反应详情

温度

80 °C

A reaction tube having an inner diameter of about 12 mm (sectional area, 1.005 cm2) was packed with 4 g of a catalyst and maintained at 6 MPa and 80° C. Butadiene, acetic acid, and nitrogen gas containing 6 mol % oxygen were continuously introduced upward into the reaction tube from its bottom at rates of 0.15 mol/hr, 2.5 mol/hr, and 100 NL/hr, respectively, to yield diacetoxybutene. A reaction liquid obtained in the period from 4 hours after initiation of the reaction to 5 hours after the initiation and a reaction liquid obtained in the period from 6 hours after the initiation to 7 hours after the initiation were analyzed by gas chromatography. The rate of consumption (mmol/hr) of the butadiene per kg of the catalyst was calculated from the average of those found values and taken as catalytic activity. The results obtained are shown in Table 1.

1. customA reaction tube having
2. additionwere continuously introduced upward into the reaction tube from its bottom at rates of 0.15 mol/hr, 2.5 mol/hr, and 100 NL/hr