B PERFORMING OPERATIONS; TRANSPORTING
B01 PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J29/00 Catalysts comprising molecular sieves
B01J29/04 having base-exchange properties, e.g. crystalline zeolites
B01J29/06 Crystalline aluminosilicate zeolites; Isomorphous compounds thereof