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Utilizing spent yeast for tannin adsorption in chestnut shell treatment solutions
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Orientador(es)
Resumo(s)
This study evaluated the use of brewer’s spent yeast (BSY) as an adsorbent for tannins from a chestnut shell extract (CS tannin extract). This extract was derived from an alkaline treatment (5% NaOH (v/v)) to recover cellulosic material from chestnut shells and needed valorization. Various BSY treatments, including lyophilization, immobilization in calcium alginate beads, and alkaline and acid treatments, were tested to identify which had the best tannin adsorption capacity. The results highlight BSY’s potential as a system to valorize tannins from this treatment solution.
Descrição
Palavras-chave
Brewer’s spent yeast Chestnut shells Tannin extract Lyophilization Alginate immobilization Acid treatment Alkaline treatment Equilibrium assay Kinetics assay
Contexto Educativo
Citação
Vieira, E. F., Amaral, T., Ferraz, R., & Delerue-Matos, C. (2025). Utilizing Spent Yeast for Tannin Adsorption in Chestnut Shell Treatment Solutions. Engineering Proceedings - 5th International Electronic Conference on Applied Sciences, 87(1), 21. https://doi.org/10.3390/engproc2025087021
Editora
MDPI