Table 3. Variance analysis of FTS waste activated carbon properties

Source DF Yield Proximate properties Adsorption properties
MC VMC ASH FC ACB ACM ACI
Activation temperature (A) 2 * * * * * * * *
Heating duration (B) 2 * * * NS * NS * *
A × B 4 * * * NS * NS * *
Error 36
Total 44
NS: non-significant (p > 0.05); *: significant (p < 0.05).
FTS: fast-growing teak sapwood, DF: degree of freedom, MC: moisture content, VMC: volatile matter content, ASH: ash content, FC: fixed carbon content, ACB: adsorption capacity of benzene, ACM: adsorption capacity of methylene blue, ACI: adsorption capacity of iodine.