【摘要】 阐述了Ｒ－ＨＹ型催化剂高收率、高负荷的特点和工艺特征及在哈尔滨石油化工厂的应用情况，结果表明：苯酐产品纯度达到９９．８％以上，产量增加３５００ｔ／ａ，获得了显著的经济效益。更多还原

【Abstract】 R-HY catalyst, characterized by high yield, high load and process characteristics, as well as application situation in Harbin Petrochemical Works is described. The result indicates that the purity of phthalic anhydride product is above 99.8% and production rate is increased by 3 500 t/a, achieving significant economic benefits.更多还原