Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
© Sven Döring
Organosolv-Lignin nach Fällung und Filtration auf der Filterpresse.

© Sven Döring

Lignin added value

In order to operate sustainable and economic biorefineries, the conversion of lignin into high-quality products is essential.

Based on this motivation, various processes for the modification and depolymerization of lignin are examined and scaled, which maintain or increase the structure and functionality of lignin. In this way, new, previously inaccessible aromatic structures with new functionalities and thus a new range of services are identified that can be used in a variety of industrial applications.

Reference projects

 

© Fraunhofer CBP

September 2022 – August 2023

KoBaOx

A project that combines base-catalyzed and oxidative depolymerization of lignin

The aim of KoBaOx is to develop a process for the sequential combination of base-catalyzed lignin polymerization (BCD) and alkaline oxidation with hydrogen peroxide for the production of novel carboxylated lignin derivatives that can find application in, for example, thermoplastics.

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ALIGN – Biobased Aromatics from LIGNin

The aim of the project is to convert lignin into high-quality aromatic products with new functionalities and thus a new range of application areas. For this purpose, different processes for the extraction and depolymerization of lignin are investigated and scaled up, which preserve the structure and functionality of lignin.

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KomBiChemPro – Fine and platform chemicals from wood

The aim of the joint project was to combine various activities for the material use of lignocellulose containing biomass in an integrated biorefinery concept. The most important aspect was the production of marketable and competitive products using robust processes and efficient process management.

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Lignoplast – Building blocks from lignin

In this project, processes for the use of lignin as a raw material for polymers were investigated. The required aromatic compounds were obtained by means of hydrolytic degradation of lignin macromolecules  and then functionalized chemically and enzymatically to make adhesives, paints, polyurethanes and epoxides.

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