发明名称 |
NOVEL AQUEOUS HYDROGEN PEROXIDE SOLUTIONS |
摘要 |
An aqueous hydrogen peroxide solution comprises less than 50 wppm alkali metals and/or alkaline earth metals, less than 50 wppm amines having a pkB of less than 4.5 or the protonated compounds in total, and >= 100 wppm anions or compounds that can dissociate to form anions in total. An independent claim is also included for a method for the preparation of the hydrogen peroxide solution comprising: (a) hydrogenation of a working solution comprising organic solvent(s) and active anthraquinone compound(s); (b) oxidation of the hydrogenated working solution to form hydrogen peroxide; (c) extraction of hydrogen peroxide with water; (d) stabilizing the extracted aqueous hydrogen peroxide solution; (e) concentrating the aqueous hydrogen peroxide solution to a concentration of hydrogen peroxide of >= 50 wt.%; (f) drying of the working solution; and (g) regeneration and purification of the working solution. |
申请公布号 |
EP1546035(B1) |
申请公布日期 |
2008.12.31 |
申请号 |
EP20030798172 |
申请日期 |
2003.09.23 |
申请人 |
EVONIK DEGUSSA GMBH |
发明人 |
BRASSE, CLAUDIA;GLENNEBERG, JUERGEN;HAAS, THOMAS;STOCHNIOL, GUIDO;WOELL, WOLFGANG |
分类号 |
B01J29/04;B01J29/89;C01B15/013;C01B15/023;C01B15/037;C07D301/12;C07D303/04 |
主分类号 |
B01J29/04 |
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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