Overarching goal of the project IEA IETS TCP Annex 17 is to ensure the optimized use of lignocellulose material in a biorefinery concept by energy- and cost-efficient separation technologies. The pulp- and paper industry serves as backbone in the biorefinery approach, not only because of the usage of wood as feedstock but because of high production volumes. In Austria, this industrial sector belongs to the energy-intensive industries; it is second in the rankings of the final energy consumption. The biorefinery approach aims the highest possible value creation in means of down cycle raw material utilization. Membrane separation processes combine the advantage of material usage of the components by partly selective separation mechanisms with energy efficiency measures. Of great interest are emerging membrane processes such as forward osmosis (FO), membrane distillation (MD), pervaporation (PV) and liquid membrane permeation (LMP). In this project particular attention is paid to MD and LMP for the treatment of different process streams. Subject of the R&D service is the cooperation with Annex 17 and the management of one subtask. In addition to the technological objective, the project IEA IETS TCP Annex 17 will strengthen the network of the Austrian membrane and biorefinery research landscape. Additionally, through the exchange with the international team from Annex 17, the utilization of lignocellulose-containing material in biorefineries by means of energy-efficient and costefficient separation technologies is optimized. Within the framework of the subtasks A-F various energy-efficient membrane processes are evaluated, optimized and integrated as well as strategies for the utilization of biomass components are developed. The technological objective is to achieve maximum dry substance content in the treated process streams, while minimizing fouling by optimally setting the process parameters as well as a suitable cleaning strategy. With the use of membrane separation processes and the integration of industrial waste heat, a sustainable path of the utilization of waste materials / waste streams and the reduction of the water demand is to be demonstrated. The Austrian contribution develops guidelines for the use of emerging membrane separation technologies in biorefineries based on a waste/process water streams from the paper and pulp factory.
|Effective start/end date||1/11/17 → 31/10/21|
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