Birgit Kamm
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View article: Mechanochemical Tailoring of Lignin Structure: Influence of Different Particle Sizes in the Organosolv Process
Mechanochemical Tailoring of Lignin Structure: Influence of Different Particle Sizes in the Organosolv Process Open
The autocatalyzed ethanolic organosolv process is gaining increasing attention for the sulfur‐free isolation of lignin, which is subsequently used as a renewable substitute for various fossil‐based applications. For the first time, the mec…
View article: Development of a consolidated heterogeneous catalytic process for the selective oxidation of carbohydrate‐derived 5‐(hydroxymethyl)furfural for the industrial upscaling of 2,5‐diformylfuran
Development of a consolidated heterogeneous catalytic process for the selective oxidation of carbohydrate‐derived 5‐(hydroxymethyl)furfural for the industrial upscaling of 2,5‐diformylfuran Open
Selective oxidation of 5‐(hydroxymethyl)furfural (HMF) to 2,5‐diformylfuran (DFF) is an important approach for biobased compound valorization through biorefinery. As there is no large‐scale process for this application yet, it is of high i…
View article: Environmentally Friendly Extraction from Picea Abies Bark as an Approach to Accessing Valuable Antioxidants in Biorefineries
Environmentally Friendly Extraction from Picea Abies Bark as an Approach to Accessing Valuable Antioxidants in Biorefineries Open
Every year, the pulp and wood-processing industry produces large side streams of bark, the valorisation of which is desirable for both economic and environmental reasons. We investigated organosolv extraction of antioxidants from Picea abi…
View article: Novel Synthetic Strategy for the Production of Fully Bio‐Based Binders Using 2,5‐Diformylfuran
Novel Synthetic Strategy for the Production of Fully Bio‐Based Binders Using 2,5‐Diformylfuran Open
In this work, resol based binders were prepared with lignin, resorcinol and the bio‐based aldehydic platform chemicals 5‐hydroxymethylfurfural (HMF) and 2,5‐diformylfuran (DFF). In preliminary studies, the solubility and stability of DFF i…
View article: Efficient and Selective Aerobic Oxidation of 5‐hydroxymethylfurfural to 2,5‐diformylfuran at Moderate Reaction Conditions with Design of Experiments Approach
Efficient and Selective Aerobic Oxidation of 5‐hydroxymethylfurfural to 2,5‐diformylfuran at Moderate Reaction Conditions with Design of Experiments Approach Open
Heterogeneous catalytic oxidation of 5‐hydroxymethylfurfural (HMF) with molecular oxygen to 2,5‐diformylfuran (DFF) was performed on aluminium oxide‐supported ruthenium catalysts (Ru/Al 2 O 3 ). The ruthenium catalysts were analyzed by pH …
View article: Depolymerisation of kraft lignin to obtain high value-added products: antioxidants and UV absorbers
Depolymerisation of kraft lignin to obtain high value-added products: antioxidants and UV absorbers Open
This study demonstrates that bio-based products of lignin depolymerisation can potentially replace common antioxidants and UV absorbers in the plastics and cosmetics industries. The kraft lignin Indulin AT was used to obtain low-MW lignin …
View article: Investigation of Selective Extraction of Phenolic Compounds and of Saccharides From Picea Abies Bark Using Organosolv Solvents
Investigation of Selective Extraction of Phenolic Compounds and of Saccharides From Picea Abies Bark Using Organosolv Solvents Open
Enormous quantities of softwood and hardwood tree bark are generated yearly in the pulp and woodworking industry. Chemical compounds which can be found in bark extracts have important biological properties and therefore a high potential fo…
View article: Homogeneously catalyzed depolymerization of lignin from organosolv medium: Characterization, optimization, and minimization of coke formation
Homogeneously catalyzed depolymerization of lignin from organosolv medium: Characterization, optimization, and minimization of coke formation Open
This study focused on maximizing yields of oligomeric and monomeric products while minimizing coke formation in the depolymerization of lignin from an organosolv medium. A design of experiments (DoE) with temperature, time, and ethanol‐wat…
View article: Polycondensation of kraft-lignin toward value-added biomaterials: carbon aerogels
