Bioelectrochemical production of hydrogen in an innovative pressure-retarded osmosis/microbial electrolysis cell system: experiments and modeling

Table 1 The initial conditions for the PRO experiments and simulation in different studies

Experiment	V ^a_PRO (mL)	S ^b_PRO (mg L⁻¹)	NaCl ^c_In (M)	P^d (bar)	V ^e_A (mL)	V ^f_C (mL)	S ^g_A	Voltage^h (V)
Experiment	V ^a_PRO (mL)	S ^b_PRO (mg L⁻¹)	NaCl ^c_In (M)	P^d (bar)	V ^e_A (mL)	V ^f_C (mL)	(mg L⁻¹)	Voltage^h (V)
Exp1-model validation	600	193	0.5, 0.8 and 2.0	1, 2 and 3	115	1,085	357, 1,006 and 2,007	0.6, 0.8 and 1
Exp2-system feasibility	600	193	0.8	P_t	115	1,085	1,007	0.8
Exp3-PRO influent volume	100–2,000	193	0.8	P_t	Obtained from the time-dependent PRO model			0.8
Exp4-NaCl concentration	600	193	0.1–2.0	P_t	Obtained from the time-dependent PRO model			0.8
Exp5-external voltage	600	193	0.8	P_t	115	1,085	1,007	0.5–1.1

ISSN: 2731-3654