Co-generation of biohydrogen and biochemicals from co-digestion of Chlorella sp. biomass hydrolysate with sugarcane leaf hydrolysate in an integrated circular biorefinery concept

Table 2 Synergistic and antagonistic effects of co-digestion proportions on hydrogen production potential

Run	Experimental P_s (mL-H₂/L_substrate)	Calculated P_s (mL-H₂/L_substrate)	Experimental P_s/calculated P_s ratio^*
1	2239	1299	1.72
2	2032	2251	0.90
3	2454	1130	2.17
4	1219	1742	0.70
5	2455	1130	2.17
6	2471	2251	1.10
7	364	661	0.55
8	3661	1777	2.06
9	1630	1638	1.00
10	216	823	0.26
11	1964	1466	1.34
12	9	9	0.93
13	10	9	1.07
14	1442	1945	0.74
15	2264	1305	1.73
16	1646	1638	1.00
17	366	823	0.44
18	2267	1299	1.74
19	2230	1299	1.72
Optimum proportions	3953	1791	2.32

^*Experimental P_s/calculated P_s ratio < 1; antagonistic effect
^*Experimental P_s/calculated P_s ratio = 1; the substrate work independently from the mixture
^*Experimental P_s/calculated P_s ratio > 1; synergistic effect

ISSN: 2731-3654