Fig. (1)
Response surface fitted for the design. C1 conversion as a function of: (
a
) GHVS_C2 and TOS; (
b
) TOS and XC1; (
c
) Temperature and TOS; (
d
) Temperature and XC1; (
e
) XC1 and GHVS_C2; (
f
) Temperature and GHVS_C2.
