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Table 2 Production H2 and CH4 yields from Chlorella vulgaris and Dunaliella tertiolecta biomass after 49 days of incubation

From: Biogenic hydrogen and methane production from Chlorella vulgaris and Dunaliella tertiolectabiomass

  mmol xaper l mmol xaper g volatile solids mmol xaper g added CODtot mmol xaper g removed CODtot
CH4     
C. vulgaris and U-C 59.6 11.9 5.8 11.3
C. vulgaris and B-C 0 0 0 0
D. tertiolecta and U-D 5.1 1.0 2.1 3.6
D. tertiolecta and B-D 0 0 0 0
H2     
C. vulgaris and no inoculum 2.3 0.45 0.23 1.7
C. vulgaris, BESA and no inoculum 1.6 0.33 0.15 -b
D. tertiolecta and no inoculum 2.6 0.52 1.6 21.1
D. tertiolecta, BESA and no inoculum 1.7 0.35 0.42 4.0
  1. aWhere x is CH4 or H2, as indicated.bH2 yield per g removed CODtot could not be calculated as no CODtot reduction was detected.
  2. BESA = 2-bromoethanesulfonic acid; CODtot = total chemical oxygen demand.