石化废催化剂
waste petrochemical catalysts
废催化剂
spent catalys
spent catalysts
spent catalyst
waste catalyst
wast catalysis
waste catalysts
Exhausted catalyst
waste catalyst containing tungsten
废氢化催化剂
waste hydrogenated catalyst
分子筛催化剂废水
wastewater from molecular sieve catalyzer
含钴催化剂废料
Coblat-bearing catalyst waste
含贵金属废催化剂
spent noble metals bearing catalysts
含钼废催化剂
molybdenum-containing waste catalys ts
含钨废催化剂
waste catalyst containing tungsten