论文部分内容阅读
具有有机基团的锰盐,是脂肪经和环烷经氧化过程的有效催化剂。但是由于有机基团的存在,催化氧化的诱导期较长,催化剂活性较低,而且生成的脂肪酸具有较高的羰值。对氧化物料添加0.05%以下的碱(可用氢氧化钾),可以提高有机锰盐的催化活性,缩短诱导期,而且减少羰基化合物的含量,从而提高了脂肪酸的质量。进行活化的方法可归纳如下:在熔融(110～120℃)的石腊中,加入大豹40%重量的有机锰盐,吹入空气,使溶液成浑浊状态,保持温度在140～150℃。这样制备出来的催化剂,在石腊氧化制脂肪酸的过程中,就大大缩短了诱导期,同时还提高了脂肪酸的产
Manganese salts with organic groups are effective catalysts for the oxidation of aliphatic and naphthenic acids. However, due to the presence of organic groups, the induction period of catalytic oxidation is longer, the activity of the catalyst is lower, and the resulting fatty acid has a higher carbonyl value. Addition of 0.05% or less alkali (available potassium hydroxide) to the oxidizing material can increase the catalytic activity of the organic manganese salt, shorten the induction period, reduce the content of the carbonyl compound, and improve the quality of the fatty acid. To activate the method can be summarized as follows: In the melting (110 ~ 120 ℃) paraffin, the big leopard 40% by weight of organic manganese salt, blowing air, the solution into a cloudy state, maintaining the temperature at 140 ~ 150 ℃. The catalyst prepared in this way greatly shortens the induction period during the oxidation of paraffin wax to fatty acid and at the same time increases the production of fatty acids