer in chemical engineering, standard-setting, and eco-friendly adsorption solutions.
Shanghai Jiuzhou Chemicals Co., Ltd. is located in China's largest economic hub, Shanghai. Over the years, Jiuzhou has consistently adhered to the core operating principles of “Quality Control, Innovation”, committing to the research, development, and manufacturing of high-quality innovative chemical solutions.
Our core portfolio encompasses various molecular sieve powders, finished molecular sieves, activated powder, activated alumina, aluminum oxide catalysts, different types of alumina packing and ceramic balls, sodium silicates, aluminum hydroxide, zeolite 4A, sodium carbonates, and SLES. All of our manufacturing facilities operate under strict compliance with the ISO9001:2008 Quality Management System and have secured certifications from world-renowned inspection bodies like TUV and SGS.
Jiuzhou boasts a professional, world-class research group backed by industry experts. Utilizing state-of-the-art international production technologies and advanced dynamic laboratory facilities, we guarantee that all products conform to rigid international standards. Today, our products are distributed to the United States, Europe, Southeast Asia, Japan, North and South America, and the Middle East, delivering specialized, energy-saving, and eco-friendly solutions.
Our centralized Shanghai facility serves as the core logistics, administrative, and technological hub, executing high-volume synthesis and precision quality testing.
The Wuxi facility leverages automated rotary kilns and large-capacity storage structures to satisfy global supply chain demands for heavy industrial adsorbents.
Guided by our motto "Better air, Better life", we focus on producing low-carbon adsorbents that reduce energy consumption during industrial regeneration processes.
Why procurement managers worldwide choose Shanghai Jiuzhou (JOOZEO) as their primary molecular sieve partner.
By optimizing downstream raw materials (such as high-grade sodium silicates and aluminates) within local industrial clusters, we deliver premier-quality molecular sieves at highly competitive cost margins.
Equipped with computerized rotary calcination kilns, our factories ensure batch-to-batch consistency. Our high storage capacity guarantees swift order fulfillment even for large-scale municipal or oilfield projects.
Every single batch undergoes testing for static water adsorption, crush strength, bulk density, and particle size distribution. Our quality testing protocols comply strictly with ISO9001, SGS, and TUV standards.
JOOZEO actively shapes the standard definitions for industrial dehydration and cooling systems within China and international B2B sectors.
Adsorption compressed air dryers for general use
Activated aluminum oxide for industrial use
Refrigeration compressed air dryers for general use
Advanced standard guidelines for compressed air equipment
Chemical industry standard for synthetic zeolites
International environmental standard for synthetic desiccants
Engineered to handle extreme operational conditions in global gas separation and chemical refineries.
In petroleum refineries and ammonia synthesis plants, hydrogen streams contain trace impurities like CO, CO2, CH4, and N2. Operating within multi-bed PSA units, our Zeolite 5A traps these contaminants at high pressure, yielding hydrogen with a purity exceeding 99.999% for downstream processes.
Raw natural gas must be stripped of corrosive H2S and smelly mercaptans (such as methyl mercaptan) before entering municipal pipelines. Zeolite 5A offers the ideal pore geometry and cation charge strength to co-adsorb these sulfur compounds along with carbon dioxide, preventing downstream steel pipe degradation.
In the manufacture of synthetic detergents and plasticizers, separating n-paraffins from branched and cyclic hydrocarbons is vital. Our Zeolite 5A acts as a molecular gatekeeper, selectively retaining straight-chain alkanes while rejecting iso-paraffins, ensuring high feed-stock purity for chemical synthesis.
Modern procurement managers look beyond price; they prioritize operational lifespan, low dust generation, and mechanical reliability. Key requirements include:
At JOOZEO, we provide comprehensive, custom formulation services, allowing clients to modify binder composition, package size, and bulk density. This satisfies specific project requirements for various oil fields and petrochemical plants worldwide.
| Parameter | JOOZEO Zeolite 5A Standard |
|---|---|
| Pore Aperture | ~ 5 Ångströms |
| Bulk Density | ≥ 0.72 g/ml |
| Static H2O Adsorption | ≥ 21.5 wt% |
| Crush Strength (Pellets) | ≥ 40 N (1.6mm) / ≥ 80 N (3.2mm) |
| Package Moisture Loss | ≤ 1.5% |
| Certifications | ISO9001:2008, TUV, SGS |
Get answers to common technical queries about Zeolite 5A molecular sieves, packaging, and applications.
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