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KTH

Preparation and use of lignocellulose nanomaterials in energy storage devices

Cellulose nanomaterials (CNs) obtained from fully-bleached (lignin-free) chemical fibers, such as cellulose nanoparticles (CNPs), cellulose nanofibers (CNFs), microfibrillated cellulose (MFC) have been a topic of extensive research during last decades since they constitute a biodegradable, renewable and naturally abundant resource with an important scientific and technological potential. However, the bleaching process is an energy-intensive process […]

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Efficient Washing of Paper grade pulp in the kraft process

The project contributes to strengthened Swedish competitiveness through its expected research results and new fundamental knowledge for the development of an efficient pulp washing process and thus through an increased pace of innovation in the transition to a circular economy. After pulping the wood chips, the resulting pulp fibres and cooking liquor are separated in a

Efficient Washing of Paper grade pulp in the kraft process Läs mer »

SISTERS

KTH is taking part in the EU funded Horizon 2020 project SISTERS. SISTERS aims to reduce food loss and food waste in the main different stages of the Food Value Chain in Europe through innovations targeted to each link of the value chain: new tools to primary producers for promoting direct and Short Chain sales

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Structure, Dynamics and Interactions of Nanofibres in Dilute Hydrodynamically Forced Systems

The ever increasing threat from climate change has spurred the demand for innovative, sustainable materials that could reduce our dependence on fossil fuels. Dispersions of cellulose nanofibrils (CNFs), derived from wood, can be spun into filaments that exhibit favourable mechanical properties. However, the structure, dynamics and interactions of the CNFs during the spinning process, which

Structure, Dynamics and Interactions of Nanofibres in Dilute Hydrodynamically Forced Systems Läs mer »

Mechanical aspects of bio based composites

The work consists of understanding the mechanical aspects of novel bio-based composites by exploring microstructures, weak interfaces, anisotropy, and lamella thickness. My current projects are (i) in situ mechanical tests with Deben microtester and scanning electron microscopes on a thin layer of montmorillonite clay on hydroxyethylcellulose films to investigate interfacial (adhesion) properties between the constituents,

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Deformation and fracture mechanisms of wood and wood polymer biocomposites

The main objective of this project is to study the deformation and fracture mechanisms of wood and polymer impregnated wood biocomposites, characterize the mechanical properties and relate them to structural differences. In this project, strain and deformation fields are measured, during mechanical loading, using digital image correlation which is useful for material comparison, also to

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Molecular Basis of the Interactions and Recalcitrance of Lignocellulosic Biomass

Lignocellulosic biomass represents the main renewable resource from the biosphere for the production of biofuels, platform chemicals and bio-based materials. Lignocellulose consists of a complex polymeric network of cellulose microfibrils embedded in a matrix of hemicelluloses, pectins, and lignins with exquisite organization from the nano- to the microscale. However, the heterogeneity of the lignocellulose polymeric

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The kinetics of lignin extraction in oxygen delignification.

The current and future environmental challenges call for improved and more sustainable processes in the pulp industry. To contribute to a sustainable and competitive Swedish bioeconomy the pulp industry needs to increase efficiency without increasing the use of hazardous chemicals. Oxygen delignification is a unit process that has been used in pulp mill fiberlines between

The kinetics of lignin extraction in oxygen delignification. Läs mer »

BioUPGRADE – Biocatalytic upgrading of natural biopolymers for reassembly as multipurpose materials

BioUPGRADE unites expertise in functional genomics and material science to deliver breakthrough biotechnologies that sustainably upgrade nature’s main structural biopolymers into high-value and multipurpose materials.Living organisms drive our planetary carbon cycle via biocatalysts that transform CO2 into an enormous array of diverse and functional molecules. A significant fraction of this carbon is transformed into structural

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Functional lignin nanomaterials

This is a umbrella theme of research carried out in Sustainable Materials Chemistry (SUSMATCHEM) research group in Stockholm University. We aim to make most out of lignin with minimal processing and chemical modification according to the principles of green chemistry. In addition to fundamental studies of structure and properties of lignin and lignin nanoparticles, we

Functional lignin nanomaterials Läs mer »

Om Treesearch

Treesearch har som syfte att skapa en nationell plattform för att stödja forskning. Forskningsprojekt som bedrivs inom Treesearch forskningsområden och de forskare som är aktiva i dessa projekt är välkomna att ansluta till plattformen.

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100 44 Stockholm 

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