发明名称 |
PROCESS FOR PRODUCING HYDROXYLAMINE |
摘要 |
It is an object of the present invention to provide a process for producing a hydroxylamine by reacting a salt of hydroxylamine with an alkali compound, where the yield reduction due to formation of a complex between the produced hydroxylamine and a salt produced as a by-product or adsorption of the hydroxylamine to the by-product salt is decreased, and a high-concentration and high-purity hydroxylamine is safely produced at a high yield. The process for producing a hydroxylamine of the present invention comprises a reaction step of reacting a salt of hydroxylamine with an alkali compound to obtain a hydroxylamine while keeping the reaction solution at a pH of 7 or more, a purification step of purifying the hydroxylamine by ion exchange, and a concentration step of concentrating the hydroxylamine by distillation at the column bottom. |
申请公布号 |
WO2005016817(A2) |
申请公布日期 |
2005.02.24 |
申请号 |
WO2004JP11854 |
申请日期 |
2004.08.12 |
申请人 |
SHOWA DENKO K. K.;AOKI, TAKANORI;HIRO, TOSHITAKA |
发明人 |
AOKI, TAKANORI;HIRO, TOSHITAKA |
分类号 |
C01B21/14 |
主分类号 |
C01B21/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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