阅读说明：本技术 采用吡唑啉再循环的制备肼水合物的经改善的方法 (Improved process for making hydrazine hydrate with pyrazoline recycle ) 是由 J-M.萨奇 于 2020-05-12 设计创作，主要内容包括：本发明涉及经改善的方法,该方法用于在活化剂的存在下,通过以过氧化氢对氨进行氧化,从由甲乙酮获得的甲乙酮的吖嗪制备肼水合物,特征在于,该方法包括使吡唑啉族杂环化物的清除物再循环的步骤。(The invention relates to an improved method for producing hydrazine hydrate from azines of methyl ethyl ketone obtained from methyl ethyl ketone by oxidizing ammonia with hydrogen peroxide in the presence of an activating agent, characterized in that it comprises a step of recycling the purge of pyrazoline heterocycles.)