Process for preparing hydrogen peroxide
US7157071B2 · kind B2 · utility
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32Claims
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Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Jun 22, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B15/01
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention discloses a process for the production of hydrogen peroxide from hydrazine hydrate or hydrazine salt, represented by a general formula:N2H4.nX,wherein, X is H2O, H2SO4, HNO3, HCl, HBr, HI or CH3COOH; n is 0.5, 1 or 2; N is nitrogen; H is hydrogen; S is sulfur; Cl is chlorine; Br is bromine; and I is iodine, by its liquid phase oxidation with oxygen, using a solid catalyst comprising palladium but with or without halogen promoter, in an aqueous reaction medium with or without comprising a mineral acid and/or halide anions, which comprises:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.