Synthesis of micro-mesoporous zeolites β/M(where β and M denote β zeolite and MCM-41 zeolite,respectively) combined with zeolites β and MCM-41 was achieved in the sodium hydroxide system using a two-step hydrothermal treatment method.Sodium aluminate and fume silica were used as the sources of aluminum and silicon,while tetraethylammonium hydroxide(TEAOH) and cetyltrimethylammonium bromide(CTAB) were used as templates for the formation of β crystal seeds and for self-assembling of β crystal seeds into mesop...
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