维纳斯:从残留物变成高附加值的生物聚合物
Daiana V Trapé1,2, Olivia V López1,3, Marcelo A Villar4,5
1Planta Piloto de Ingeniería Química, PLAPIQUI (UNS-CONICET), Camino La Carrindanga Km. 7, 8000, Bahía Blanca, Argentina.
Bioresources and bioprocessing
|April 23, 2024
概括
这项研究表明,使用Bacillus megaterium,可以使用维纳斯来生产聚酸酸 (PHB) 生物聚合物. 优化发酵条件显著提高了PHB生产率,提供了一种可行的方法来利用这种生物乙醇副产品.
科学领域:
- 生物技术是生物技术.
- 微生物生产 微生物生产
- 生物聚合物合成的方法
背景情况:
- 生物乙醇生产的副产品维纳斯 (Vinasse) 面临着处置方面的挑战.
- 聚乙酸 (PHB) 是一种具有多种应用的可生物降解聚合物.
- 对维纳斯等工业副产品的价值化对于可持续实践至关重要.
研究的目的:
- 调查使用维纳斯作为聚基酸盐 (PHB) 生产基材的可行性.
- 优化培养基成分和发酵条件,以提高PHB产量.
- 评估维纳斯特性对生物聚合物生产效率的影响.
主要方法:
- 用于合成聚基酸盐 (PHB) 的Bacillus megaterium.
- 采用了Box-Behnken设计,以优化碳,和的度.
- 进行了进一步的实验,以优化C/N比率,发酵时间和温度.
- 分析了维纳斯的物理化学特性,包括DBO,对生产力的影响.
主要成果:
- 优化的发酵条件,特别是发酵时间,显著提高了PHB生产率,达到10.6 mg/L·h.
- 碳或的度增加对PHB产量产生了负面影响,这可能是由于化合物和限制.
- 用DBO水平表示的葡萄酒质量的变化直接影响了PHB生产率.
结论:
- 维纳斯是一种可行和可持续的基质,用于Bacillus megaterium生产聚基酸盐 (PHB).
- 优化发酵参数是最大化维纳斯生物聚合物产量的关键.
- 用维纳斯来生产PHB是一种有前途的途径,可以利用这种生物乙醇副产品.
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