A958 De-oxygen Protection Catalyst for Sulfur Recovery The main technical index of A958 de-oxygen protection catalyst of sulfur recovery Exterior Brown granuleSize, mmφ4-6Compositionγ-Al2O3 macerated activated oxideSpecific space area, m2/g>260Bulk density, kg/L0.7-0.9Average crushing strength, N/grain>130Abrasion ratio, %(m/m)<0.3 catalyst for sulfur recovery