Improper storage can lead to several risks, including:
1. Loss of Activity: Catalysts may lose their active sites due to degradation. 2. Contamination: Exposure to foreign substances can poison the catalyst, rendering it ineffective. 3. Structural Changes: Physical and chemical changes can alter the catalyst's structure, affecting its performance. 4. Safety Hazards: Some catalysts are pyrophoric or can release toxic substances if not stored correctly.
