Method of producing hydrogen peroxide and reaction promoters the

Details Method of producing hydrogen peroxide and reaction promoters the Method of producing hydrogen peroxide and reaction promoters the

1998-10-20

2000-11-28

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

423589, 423590, C01B 15023

Patent

active

061531693

ABSTRACT:
A cyclic anthraquinone process for producing hydrogen peroxide using at least two differently substituted 2-alkylanthraquinones and/or their tetrahydro derivatives. The working solution to be used contains (i) at least one reaction carrier from the series 2-(4-methyl-3-pentenyl) anthraquinone (IHEAQ), 2-(4-methylpentyl) anthraquinone (IHAQ) and their di- and tetrahydro derivatives such as, in particular 2-(4-methylpentyl)-.beta.-tetrahydroanthraquinone (THIHAQ), and (ii) at least one reaction carrier from the series of the 2-(C.sub.1 - to C.sub.5)-alkylanthraquinones, especially 2-ethylanthraquinone (EAQ), and their tetrahydro derivatives. The reaction carriers according to (i) make up 5 to 95 molar %, especially 20 to 50 molar % of all reaction carriers. The method is distinguished by greater H.sub.2 O.sub.2 capacity, improved hydrogenation kinetics and lesser susceptibility to disturbances. A method for making THIHAQ is also disclosed.

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