Process for production of hydrogen peroxide by a chemical photor

Details Process for production of hydrogen peroxide by a chemical photor Process for production of hydrogen peroxide by a chemical photor

1988-05-05

1990-05-22

Doll, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

B01J 1908

Patent

active

049275127

ABSTRACT:
Process for the manufacture of hydrogen peroxide by photoreduction of molecular oxygen in an aqueous medium in the presence of visible light, of semicarbazide acting as an electron donor and of a photosensitizer selected from among Bengal Rose and the rutheniumII tris(2,2'-dipyridyl) complex, the pH of the reaction medium being kept at a value above 9.

REFERENCES:
patent: 1659382 (1928-02-01), Taylor
patent: 4576687 (1986-03-01), Hertl et al.
Photobiochemistry and Photobiophysics, 2 (1981) 355-364.
Photobiochemistry and Photobiophysics, 5 (1983) 93-103.
Chemical Abstracts, 29277e, vol. 108, No. 4, p. 499 (1987).
Chemical Abstracts, 182531c, vol. 98, No. 22, p. 175 (1983).
Jose A. Navarro et al., Journal of Photochemistry and Photobiology, "Hydrogen Peroxide Photoproduction by the Semicarbazide-tris(2,2'-Bipyridine)Ruthenium(II)-Oxygen System", vol. 40, pp. 279-293 (1987).

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