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低溶气压力下微藻细胞的气浮法采收
Authors
丛威
曾文炉
+4 more
李宝华
欧阳藩
石红
蔡昭铃
Publication date
1 January 2002
Publisher
Abstract
从理论和实验两方面探讨了通过添加微量表面活性剂以实现在较低溶气压力下进行微藻气浮采收的可行性。结果表明:添加适量的非离子型表面活性剂Tween 20可降低待分离体系的表面张力,改善微气泡的质量,在较低溶气压力下(≤0.25MPa)可获得良好的采收效果。无论是批式过程还是连续操作,当溶气水中含有浓度为100mg/kg的Tween 20时,采收性能都得到较大改善
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Last time updated on 05/12/2019