Table 1.

Summary of formulas for ϕ.

Scheme	Formula	Equation (this paper)
Scheme A (O2 measured)	$\varphi =\frac{y_{{\text{O}}_2,\text{A}}^{*}-y_{{\text{O}}_2,\text{A}}}{y_{{\text{O}}_2,\text{A}}^{*}\left(1-y_{{\text{O}}_2,\text{A}}\right)}$	Eq. (75)
Scheme B (O2 and CO2 measured)	$\varphi =\frac{y_{{\text{O}}_2,\text{A}}^{*}\left(1-y_{{\text{CO}}_2,\text{A}}\right)-y_{{\text{O}}_2,\text{A}}\left(1-y_{{\text{CO}}_2,\text{A}}^{*}\right)}{y_{{\text{O}}_2,\text{A}}^{*}\left(1-y_{{\text{O}}_2,\text{A}}-y_{{\text{CO}}_2,\text{A}}\right)}$	Eq. (77)
Scheme C (O2, CO2, and CO measured)	$\varphi =\frac{y_{{\text{O}}_2\text{A}}^{*}\left(1-y_{{\text{CO}}_2,\text{A}}-y_{\text{CO},\text{A}}\right)-y_{{\text{O}}_2,\text{A}}\left(1-y_{{\text{CO}}_2,\text{A}}^{*}\right)}{y_{{\text{O}}_2,\text{A}}^{*}\left(1-y_{{\text{O}}_2,\text{A}}-y_{{\text{CO}}_2,\text{A}}-y_{\text{CO},\text{A}}\right)}$	Eq. (79)
Scheme D (O2, CO2, CO, and H2O measured)	$\varphi =\frac{y_{{\text{O}}_2,\text{A}}^{*}\left(1-y_{{\text{CO}}_2,\text{A}}-y_{\text{CO},\text{A}}\right)-y_{{\text{O}}_2,\text{A}}\left(1-y_{{\text{CO}}_2,\text{A}}^{*}\right)}{y_{{\text{O}}_2,\text{A}}^{*}\left(1-y_{{\text{O}}_2,\text{A}}-y_{{\text{CO}}_2,\text{A}}-y_{\text{CO},\text{A}}\right)}$	Eq. (79)