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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production
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使用固定微藻的废水处理过程.

Ihana Aguiar Severo1, Otto Gustavo de Avila Azevedo2, Paulo Alexandre Silveira da Silva3

  • 1Graduate Program in Materials Science Engineering (PIPE), Federal University of Parana (UFPR), Curitiba, PR 81531-980, Brazil; Sustainable Energy Research & Development Center (NPDEAS), Federal University of Paraná (UFPR), Curitiba, PR 81531-980, Brazil; Department of Mechanical Engineering, FAMU-FSU College of Engineering, Energy and Sustainability Center, Center for Advanced Power Systems (CAPS), Florida A&M University, Florida State University, 32310-6046, Tallahassee, FL, USA

Water science and technology : a journal of the International Association on Water Pollution Research
|August 31, 2024
PubMed
概括
此摘要是机器生成的。

在酸盐珠中的固定微藻 (Tetradesmus obliquus) 显著增加了生物质生产和从猪废水中去除营养. 这种方法为可持续的微藻种植和废水处理提供了具有成本效益的解决方案.

关键词:
酸是一种酸.生物消化的猪.细胞不动化 细胞不动化营养物质的去除 营养物质的去除

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科学领域:

  • 环境生物技术 环境生物技术
  • 微藻养殖 微藻养殖
  • 废水处理 废水处理

背景情况:

  • 微藻生物质提供了多样化的应用,但由于高的介质和收获成本,面临着扩大规模的挑战.
  • 利用像猪一样的替代废水流可以降低种植费用.
  • 固定化技术可以提高微藻的性能,简化收获.

研究的目的:

  • 评估基于猪的废水中固定式Tetradesmus obliquus的生长和营养去除效率.
  • 为了比较固定细胞与自由细胞的性能.
  • 评估这种方法对可持续废水处理的潜力.

主要方法:

  • 在藻酸盐珠中培养固定的Tetradesmus obliquus.
  • 与基于猪的废水中的自由细胞培养物进行比较.
  • 测量生物质生产,化学氧气需求 (COD),总 (TN) 和总 (TP) 的去除.

主要成果:

  • 固定细胞的生物质产量大约是自由细胞的2.3倍,特别是在10%的废水度下.
  • 固定细胞显著增强了有机碳的去除,在48小时内减少了62%的COD,而自由细胞则降低了6%.
  • 固定细胞和自由细胞都显示出高的营养物质去除效率,的去除效率超过99%,并且有效地去除了总.

结论:

  • 在酸盐珠中的Tetradesmus obliquus的固定增强了猪废水中的生物质产量和营养去除效率.
  • 这种方法为成本效益高的微藻种植和有效的废水整治提供了可行的策略.
  • 这些发现支持了固定和替代基板的潜力,用于可持续的生物技术应用.