| Issue |
E3S Web Conf.
Volume 514, 2024
2024 10th International Conference on Environment and Renewable Energy (ICERE 2024)
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 12 | |
| Section | Solid Waste Management and Waste Utilization | |
| DOI | https://doi.org/10.1051/e3sconf/202451402003 | |
| Published online | 11 April 2024 | |
Production of bio-based paper coating made with the addition of eggshell powder
University of Sopron, 4 Bajcsy Zs. str. Sopron, 9400 Hungary
* Corresponding author: koczan.zsofia@uni-sopron.hu
A chitosan based coating was prepared where eggshell powder was added. Eggshell is a product that appears in large numbers in everyday life, so it has great potential as waste, which can be used to turn it into a valuable material. Cellulose sheets were made from secondary fiber, and after coated with the chitosan based solution to investigate the properties of the sheets. The results of the treated handsheets were compared with the results of the control sheet. The control sheets were compared with 4 different type of paper: coatings of chitosan with 5wt% and 10wt% eggshell powder, only chitosan coating, and paper where eggshell powder was added to the paper pulp. The use of the eggshell powder as an additive in the coating would be a promising material, because it can improve in a large extent the water resistance and the air barrier properties of the paper.
© The Authors, published by EDP Sciences, 2024
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