By microwave irradiation, the citral was obtained from Litea cubeba fruits, the yield was risen in average 36.5% than by traditional distillation in a current of steam.
采用微波辐照技术从山苍子中提取制备柠檬醛,使山苍子精油的提取率较传统的直接水蒸气蒸馏法平均提高36.5%以上。
In the new process of synthesis of vanillin with bromine, the bromine in the wastewater is retrieved by steam distillation. As a result, the bromine consumption is reduced.
在溴法合成香兰素新工艺中,用水蒸汽蒸馏法回收萃余相中的溴,降低了溴的消耗定额。
The article developed a new type of steam distillation and reflux apparatus. This apparatus can finish the operations of steam distillation, reflux and watershed. The results were good.
提出了一种新型水气蒸馏回流仪,该仪器具有水气蒸馏、回流提取及分水等多种功能,且便于操作。经试用,效果良好。
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