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固定化细胞磁场流化床反应器连续生产乙醇的研究
Authors
徐书明
李强亮
欧阳藩
程琳娜
Publication date
1 January 1990
Publisher
Abstract
本文用海藻酸钠—Mn—Zn 铁氧体磁粉包埋酵母,在有效总容积为3.5升的三层磁场流化床反应器系统中,实现了由糖蜜为原料发酵生产酒精,连续运转了28天。实验结果表明:发酵底物糖的浓度为154.6(g·1~(-1)),停留时间2.67hr,糖转化率达96.4%,流出乙醇浓度为51.6(g·1~(-1)),生产能力为19.32(g·1~(-1)·hr~(-1))。该体系宏观发酵动力学测定为:r=r_(max) S/(K_m~(app)+S)·(1-P/(Pm))r 是反应速度,S 为糖浓度,P 为乙醇浓度
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Last time updated on 09/11/2016