Synthesis of Zeolite from Electrolytic Manganese Residue: Investigation on the Variation of the Propert of Zeolite during the Conversion Process

Table 3

Comparison of CEC value of the as-synthesized EMRZ and related typical zeolites.

Sample	CEC (meq/g)	Reference
EMRZ^a	3.45	This work
Zeolite X	2.79	[12]
Zeolite A (Na)	0.87∼1.05	[21]
Na-P1	0.99∼1.31	[22]
Natural Turkish clinoptilolite	0.95∼1.40	[23]
Natural Chinese (Chende) zeolite	0.82	[24]

^aEMRZ obtained in this work under the following synthesis conditions: reaction temperature, 100°C; reaction time, 1.5 h; initial Si/Al ratio, 1.5.