Skip to main content

Table 1 Effects of resin quantity on the final product yield

From: Biobutanol production in a Clostridium acetobutylicum biofilm reactor integrated with simultaneous product recovery by adsorption

Resin Butanol (g/L) Butyric acid (g/L) Acetic acid (g/L) Acetoin (g/L) Acetone (g/L)
Amount (g/L) Timea(h) Aqueous Adsorbed Total Aqueous Adsorbed Total
0 0 to 80 11.8   11.8    0.29 0.66 1.81 4.63
40 0 to 70 6.87 4.42 11.3 0.50 0.37 0.87 0.81 2.22 3.82
50 0 to 60 6.25 4.76 11.0 0.77 0.46 1.23 1.28 3.61 2.02
40 to 65 6.42 5.09 11.5 0.35 0.29 0.64 0.79 3.44 2.58
60 0 to 45 5.11 4.62 9.73 0.98 0.94 1.93 1.51 3.83 1.90
40 to 60 5.55 4.81 10.4 0.58 0.54 1.12 0.77 3.20 2.92
80 0 to 45 2.51 5.31 7.81 1.26 2.27 3.53 1.93 3.09 1.78
  1. aFrom the time the resin was added to the time the fermentation ended. For example, 40 to 65 means that resin was added to the culture at 40 h and the fermentation ended at 65 h. Data for ethanol are not shown. The experiments were performed in triplicate, and the mean value was calculated.