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Production of novel bio-flocculants from Klebsiella variicola BF1 using cassava starch wastewater and its application

机译:使用木薯淀粉废水及其应用生产来自Klebsiella Variicola BF1的新型生物絮凝剂及其应用

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摘要

In this study, Klebsiella variicola BF1 that uses cassava starch wastewater to produce flocculants was identified using 16S rDNA gene sequencing. The pure flocculants of strain BF1 could be easily extracted by ethanol precipitation with a high yield of 7.5 g/l. It was mainly composed of 83.1% carbohydrates and 10.6% proteins. The flocculating activity revealed 97.6 +/- 0.6% for kaolin suspension at 12.8 mg/l extracted flocculants from strain BF1 and 2.5 g/l CaCl2. Interestingly, the flocculating activity was 78% without the addition of metal ions. Furthermore, flocculants of strain BF1 can be effectively applied in the treatment of cassava starch wastewater and municipal wastewater.
机译:在该研究中,使用16S RDNA基因测序鉴定使用木薯淀粉废水产生絮凝剂的Klebsiella variicola bf1。 菌株BF1的纯絮凝剂可以通过乙醇沉淀容易地提取,高产率为7.5g / l。 它主要由83.1%的碳水化合物和10.6%蛋白质组成。 絮凝活性显示出从菌株BF1和2.5g / L CaCl 2的12.8mg / L萃取的絮凝剂的高岭土悬浮液中的97.6 +/- 0.6%。 有趣的是,絮凝活性为78%,无需添加金属离子。 此外,可以有效地应用菌株BF1的絮凝剂在木薯淀粉废水和市政废水的处理中。

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