How to separate a gas mixture of 90% methanol and water?
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I have a system that produces a mixture of 90% methanol and 10% water, at a rate of 5–8 tons per hour, with a temperature of around 100 degrees. I would appreciate advice from experts on the simplest way to separate these components Is it necessary to use a distillation tower? !
It depends on your purity requirements; if a high level of purity is required, multiple stages of balancing are needed, and multiple stages of balancing correspond to distillation towers
The requirements for methanol are not high; 98% or more is sufficient. The requirements for water are higher, as it relates to wastewater treatment issues! !
A small amount of methanol in wastewater should not cause any problems; after all, wastewater treatment plants purchase methanol as a carbon source
I also have a methanol circuit design; I’m seeking experts who can handle the design work on a contract basis. The design is okay; the quantity is large.
What do you use to make the methanol power system work?
If the required purity of the separated methanol is not high, distillation may not be necessary; instead, extractive distillation could be a better option. A water-insoluble solvent with a boiling point between that of water and methanol is added. Feed is introduced at the middle of the tower; crude methanol is obtained at the top, while the bottom of the tower contains a mixture of the solvent and water. Since water and the solvent are insoluble in each other, excess water separates out at the bottom after stratification, and the solvent is recycled. You can use a design institute and simulation software to do the calculations.
Thank you! Could you give some ideas then? What would be the best solvent for this?
Isn’t the content of a reply still an idea? Detailed technical content comes at a cost.