Production of hydrogen peroxide by anthraquinone process in the presence of a fixed bed catalyst

Claim 1

IN THE METHOD OF PRODUCING HYDROGEN PEROXIDE BY THE ALTERNATE REDUCTION AND OXIDATION OF AN ALKYLATED ANTHRAQUINONE AS THE WORKING MATERIAL DISSOLVED IN A SOLVENT AND CONSTITUTING THE WORKING SOLUTION, AND WHEREIN THE WORKING SOLUTION IS HYDROGENATED BY CONTACT WITH HYDROGEN IN THE PRESENCE OF A FIXED BED OF METALLIC CATALYST CONSTITUTING A NOBLE METAL SUPPORTED ON A CARRIER FROM THE GROUP CONSISTING OF MAGNESIUM CARBONATE, CALCIUM CARBONATE, STRONTIUM CARBONATE, BARIUM CARBONATE, MAGNESIUM CARBIDE, SILICON CARBIDE, ALUMINUM CARBIDE, TITANIUM CARBIDE, ZIRCONIUM CARBIDE, MAGNESIUM OXIDE, SILICON OXIDE, ALUMINUM OXIDE, TITANIUM OXIDE AND ZIRCONIUM OXIDE OF SUBSTANTIALLY UNIFORM CROSS SECTION AIDING THE HYDROGENATION, SAID CATALYST BEING OF 4 TO 100 MESH, THAT IMPROVEMENT WHICH COMPRISES PASSING THE WORKING SOLUTION THROUGH A FIXED BED OF SAID CATALYST AT A RATE OF BETWEEN 20 TO 200 LITERS PER MINUTE PER SQUARE FOOT OF CATALYST BED CROSS-SECTION.