Protein Recovery from Sweet Potato Starch Wastewater by Foam Separation

文献类型： 外文期刊

第一作者： Mu, Tai-Hua

作者： Mu, Tai-Hua;Liu, Ying;Zhang, Miao;Sun, Hong-Nan

作者机构：

关键词： enrichment ratio;foam separation;recovery percentage;sweet potato protein

期刊名称：SEPARATION SCIENCE AND TECHNOLOGY （ 影响因子：2.475； 五年影响因子：2.077 ）

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年卷期：

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收录情况： SCI

摘要： In this study, an inclined foam separation column was designed to effectively recover protein from sweet potato starch wastewater. The effects of the influent protein concentration, pH, air flow rate, influent volume, foaming time, and inclined column angle on foam separation performance were assessed. The optimum foam separation conditions consisted of influent protein concentration 4.51 mg/mL, pH 4, air flow rate 0.15 mL/min, influent volume 500 ml, foaming time 100 min, and inclined column angle 30°. In these conditions, protein recovery percentage and enrichment ratios were 84.1% and 1.3, respectively. The biochemical oxygen demand (BOD_5) and chemical oxygen demand (COD_(Cr)) of the residual solution (620 and 950 mg/mL, respectively) were lower than those of the original (influent) solution.

分类号： O65

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