Polycondensation of kraft-lignin toward value-added biomaterials: carbon aerogels Open
Carbon aerogels are versatile materials for value-added applications such as supercapacitors, insulation materials, and super absorbers. In this work, a way to produce carbon aerogels from kraft lignin which is an abundant waste product fr…
View article: Sustainable aerogels derived from bio-based 2,5-diformylfuran and depolymerization products of lignin
Sustainable aerogels derived from bio-based 2,5-diformylfuran and depolymerization products of lignin Open
2,5-diformylfuran (DFF) is a promising green platform chemical obtainable by selective oxidation of 5-(hydroxymethyl)furfural (HMF). In this work, high-purity DFF was synthesized from HMF and compared to formaldehyde (F) in terms of suitab…
View article: Antimicrobial Activity of Lignin and Lignin-Derived Cellulose and Chitosan Composites against Selected Pathogenic and Spoilage Microorganisms
Antimicrobial Activity of Lignin and Lignin-Derived Cellulose and Chitosan Composites against Selected Pathogenic and Spoilage Microorganisms Open
The antiradical and antimicrobial activity of lignin and lignin-based films are both of great interest for applications such as food packaging additives. The polyphenolic structure of lignin in addition to the presence of O-containing func…
View article: Antimicrobial Activity of Lignin and Lignin-Derived Cellulose and Chitosan Composites Against Selected Pathogenic and Spoilage Microorganisms
Antimicrobial Activity of Lignin and Lignin-Derived Cellulose and Chitosan Composites Against Selected Pathogenic and Spoilage Microorganisms Open
The antiradical and antimicrobial activity of lignin and lignin-based films are both of great interest for applications such as food packaging additives. The polyphenolic structure of lignin in addition to the presence of O-containing func…
View article: Lignocellulosic Biomass as Source for Lignin-Based Environmentally Benign Antioxidants
Lignocellulosic Biomass as Source for Lignin-Based Environmentally Benign Antioxidants Open
Antioxidant activity is an essential aspect of oxygen-sensitive merchandise and goods, such as food and corresponding packaging, cosmetics, and biomedicine. Technical lignin has not yet been applied as a natural antioxidant, mainly due to …
View article: Lignocellulosic Biomass as Source for Lignin-Based Environmentally Benign Antioxidants
Lignocellulosic Biomass as Source for Lignin-Based Environmentally Benign Antioxidants Open
Antioxidant activity is an essential feature required for oxygen-sensitive merchandise and goods, such as food and corresponding packaging as well as materials used in cosmetics and biomedicine. For example, vanillin, one of the most promi…
View article: Lignin-Derived Biomaterials for Drug Release and Tissue Engineering
Lignin-Derived Biomaterials for Drug Release and Tissue Engineering Open
Renewable resources are gaining increasing interest as a source for environmentally benign biomaterials, such as drug encapsulation/release compounds, and scaffolds for tissue engineering in regenerative medicine. Being the second largest …
View article: Lignin-Derived Biomaterials for Drug Release and Tissue Engineering
Lignin-Derived Biomaterials for Drug Release and Tissue Engineering Open
Renewable resources gain increasing interest as source for environmentally benign biomaterials, such as drug encapsulation/release compounds, and scaffolds for tissue engineering in regenerative medicine. Being the second largest naturally…
View article: Biophotonic Combined Energy System (BCES)
Biophotonic Combined Energy System (BCES) Open
A comprehensive outline of a new approach in closed loop processing for energy utilisation and biomass genera tion using micro algae for electricity, heat and chemicals is presented - the Biophotonic Combined Energy System (BCES). The basi…
View article: Pre-treatment and extraction techniques for recovery of added value compounds from wastes throughout the agri-food chain
Pre-treatment and extraction techniques for recovery of added value compounds from wastes throughout the agri-food chain Open
The enormous quantity of food wastes discarded annually forces a look into alternatives for this interesting feedstock.