Which Zeolite can be prepared under atmospheric pressure without using any template?

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Gangli Zhu

Zeolites can be prepared under atmospheric pressure without using any template , for example, zeolite Y, ZSM-5

see Article 1H-MAS n.m.r. studies of ZSM-5 type zeolites

doi:10.1007/s10934-008-9200-4

but also S-Beta and S-ZSM-5 , even without solvent , see Prof. Xiao's work : Article Sustainable Synthesis of Zeolites without Addition of Both O...

Melford Egbujor

zeolites ZSM-5 and silica nano-sized zeolite Y are easy types. Template and even solvent-free for ZSM-5, see http://dx.doi.org/10.1007/s10934-008-9200-4 and DOI:10.1039/C9NA00399A