Concentration method of 40% methylhydrazine aqueous solution
A mass concentration, methylhydrazine technology, applied in the preparation of hydrazine, organic chemistry, etc., can solve problems such as leakage, methylhydrazine explosion, safety accidents, etc., and achieve the effect of simple process, convenient operation, safe and reliable process
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[0009] The mass concentration is the 40% methylhydrazine aqueous solution concentration method, at first to 100g mass concentration is 40% methylhydrazine aqueous solution, add 100g mass concentration to be 95% ethylene glycol, carry out rectification after water absorption is finished, rectification ends Finally, in the top of the tower is methylhydrazine with a mass concentration of 98%, and in the bottom of the tower is 70% ethylene glycol solution. After vacuum distillation, the water is removed for reuse.
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