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Preparation of Compound Bio-flocculants by Using Waste Zymotic Fluid of Glutamic Acid Fermentation as Substrate
Author(s): LI Da-peng, MA Fang, HOU Ning, ZHANG Hui-wen, ZHU Yan-bin, KE Bao-qing
Pages: 78-
82
Year: 2009
Issue:
9
Journal: Journal of Hunan University(Natural Sciences)
Abstract: 考察了产絮菌F2-F6在废水培养基和絮凝剂培养基中生长、产絮和溶解氧的变化情况.研究结果表明: 质量分数为20%的味精废水中补加6 g/L的葡萄糖,无需添加额外的氮源即可作为替代培养基培养产絮菌F2-F6,20 h絮凝率可达95.4%.产絮菌细胞生长和絮凝产物合成对发酵体系中溶解氧的要求存在差异,采用分阶段供氧控制策略,在分别以味精废水和絮凝菌培养基为底物的发酵过程中,需要集中大量供氧时间分别为8...
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