3A Molecular Sieve for Specific Applications, Var | RFQ Sourcing Details

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RJ-1486 EINECS Shape Pellet, Particle Drying Method Static Drying Kind Adsorbent Desiccant Sorbent Molecular Sieves Desiccant Chemical Desiccant Advantage Excellent Catalyst Character High Temperature Resistance Peculiarity High Adsorption Capacity Color Cream-Coloured Features High Adsorption Capacity, Excellent Thermal and CH Transport Package Steel Drum, Ton Bag, Carton Box Specification 1.7-2.5mm 3.0-5.0mm Trademark RONGJIAN Origin China HS Code Production Capacity 10000ton/Year Packaging & Delivery Package Size 110.00cm * 100.00cm * 100.00cm Package Gross Weight 25.000kg Molecular Sieves: Key Principles Molecular Sieve 3A is a synthetic zeolite with a pore size of approxima silicates (zeolites) with uniform micropores arranged in a cubic lattice.

Selective adsorption based on molecular size: Smaller molecules enter pores and are trapped, while larger ones are excluded—hence the "sieve" analogy. Pore Size Classification Type 3A (3 A), 4A (4 A), 5A (5 A), and 13X (10 A) are common, each targeting specific molecules (e.g., 3A for water, 4A for CO 2 ).

Mechanism Adsorption occurs via van der Waals forces and electrostatic interactions within pores. Regenerable by heating (~200–350°C) to release trapped molecules. Applications Gas/Liquid Drying: E.g., dehydrating ethanol or natural gas.

Separation: Isomer purification (e.g., separating n-paraffins from branched chains). Catalysis: Used as supports in petrochemical reactions.

Specification Name Unit Molecular Sieve shape - strip type ball diameter mm size ratio up to grade % ≥98 ≥98 ≥96 ≥96 bulk density g/ml ≥0.60 ≥0.60 ≥0.60 ≥0.60 wear ratio % ≤0.20 ≤0.25 ≤0.20 ≤0.20 crushing strength N ≥45/cm ≥60/cm ≥45/p ≥45/p static H2O adsorption % ≥20 ≥20 ≥20 ≥20 water content % ≤1.5 ≤1.5 ≤1.5 ≤1.5 Adsorption Mechanism Size Exclusion: Molecules smaller than pore size (e.g., H2O: 2.6 Å) enter and adsorb;larger ones (e.g., CH4: 3.8 Å) are blocked.

Surface Interactions: Polar molecules (e.g., water, NH3) bind strongly via hydrogen bonding and electrostatic forces. Thermodynamics: Exothermic process;adsorption capacity decreases with temperature. Applications 1.

Polarity & Adsorption Mechanism Polar Cavity: The aluminosilicate framework creates an electrostatic field within pores due to unsatisfied charges (from Al³ + substitution in SiO 4 tetrahedra).

Interactions:Polar Molecules (e.g., H 2 O, CO 2 , H 2 S): Bind via hydrogen bonding or dipole-cation attraction (e.g., H 2 O → K + in 3A sieves). Polarizable Molecules (e.g., CO 2 ): Induced dipoles form transient bonds with lattice cations (e.g., Na + in 13X sieves).

Selectivity: Smaller polar molecules (kinetic diameter ≤ pore size) are preferentially adsorbed over nonpolar ones (e.g., CH 4 ). 2. Role in Desulfurization Target Molecules:H 2 S (2.6 Å): Strongly adsorbed due to polarity and small size (fits even in 3A sieves).

COS (3.2 Å): Captured by larger-pore sieves (e.g., 4A or 5A). Competitive Adsorption:H 2 O vs. H 2 S: Water typically dominates adsorption sites, requiring pre-drying of gas streams to optimize H 2 S removal.

CO 2 Interference: CO 2 (3.3 Å) competes with sulfur species in 4A/13X sieves;selective formulations (e.g., metal-doped sieves) mitigate this. Company Profile Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd.

Innovative Solutions for Environmental & Industrial Applications Headquarters: Xiangdong District Industrial Park, Pingxiang City, Jiangxi Province, China Core Capabilities Advanced Manufacturing: Custom-designed towers and systems in ceramic, metal, and plastic materials.

Comprehensive Product Portfolio: 200+ specifications including: • Ceramic/metal/plastic packing materials • Molecular sieves & activated alumina • Catalysts & petrochemical additives • Activated carbon & eco-friendly filtration media Turnkey Services: Full-scale pollution control and wastewater treatment projects.

Corporate Strengths ISO 9001 Certified - Guaranteed quality management system compliance. 300+ Workforce - Including 100+ specialized engineers and technicians. 30-Acre Production Base - Integrated R&D and manufacturing facilities.

Awards & Innovations National Science & Technology Achievement Award Provincial Gold Medal & Famous Brand Product 17 Patented Technologies - Protecting proprietary advancements.