Skip to main content

Table 3 Final concentrations of inhibitory substances in SSF experiments with 1% w/w cellulose

From: Two-stage steam explosion pretreatment of softwood with 2-naphthol as carbocation scavenger

2-Naphthol (mol/mol C9)

Concentration (g/l)

Acetic acid

HMF

Furfural

2-Naphthol

Washed solids

0 (control)

0

0

0

0

0.051

0

0

0

0.013

0.103

0

0

0

0.026

0.205

0

0

0

0.067

Filtered solids

0 (control)

0.123

0.200

0.021

0

0.051

0.107

0.175

0.021

0.017

0.103

0.110

0.188

0.017

0.027

0.205

0.108

0.179

0.017

0.072

Whole slurry

0 (control)

0.244

0.395

0.042

0

0.051

0.233

0.380

0.046

0.017

0.103

0.244

0.416

0.037

0.030

0.205

0.236

0.393

0.037

0.076

  1. 2-Naphthol was quantified after extraction of the whole fermentation slurry with chloroform