2)、醇与浓H2SO的反应 CHCH2OH+浓H2SO△低湿令CH3CH20SO3H+H2O 140°C CH3 CH2OCH2CH CH3CH2OH+H2S04\170G- C2222）、醇与浓H2SO4的反应 CH3CH2OH + 浓H2 SO4 CH3CH2OSO3H + H2O 较低温度 CH3CH2OH + 浓H2 SO4 140 o C 170 o C CH3CH2OCH2CH3 CH2 =CH2