Tribocorrosion performance of cellulose bio-base hydraulics fluids and their application in wave energy converters.
Offshore wave energy converters (WECs) rely on different mechanical sub-systems such as hydraulic cylinders, joints, hinges, cables, gears and bearings to convert and transmit the kinematic energy transported by the waves and tides into mechanical usable energy. In order to comply with the increasing environmental regulations, and protect the mechanical moving components exposed to the […]
Magnetic nanopaper
This project is focused on production and development of magnetic nanopaper with ferrimagnetic properties. Cellulose nanofibrils (CNFs) are used as a stiff and strong matrix of natural origin, while ferrimagnatic nanoparticles of SrFe12O19 are added to bring in the functionality. Nanopaper is prepared by spray coating technique which is simple to handle and to upscale. […]
3D nanotomography of wood fibres
Typically imaging of wood cells by 3D nanotomography is performed with the help of TEM or cryo TEM. To get a proper transmission signal, samples should be cut down to 100 nm thickness or even less. In this project we want to avoid extreme sectioning of wood pieces where observation area includes only a part […]
Fundamentals of nanoscale assembly of cellulose nanofiber
I am interested in fundamentals of cellulose nanofibers (CNF) and cellulose nanocrystals (CNC) in dilute, semi-dilute, and crowded environment. Specifically, for CNFs, semi-flexibility of fibers and its effect on nano-scale dynamics is a key aspect of my project. At the moment, combining simulations with experiments (X-ray photon correlation spectroscopy) is the strategy to proceed the […]
Hybrid Glycoproteins from Wheat Bran as Platform Materials
Vetekli är det yttre skiktet som omger kornens frövita och utgör den huvudsakliga biprodukten från vetemalningsprocessen och står för cirka 300 000 ton per år i Sverige. Vetekli används för närvarande nästan uteslutande industriellt som djurfoder på grund av lågt organoleptiskt värde och näringsvärde för mänsklig konsumtion. Vetekli innehåller emellertid en stor andel värdefulla biomolekyler […]
Structural Modification Softwood Pulp Cell Wall Under Extreme Pressure Conditions
The ability to modify the structure of the wood-pulp fibre cell wall structure is an attractive means to obtain increased accessibility to the fibre interior and enable functionalization such as controlled drug delivery, interpenetrated networks, and selective removal of metal ions from aqueous mixtures just to mention a few examples. By changing the physical state […]
Mechanical behavior of all-lignocellulose composites
In this study, we investigated property differences and failure mechanisms of hot-pressed, binder-free wood fiber composites. Random-in-plane microfibrillated lignocellulose (MFLC) composites showed better mechanical properties than microscale wood fibers WF due to stronger strain-hardening from lower porosity and better interfibrillar adhesion, provided by the intrinsic lignin-hemicellulose binder. Axially oriented wood fiber composites (O-WF) reached comparable […]
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 […]
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 […]
EcinRaw – Electroactive carbon fibers for intelligent recycling of raw materials
The project aims to improve the current wastewater treatment methods by innovative strategies to handle metal-containing water streams, for efficient recovery of critical raw materials (CRM). https://www.vinnova.se/en/p/electroactive-carbon-fibers-for-intelligent-recycling-of-raw-materials/
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 […]
Characterisation and effects of micro- and nanoscale components and their impact on efficiency of chemical additives
The project’s focus is on developing a methodology that will provide new knowledge and processcontrol capabilities concerning nano- and microscale fibrillar wood-pulp material in thepapermaking process.
