Insights into the influence of various impurities on the stability of Cu/SiO 2 catalyst for the hydrogenation of dimethyl oxalate to ethylene glycol

Key Points

• The aim is to understand how various impurities affect the stability of the Cu/SiO2 catalyst used in hydrogenation reactions.
• Evaluated common impurities in the industrial hydrogenation process.
• Assessed their impact on the performance of the Cu/SiO2 catalyst.
• Conducted stability tests under controlled conditions.
• Identified specific impurities that decreased catalyst stability.
• Quantified the performance reduction associated with different impurities.
• Established the relationship between impurity concentration and catalyst degradation.