lignin solubility in NaOH ?

pk09 pk09 at
Thu Nov 12 08:25:38 EST 1998

We are a group of bioproces engineering students at the Wageningen
Agriculture University,

We are designing a bio-ethanol plant.
The substrate is corn-biomass.
In the pre-treatment before the fermentation we need to seperate the
cellulose, hemicellulose and the lignin.

We want to extract the lignin from the feed with NaOH,
Our problem: What is the solubility of lignin in NaOH (alkali) ??

thanks in advance

Joris Dhont

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