How to draw the fractionation curve of methanol and water

It is suggested that distillation is the best. If the main components in the waste are methanol and water, and there are no other toxic and harmful components, simple distillation equipment can be used to extract with different boiling points. The proposed methanol is about 85℃, the highest is 90℃, which is clear and transparent, and it is no problem to be an alcohol-based fuel. If you want a higher purity, add a methanol dehydration filter (several hundred yuan), and the purity can reach more than 95 degrees.

Distillation refers to the mass transfer process of separating components by using the volatility difference of each component in a liquid mixture. A process of evaporation and condensation, in which the vapor produced by boiling liquid is introduced into a condenser tube to be cooled and condensed into liquid. Distillation is an important operation technology to separate mixtures, especially liquid mixtures.

abstract

Using the difference of volatility of each component in the liquid mixture, the liquid mixture is partially vaporized, and then the vapor is partially condensed, thus realizing the separation of its components. Belonging to the unit operation of mass transfer and separation. Widely used in oil refining, chemical industry, light industry and other fields. Its principle takes the separation of two-component mixed liquid as an example. When the feed liquid is partially vaporized by heating, the volatile components are enriched in the vapor, and the non-volatile components are also enriched in the remaining liquid, which realizes the separation of the two components to some extent.