METHOD AND APPARATUS FOR PRODUCING HIGH-PURITY HYDRAZINE FROM SAFE RAW MATERIAL Russian patent published in 2024 - IPC B01D3/10 B01D5/00 C01B21/16 

Abstract RU 2828879 C1

FIELD: chemistry.

SUBSTANCE: invention relates to chemical engineering, specifically to a method of producing high-purity hydrazine with a level of impurities acceptable for use as fuel, and an apparatus for implementing said method. Method involves preparation of a mixture of carbohydrazide, sodium hydroxide and water in an inert gas atmosphere, evacuation to a residual pressure of 3 to 20 mm Hg, heating the mixture to temperature of 30-50 °C and separating hydrazine by distillation from the resulting mixture of sodium carbonate, sodium hydroxide, water and hydrazine.

EFFECT: providing a method and apparatus for producing a high-purity end product with a level of impurities which is acceptable for use as fuel from a safe starting material – carbohydrazide.

2 cl, 1 dwg, 5 tbl, 1 ex

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Authors

Kedik Stanislav Anatolevich

Suslov Vasilii Viktorovich

Kochkina Iuliia Viacheslavovna

Dates

2024-10-21Published

2024-04-24Filed