Notes on media & materials.

Short, practical articles — each one answers a question our customers actually ask. If your question isn't here, email us; it may become the next article.

All Articles · 244 Molecular Sieves · 99 Activated Alumina · 30 Catalyst Carriers · 22 Alumina & ATH · 63 Guides & Procurement · 30

Molecular Sieves

Molecular Sieve Purification of Electronic-Grade Specialty Gases: NF3, SiH4 and Moisture Below 100 ppb - AluminaWorld

Molecular Sieve Purification of Electronic-Grade Specialty Gases: NF3, SiH4 and Moisture Below 100 ppb - AluminaWorld — COA numbers, dosage across service…

Notes on media & materials.

Molecular Sieve Purification of Electronic-Grade Specialty Gases: NF3, SiH4 and Moisture Below 100 ppb - AluminaWorld

Molecular Sieve Regeneration Best Practices: Extend Sieve Life from 3 to 7 Years

Molecular Sieve for Biogas Upgrading: 13X vs Activated Carbon for CO2 Removal

Molecular Sieve for O2 Concentrator: LiLSX vs 5A vs 13X Performance Comparison

Molecular Sieve for Refrigerant Drying (R134a, R410A, R32): Acid Number Control and Compressor Protection

Molecular Sieve for Syngas Purification: CO2, CO, and H2S Removal in SMR and Partial Oxidation Hydrogen Plants

PSA Oxygen Sizing, Bed Depth, and 10-Year TCO: LiLSX vs 5A vs 13X for Industrial and Medical Plants

Polyol Dehydration with 3A Molecular Sieve: Viscosity, NCO Consumption, and 5-Year TCO for Polyurethane Foam Producers

Pseudo Boehmite Alumina Content: 70% vs 75% vs 80% Selection Guide for Catalyst and Ceramic Engineers

Pseudo Boehmite For Lithium Battery Separator Coating

Pseudo Boehmite for FCC Catalyst: Gel vs Powder Property Differences

Pseudo Boehmite for Hydrodesulfurization: Pore Structure Design for CoMo and NiMo Catalysts

Pseudo-Boehmite Aging Time Effect on Pore Structure: 0h vs 24h vs 72h at 80°C Crystallinity Data

Pseudo-Boehmite Peptization Index: How to Read HCl, Formic Acid, and HNO&#8323; Demand Curves

Regeneration Gas Composition Effect on Activated Alumina Capacity: Dry Air vs Nitrogen vs Methane — 7 Field Cases

Regeneration Gas Composition Effect on Activated Alumina Capacity: Dry Air vs Nitrogen vs Methane — 7 Field Cases

Sourcing Molecular Sieve from China: 7 QC Checks Every Buyer-Engineer Should Run Before Loading Vessels (2026 Update)

Spherical vs Extrudate Catalyst Carrier: Pressure Drop, Diffusion Length, and Mechanical Strength Trade-Off

Surface-Treated ATH: How Silane Coating Improves Polymer Loading and Dispersion

Tabular Alumina for Catalyst Bed Support: 6×6 Mesh vs 1/4" Spheres vs Saddle Random Packing — Pressure Drop, Mass Distribution, and ASTM D4058 Attrition Data

Tabular Alumina vs White Fused Alumina: Cost-Performance in Technical Ceramics

Thermal Regeneration Heat Duty Calc Sensible Desorption Enthalpy Worked Example

Why Cation-Modified Aluminium Oxide Outperforms Plain γ-Al₂O₃ in Compressed-Air Dryers — Meshcheryakov et al. (Applied Sciences, 2021) Translation

Why Your Activated Alumina Disintegrates: Mechanical Strength Standards Explained

Pseudo-Boehmite Peptization Index: How to Read HCl, Formic Acid, and HNO₃ Demand Curves