Repolymerisation of Lignins extracted from wood pulps through Enzymatic Modification to Establish Viable Valorisation Routes by Chanté Mirri du Toit Thesis presented in partial fulfilment of the requirements for the Degree of MASTER OF ENGINEERING (CHEMICAL ENGINEERING) In the Faculty of Engineering at Stellenbosch University Supervisor Prof. JF Görgens Co-supervisor Dr L. Tyhoda March 2021