Study on the Preparation of Activated Carbons with Baijiu Vinasse

Abstract:

Activated carbons were prepared with Baijiu vinasse in this study. The response surface method was used to optimize the process parameters of NaOH solution boiling treatment to extract the protein in Baijiu vinasse. Ascertaining the optimum conditions that NaOH solution concentration is 2.5mol/L, treating time is 2hours and solid-liquid ratio is 1:4. So the protein retention rate is 1.116%.The methods of ZnCl₂ chemical activation and high temperature calcination activation were used to prepare activated carbons. Under the optimum conditions of ZnCl₂ concentration 50%, solid-liquid ratio 1:2, calcination time 120min, calcination temperature 600°C, the methylene blue adsorption reaches to 208mg/g.

• Periodical: Applied Mechanics and Materials (Volumes 448-453)
• Pages: 669-673
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.448-453.669
• Online since: October 2013
• Authors: Ling Lin Chen, Hua Zhao
• Keywords: Activated Carbons, Baijiu Vinasse, NaOH Solution, ZnCl₂ Activation

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