... .45 K2O . 0.55 Na2O . Al2O3 . 2 SiO2 . 4.5H2OSiO2 : Al2O3 ≈2 Technical Parameter ItemUnitTechnical dataShapePelletSphereDiametermm1.5-1.73.0 ... Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien) 2) Cracked Gas Drying3) Drying of natural gas, if COS minimization ... 4x8 mesh) and as powder, and in pellet 1.6, 3.2.AttentionTo avoid damp and pre-adsorption of organic before running ...