Influence of the flocculating agent in sedimentation and performance of a non flocculent strain of Zymomonas mobilis in the ethanol production process.

F P Puget, M R Halasz, G Massarani, T L Alves
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引用次数: 6

Abstract

The influence of the flocculating agent was studied in the performance (measured by microbial growth and ethanol production) of a non flocculent strain of Zymomonas mobilis, as well as the potentiality of the sedimentation process in the separation of the biomass from the fermentation broth. Among the flocculating agents studied, it was verified that both tannin and the polyelectrolyte yielded good results with regard to cellular performance. However, with regard to sedimentation tannin is more adequate to be used in processes involving Zymomonas mobilis.

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絮凝剂对乙醇生产过程中沉降及非絮凝性活动单胞菌性能的影响。
研究了絮凝剂对一株不絮凝的运动单胞菌的性能(通过微生物生长和乙醇产量来衡量)的影响,以及沉淀工艺在从发酵液中分离生物质中的潜力。在所研究的絮凝剂中,证实了单宁和聚电解质在细胞性能方面都有良好的效果。然而,就沉淀而言,单宁更适合用于涉及活动单胞菌的过程。
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