Recycling of an Agricultural Bio-waste as a Novel Cellulose Aerogel: A Green Chemistry Study
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Abstract
Cellulose aerogel (CA) isolated from tea stem wastes (TSW) is a good fire retardant and heat insulator, environmentally friendly, thermally stable and highly porous material with a network structure. These outstanding properties have attracted a huge interest in the materials world. In this study, firstly, following delignification and removing hemicellulose, pure raw cellulose was isolated using TSW, hydrogel form of cellulose was prepared by regeneration of cellulose solution, and then, the final product (CA) was produced via freeze-drying. The data results showed that the aerogel had a three dimensionally network structure. Moreover, it can be deduced that thermal durability of the studied CA could be effective because of its fire retardant and heat insulating property. In addition, the production process of CA is easily available at low cost and sustainable.
Keywords
Cellulose Bio-polymer Hydrogel Aerogel Tea stemNotes
Acknowledgements
The financial support by “Recep Tayyip Erdoğan University Scientific Research Project Council (Project No: FBA-2016-550)” is gratefully acknowledged.
Compliance with Ethical Standards
Conflict of interest
The authors declare that there is no conflict of interest regarding the publication of this paper.
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