Hierarchical Low Si/Al Ratio Ferrierite Zeolite by Sequential Postsynthesis Treatment: Catalytic Assessment in Dehydration Reaction of Methanol

Table 1

List of investigated samples. All treated samples underwent trough step 2 and step 3.

Sample	Description of postsynthesis treatment
P	Parent sample, untreated
A1	Treated with 1 M NaAlO2 for 0.5 h
B1	Treated with 1 M NaAlO2 for 1.5 h
C1	Treated with 1 M NaAlO2 for 3 h
D1	Treated with 1 M NaAlO2 for 6 h
C1.5	Treated with 1.5 M NaAlO2 for 3 h
B2	Treated with 2 M NaAlO2 for 1.5 h
C2	Treated with 2 M NaAlO2 for 3 h
DesNaOH	Treated with 0.2 NaOH at 80°C for 6 h