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The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...

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表面活性剂介导的微藻花:过程效率和动态建模

Carolina Maia1,2, Vânia Pôjo1,2, Tânia Tavares1,2

  • 1LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.

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概括

乙三甲基化物 (CTAB) 显著提高了微藻收获效率,减少了加工时间和成本. 这种表面活性剂显示出可持续的大规模微藻生产的前景,特别是在生物柴油应用中.

关键词:
泰特拉塞尔米斯 (Tetraselmis sp.) 是一种植物.发花过程中的花.重力沉积沉积的重力沉积.收获动力学 收获动力学微藻收获 微藻收获表面活性剂是一种表面活性剂.

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科学领域:

  • 生物技术是生物技术.
  • 化学工程是化学工程的重要组成部分.
  • 海洋生物学 海洋生物学

背景情况:

  • 微藻提供了宝贵的资源,如脂质和蛋白质,但大规模收获仍然是一个重大挑战.
  • 目前的收获方法往往缺乏成本效益和经过验证的效率.
  • flokculation 呈现出一种节能替代方案,表面活性剂的整合可能会增强收获和细胞破坏.

研究的目的:

  • 评估不同表面活性剂 (CTAB,DTAB,SDS) 对收获Tetraselmis sp.的疗效. 微藻 微藻是一种微藻.
  • 评估表面活性剂对收获效率和沉积时间的影响.
  • 用修改后的戈珀茨模型研究微藻收获过程的动力学.

主要方法:

  • 研究的三种表面活性剂是:乙三甲基化物 (CTAB),二甲三甲基化物 (DTAB) 和二甲硫酸 (SDS).
  • 在Tetraselmis sp.上测试的表面活性剂. 菌株 (75LG和46NLG) 来确定收获效率和最佳度.
  • 分析了采摘动力学,使用修改后的Gompertz模型来确定工艺速度.

主要成果:

  • 乙烯基三甲基化 (CTAB) 显示出优异的收获效率,达到88%的Tetraselmis sp. 75LG和46NLG的菌株. 这种菌株是75LG和46NLG.
  • 最佳的CTAB度 (1500和2000毫克L-1) 显著减少了沉时间至60分钟.
  • 修改后的Gompertz模型最好地描述了收获动力学,CTAB产生了最大的动力常数.

结论:

  • CTAB是一种高效的表面活性剂,可提高微藻收获效率并缩短操作时间.
  • 使用CTAB显示了优化微藻采集流程的潜力,以实现经济高效的大规模生产.
  • 纳入CTAB的进一步研究可能会为生物柴油生产等应用释放微藻的商业可行性.