分子筛

† Application † Removal of CO2 and moisture from air (air pre-purification) and other gases. † Separation of enriched oxygen from air. † Removal of mercaptans and hydrogen supplied from natural gas. † Removal of mercaptans and hydrogen supplied from hydrocarbon liquid streams. † Catalyst protection, removal of oxygenates from hydrocarbons (olefin streams). † Removal of n-chained compositions from aromatics. † Production of bulk oxygen in PSA units. † Production of medical oxygen in small scale oxygen concentrators. † Specifications ItemUnitTechnical dataShapePelletSphereDiametermm1.5-1.73.0-3.31.7-2.53.0-5.0Granular qualified ratio%≥98≥98≥96≥96Bulk densityg/ml≥0.68≥0.68≥0.68≥0.68Wear ratio%≤0.10≤0.20≤0.10≤0.10Crushing strengthN≥30/cm≥45/cm≥25/piece≥75/pieceStatic water adsorption%≥23.5≥23.5≥29≥26Water content, as shipped%≤1.5≤1.5≤1.5≤1.5 † Regeneration Under 200°C dry gas and 0.3-0.5kg/cm2 pressure, let the dry gas pass through the molecular sieve bed 3-4 hours, and the outlet temperature as high as 180°C, then cooling the regeneration tower. † Storage The relative humidity requires less than 90% if keep indoors, and avoid from water