| abstract |
The invention relates to a process for preparing molecular sieves, such as ZSM-57, using one or more structure directing agents selected from the group consisting of N n 1 , N n 1 , N n 5 , N n 5 -tetraethyl- N n 1 , N n 5 -dimethylpentane-1,5-diamininum, 1-ethyl-1-(5-(1-methylpiperidin-1-ium-1-yl)pentyl)piperidin-1-ium, 1,1'-(hexane-1,6-diyl)bis(1-ethylpiperidin-1-ium), and 1,1-diethylpyrrolidin-1-ium. |