4A Molecular Sieves (CAS 70955-01-0) Buyer’s Guide & Industry Insights 2025
Table of Contents
- Product Overview & Technical Specifications
- Applications & Industrial Uses
- Performance Comparison With Other Adsorbents
- Operational Guidelines & Safety Protocols
- Case Studies: Real-World Implementations
- Supplier Evaluation & Procurement Strategy
1. 4A Molecular Sieves Technical Specifications
| Parameter | 4A Molecular Sieves | 3A Molecular Sieves | 5A Molecular Sieves |
|---|---|---|---|
| CAS Number | 70955-01-0 | 308080-99-1 | 69912-79-4 |
| Pore Diameter | 4 Å | 3 Å | 5 Å |
| Bulk Density | 0.68-0.75 g/cm³ | 0.65-0.70 g/cm³ | 0.70-0.75 g/cm³ |
| Crush Strength | ≥30 N/bead | ≥25 N/bead | ≥35 N/bead |
2. Industrial Applications of 4A Molecular Sieves
Primary Functions:
- Deep dehydration of natural gas streams
- Selective adsorption of H2O, CO2, and H2S
- Purification of liquid hydrocarbons
- Static drying in closed systems
3. Performance Comparison Table
| Property | Silica Gel | Activated Alumina | 4A Molecular Sieves |
|---|---|---|---|
| H2O Capacity (wt%) | 20-30 | 18-22 | 22-25 |
| Regeneration Temp | 120-180°C | 200-300°C | 250-350°C |
4. Operational Best Practices
Installation Guidelines:
- Bed depth-to-diameter ratio 3:1 minimum
- Pre-purge with dry nitrogen
- Heating ramp rate: 50°C/hour maximum
5. Documented Case Studies
Case 1: Petrochemical Plant (Qatar)
- Application: Natural gas dehydration
- Capacity: 25 million m³/day
- Result: Dew point -100°C achieved
Case 2: Pharmaceutical Company (Germany)
- Application: Solvent drying system
- Outcome: 99.9% ethanol purity
- Cycle life: 5 years continuous operation
6. Procurement Consultation
Contact our adsorption experts for:
- Bulk pricing (MT quantities)
- Custom particle size solutions
- Technical validation support
Email: info@vivalr.com
Phone: (86) 15866781826
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