Despite its importance, catalyst recovery poses several challenges: 1. Deactivation: Catalysts can lose activity over time due to poisoning or sintering, making recovery less effective. 2. Selectivity: Ensuring that only the catalyst is recovered without contaminants. 3. Complex Mixtures: Multi-component systems can complicate the recovery process. 4. Cost: Some recovery methods can be expensive, negating the economic benefits of recovery.
