{HEAD ~ The process} for producing {TAIL ~ the composition} comprises the steps: combining a zeolite with a promoter under a condition sufficient to incorporate the zeolite with the promoter to produce a first promoted zeolite; incorporating the first promoted zeolite with a second promoter to produce a second promoted zeolite; and heating the second promoted zeolite 
for producing
{ HEAD ~ The process } for producing { TAIL ~ the composition } comprises the steps : combining a zeolite with a promoter under a condition sufficient to incorporate the zeolite with the promoter to produce a first promoted zeolite ; incorporating the first promoted zeolite with a second promoter to produce a second promoted zeolite ; and heating the second promoted zeolite
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