4818505 Process for removing or separating pollutants from waste gases

Muller, Dietrich | Elsevier | 1989

4564510 Method for removing nitrogen oxides from waste gases

Bechthold, Hors / Fischer, Heinz J / Schulte, Wolfgang et al. | Elsevier | 1986

4670237 Process of removing pollutants from exhaust gases

Graf, Rolf / Reh, Lotha / Schroter, Michael | Elsevier | 1987

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Wahl, Rudolf / Walz, Erwin | Elsevier | 1989

Process for the separation of hydrogen cyanide from gases and waste gases

Elsevier | 1994