探讨了混合油负压蒸发二次蒸汽利用工艺设计和工程实践中应注意的几个问题。
Some questions on process designment and project practice of the miscella evaporation under vacuum are described.
实验室及中试试验表明：采用二次浸取工艺替代蒸发浓缩工艺，行之有效。
The tests of laboratory and plant indicate that it is efficient to replace inspissationwith second leaching.
东华大学硕士论文2。研究了铸膜液的预蒸发时间对二次成形聚醚矾膜结构与性能的影响。
2. The effects of pre - evaporation time on the structure and properties of pes membranes by two - step formation.
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