利用合成氨铜洗回收的一氧化碳催化合成草酸酯 Ⅰ.催化剂评价

简要介绍了一氧化碳常压催化合成草酸酯技术。通过催化剂的重复制备、原料组分、空速、温度等条件试验表明,研制的合成草酸=甲酯的催化剂具有良好的活性和选择性。空速2600h~(-1),催化剂活性达875g(CH_3OCO)_2/L·h;空速5025h~(-1)时,催化剂活性达1411g(CH_3OCO)_2/L·h。经1004小时连续催化剂寿命试验表明,其活性和稳定性保持不变。

Catalytic synthesis of oxalate ester by utilizing CO recovered from ammonia plant I.Catalyst Evaluation

Catalytic synthesis of oxalate ester from CO at normal pressure is outlined.The tests, carried out through repeated preparations of catalyst and under various conditions in respect to feed composition, space velocity, teniperature, etc., show that the catalyst developed for catalytic synthesis of dimethyl oxalate has good activity and selectivity.And its activity and stability remain unchanged after a continuous life test of 1004 h.