Using concentrated H_2SO_4 modified coal based activated carbon as catalyst,benzylaldehyde glycol acetal was synthesized from benzylaldehyde and glycol.

• 以浓硫酸改性煤基活性炭为催化剂,以苯甲醛和乙二醇为原料合成苯甲醛乙二醇缩醛的反应条件进行了研究。