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Table 6 Hydrogen yield and production from acid-treated Biofilm #52 prehydrolysate

From: Applications of microalgal biofilms for wastewater treatment and bioenergy production

Acid-treated biofilm prehydrolysate concentration (%) Hydrogen production, (mmol/L) Total sugar concentrations (g/L) Acetic acid concentration (g/L) Hydrogen yield, (mol of H2/mol of reduced sugar)
10 30.26 4.3 0.035 1.81
20 0.42 8.6 0.0539 0.075
30 0.39 12.9 0.085 0.070
40 Nil 17.2 0.076 Nil