Industry analysis: Using waste oil or gutter oil as raw materials and adopting appropriate processes to produce methyl ester of oil and palmitate has become very mature due to its low cost, mature technology, and wide market. In this production process, the dehydration and distillation of the vacuum unit are a crucial part.
Vacuum units are mainly used in the following processes:
（1） Vacuum dehydration of fatty acids and acidified oils.
（2） After obtaining crude methyl ester, it is washed with water, converted into methyl ester, and then distilled.
（3） : Vacuum drying of acidified oil after transesterification and water washing. Dry before vacuum distillation.
The production of fatty acid methyl ester and other lipids from waste oil is essentially a fine chemical industry. Although there are many ways to separate substances, such as extraction, crystallization, adsorption and membrane separation, the most economical and efficient method is distillation technology. The most commonly used fatty acids and by-products are distillation, distillation, and even continuous distillation. High vacuum distillation can achieve material separation and high purity. So what vacuum unit is used?
Generally, fatty acid processes are used to achieve this. Adopting a low energy consumption distillation separation technology of 1300pa. For example, a processing capacity of 20000 tons per year requires a 3-level Roots reciprocating vacuum unit/Roots water ring vacuum unit.
For the production process of fatty acid methyl ester, what kind of vacuum unit is used, please contact us for details.
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