Table 9.

Hydrogen yields of different substrates.

Adapted from Li and Fang [141], Davila-Vazquez et al. [158]

Substrate	Strain	Hydrogen yield	References
Sucrose	Clostridium butyricum CGS5	2.78 [mol H2 mol−1 substrate]	[159]
Glucose	Escherichia coli strains	2 [mol H2 mol−1 substrate]	[162]
Glucose	Thermotoga neapolitana	1.6 [mol H2 mol−1 substrate]	[155]
Molasses	Thermotoga neapolitana	2.6 [mol H2 mol−1 substrate]	[155]
Rice straw	Thermotoga neapolitana	2.7 [mol H2 mol−1 substrate]	[156]
Cheese whey	Thermotoga neapolitana	2.4 [mol H2 mol−1 substrate]	[155]
Cheese whey	Clostridium saccharoperbutylacetonicum ATCC 27021	2.7 [mol H2 mol−1 substrate]	[161]
Starch	Mesophilic bacterium HN001	2 [mol H2 mol−1 substrate]	[163]
Starch	Mixed culture from compost	133 [ml H2 g−1 hexose]	[166]
Cellulose	Mixed culture from sludge	92 [ml H2 g−1 hexose]	[164]
Mixed waste	Mixed culture from anaerobic digestion sludge	201 [ml H2 g−1 hexose]	[168]
Food waste	Mixed culture from anaerobic digestion sludge	210 [ml H2 g−1 hexose]	[167]
Acetate	Rhodopseudomonas palustris WP3-5 in Photobioreactor	62.3 [mol H2 mol−1 substrate]	[120]
Rice husk	Clostridium butyricum CGS5	17.24 [mmol H2 g−1 cellulose]	[160]