Research Papers by Ola Wallberg

Climate change and endeavours towards a sustainable society have brought the interest of wood-based biorefineries to the fore. Lignin is the main energy carrier in chemical pulp mills. Today, the heat value of lignin is commonly recovered in the recovery boiler of the mill. However, interest in the

The transmembrane pressure and the temperature have a marked effect on the retention of lignin and hemicelluloses during ultrafiltration of kraft black liquor. The difference in retention was used to separate lignin and hemicelluloses.