Explore our advanced technological solutions developed for gas processing, air purification, and petrochemical refining operations.
Established in 1994, Shanghai Jiuzhou Chemicals Co., Ltd. (Joozeo) operates at the vanguard of the global chemical adsorption and catalyst industries. Strategically headquartered in Shanghai—China's paramount economic and technological hub—Jiuzhou has built a reputation over three decades as a premium developer, researcher, and manufacturer of advanced inorganic chemical products.
Our core product portfolio features high-performance molecular sieve powders, engineered molecular sieves, active powders, activated alumina, specialized aluminum oxide catalysts, various alumina tower packings, and robust ceramic grinding balls. Designed to withstand demanding industrial pressures, our products serve sectors ranging from natural gas processing to green energy operations. We hold ISO9001:2008 Quality Management System certifications, as well as verified TUV and SGS chemical safety and performance certifications.
Leveraging state-of-the-art production technology and centralized testing facilities in China's industrial hubs.
Focuses on high-tech custom synthesis, molecular sieve activation, and central analytical laboratories equipped with ICP-OES and BET surface area analyzers.
Specializes in large-scale calcination, automated shaping of activated alumina beads, and catalyst carrier production lines to meet high global demand.
Jiuzhou Chemicals is an industry benchmark setter, active in drafting national chemical and equipment regulations.
Adsorption compressed air dryers for general industrial applications
Activated alumina formulations designed for industrial desiccants
Refrigeration compressed air drying systems parameters
National machinery industry compressed air guidelines
Chemical association adsorbent specifications
Green manufacturing & low carbon enterprise standards
In modern chemical processing, the performance of activated alumina is determined by its microstructural characteristics. At Jiuzhou Chemicals, our technology roadmap focuses on controlling the phase transitions of aluminum hydroxides during calcination. By regulating temperature and residence time inside our rotary kilns, we synthesize specific transition-phase aluminas, primarily Gamma-Alumina (γ-Al2O3) and Theta-Alumina (θ-Al2O3).
These transition phases offer high specific surface areas (typically exceeding 300 m²/g) and well-defined pore structures. Our R&D team uses advanced chemical treatments to tailor the pore size distribution. This allows us to manufacture aluminas with targeted macroporous, mesoporous, or microporous characteristics, optimizing diffusion kinetics and maximizing dynamic adsorption capacities for complex process streams.
Beyond physical porosity, the surface chemistry of activated alumina determines its effectiveness in gas drying and catalytic reactions. We manipulate the density of surface hydroxyl groups and coordinatively unsaturated aluminum sites (Lewis acid centers) to adjust selectivity. For example, in Claus Catalyst applications for sulfur recovery in refineries, modifying the surface acidity of our alumina carriers helps minimize sulfate poisoning, extending operational lifetimes in harsh environments.
Our research pipeline includes doping active transition-metal oxides directly into the alumina lattice. This approach improves thermal stability and resistance to steam sintering, which is essential for catalysts operating at high temperatures. In this way, our alumina acts as a functional participant in the reaction, rather than just an inert carrier.
To support global carbon reduction goals, Jiuzhou Chemicals is investing in energy-efficient manufacturing processes. This includes optimizing calcination systems to lower energy consumption and exploring carbon-neutral fuels. Our "Better Air, Better Life" environmental commitment drives our research into adsorbents designed to run at lower regeneration temperatures, helping our global partners reduce their operational emissions.
Industrial adsorption processes rarely rely on a single material. Real-world applications require composite systems designed to handle complex chemical mixtures. Jiuzhou Chemicals develops comprehensive adsorption plans tailored to distinct industry sectors:
In global sourcing, supply chain reliability is just as important as chemical performance. Jiuzhou Chemicals integrates advanced manufacturing, quality control, and logistics to ensure stable supply:
Our factories feature automated dosing, shaping, and calcination lines. This ensures consistent physical properties—like sphere diameter, pore volume, and crush strength—across every production batch.
Our central laboratories verify chemical composition, crystal structures, and adsorption kinetics. Raw materials are tested before processing, and finished products undergo testing to meet global export standards.
Located in Shanghai, near major international shipping terminals, we coordinate directly with global ocean carriers. This enables fast container packing, customs clearance, and delivery to ports worldwide.
Operating in international chemical supply chains requires strict adherence to regulatory standards. Jiuzhou Chemicals maintains complete regulatory alignment to ensure smooth customs clearance and environmental compliance for global operations:
Additionally, our global technical team provides support throughout the product lifecycle. From calculating initial bed loading specifications to assisting with onsite start-up, we help operators optimize their systems. We also provide post-installation analysis of spent adsorbents to help troubleshoot operations and schedule timely maintenance.
Implementing sustainable manufacturing technologies and supporting regional environmental protection initiatives.
Technical answers to common questions regarding alumina, molecular sieves, and application design.
Explore our range of synthetic zeolites, carbon molecular sieves, and silica gels developed for industrial separation applications.
Get in touch with our technical team to receive standard quotes or request custom configurations within 24 hours.
