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Solvay Umweltchemie Gmbh

Gunther Strauss

Klaus-Dieter Vorlop

Michael Sell

Thomas Tacke

A catalyst is disclosed made from a porous inorganic carrier material impregnated with a metal component selected from palladium, rhodium, mixtures of palladium and rhodium, and mixtures of palladium and a metal of the copper group, in which the carrier has a bimodal pore radius distribution with a first pore radius distribution maximum in the range of up to 400 .ANG., preferably 50 to 350 .ANG., and with a proportion of at least 20%, relative to the overall pore volume, of macropores having a radius of at least 2,000 .ANG., preferably 5,000 to 20,000 .ANG..

Catalyst for removing the nitrite and/or nitrate content in water

A continuously performable process for the removal or reduction of the nite and/or nitrate content of nitrite-polluted and/or nitrate-polluted water with the selective formation of nitrogen by catalytic hydrogenation. Catalysts suitable for carrying out such a process are also described.

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Hanover, Germany

Gunther Strauss