Carbon-Based Catalyst from Pyrolysis of Waste Tire for Catalytic Ethanol Dehydration to Ethylene and Diethyl Ether

Figure 3

SEM micrographs of the catalysts: (a) AC_H420, (b) AC_H520, (c) AC_H620, (d) AC_N420, (e) AC_N520, and (f) AC_N620.

(a)

(b)

(c)

(d)

(e)

(f)