Page 115 - 《精细化工》2022年第4期

第 4 期 沈 冲，等: 蒽醌法双氧水钯催化剂的制备及工业应用 ·751·

趋势图。由图 5 可知，投产 28 d 后，工作液中 2- APC-Q-1S 和 LDHA-1 催化剂的性能。在宁波四明
乙基四氢蒽醌的含量涨幅明显趋缓，投产 200 d 后， 装置中，LDHA-1 催化剂的时空产率较 APC-Q-1S
其含量基本稳定，总有效蒽醌含量（2-乙基蒽醌和 提升了 70.0%；在江西世龙装置中，LDHA-1 催化
2-乙基四氢蒽醌含量之和）稳中有升，说明 LDHA-1 剂的时空产率达到 8.55 kg H 2 O 2 /(kg cat·d)，显著高
催化剂选择性良好。 于同类型催化剂。这说明优化催化剂孔结构对提高
蒽醌加氢催化剂活性非常重要，为持续改进蒽醌加
表 6 工业装置中不同催化剂的生产能力 氢催化剂提供了有益思路。
Table 6 Production capacity of different catalysts in industrial
plants
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时空产率/[kg H 2O 2/(kg cat·d)]
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化氢生产装置（均按 100% H 2 O 2 计算）上对比了 （下转第 760 页）