Yields of biohydrogen based on experiments' results .
|Substrate||Method Operation Mode||Bacteria Microalgae||Conditions||Biohydrogen Production|
|–||Two step Biophotolysis||Chlamydomonas reinhardtii D239-40||Light intensity 70 µmol photons/(m2*s) from 2 sides pH 7.5–7.7, 168 h of production||490 ml/L|
|Crude glycerol||Two step Biophotolysis||Chlorella sp.||pH 6.8, light intensity 48 µmol photons/(m2 * s), sulfur conditions||11.65 ml/L|
|–||Direct Biophotolysis||Desertifilium sp. IPPAS B-1220||Argon for anaerobic conditions, light intensity 30 µmol photons/(m2*s), shaking at 150 rpm, DCMU addition||Maximum production rate after 48 h was 0.348 µmol/(mg Chl h)|
|Acetate||Photo-fermentation||Mixed photosynthetic consortium||Acidophilic conditions, argon for anaerobic conditions, 34 °C, agitation at 100 rpm, light intensity of 14000 lux presence of MSG and vitamins||The optimal conditions were studied and not the actual H2 production value|
|Acetate||Photofermentation||Mixed photosynthetic consortium||Neutral pH, 30 °C, light intensity 10.25 W/m2,||143.56 ml/L|
|Acetate||Photofermentation, fed batch in pilot scale tubular photobioreactor (80L)||Rhodobacter capsulatus||Outdoor conditions, mesophilic temperature, pH 8 maintained into a greenhouse, nitrogen, and argon for anaerobic condition, combined artificial and natural light illumination, 30-day process||0.31 mol/(m3 s)|
|Acetate||Batch photofermentation||Rhodobacter capsulatus DSM1710||pH 6.4, 30 °C, argon for anaerobic conditions, light intensity 263.6 W/m2 sodium glutamate as nitrogen source||1.04 mmol/(L h)|
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