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Table 2 Effect of detoxification on organic acid removal

From: Effect of overliming and activated carbon detoxification on inhibitors removal and butanol fermentation of poplar prehydrolysates

Compound name Organic acid removal percentage (%)
Overliming 5.0% AC Overliming + 5.0% AC
Aliphatic acids
Formic acid 8.0 14.0 17.0
Acetic acid 0.0 0.0 0.0
Levulinic acid 5.0 6.0 10.0
Phenolic acids
Benzoic acid 32.2 49.5 68.2
Cinnamic acid 74.7 100.0 100.0
Dihydroxybenzoic acid 14.0 100.0 100.0
Coumaric acid 1.1 100.0 100.0
Vanillic acid 32.6 85.7 93.9
Homovanillic acid 62.1 89.5 100.0
Ferulic acid 60.9 100.0 100.0
Syringylglycolic acid 38.8 100.0 100.0