... based catalyst PGH-10 for first-stage hydrogenation of pyroysis gasoline. based catalyst PGH-10 for first-stage hydrogenation of pyroysis ... gasolinePGH-10 serials catalysts for first-stage hydrogenation of pyroysis gasoline, composed of noble metal ... demand, PGH-10A, a new brand catalyst for the first-stage hydrogenation of pyroysis gasoline, was developed by liaoning haitai ...