从土豆加工废水中完全去除COD,通过共同种植Haematococcus pluvialis和Gordonia terrae
Dayang Gao1, Jie Lv1, Xiangying Xing2
1Department of Bioengineering, School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China.
Letters in applied microbiology
|August 12, 2025
概括
共同培养绿藻Haematococcus pluvialis和细菌Gordonia terrae有效地消除了废水中的化学氧气需求 (COD). 用酸补充剂实现了100%的COD去除,提供了可持续的废水处理解决方案.
科学领域:
- 环境微生物学 环境微生物学
- 生物技术是生物技术.
- 废水处理 废水处理
背景情况:
- 土豆加工产生了具有高化学氧需求 (COD) 的废水.
- 有效的COD清除对于环境保护和监管合规性至关重要.
- 生物处理方法为传统的废水处理提供了可持续的替代方案.
研究的目的:
- 调查共同培养绿藻Haematococcus pluvialis和细菌Gordonia terrae的有效性,以从土豆加工废水中去除COD.
- 为了确定最佳的注射比率和条件,以提高COD去除.
- 评估营养补充对共同种植过程的影响.
主要方法:
- 消毒的土豆加工废水被用于共同种植实验.
- H. pluvialis 和 G. terrae 在不同的比例下被接种.
- 随着时间的推移,监测化学氧需求 (COD) 水平.
- 补充酸盐 (NaNO3) 来评估其对COD去除的影响.
主要成果:
- 与纯种植相比,共同培养显著提高了COD去除效率和速率.
- 最高的COD去除效率 (88.9%) 在12日以40:1的接种比率 (H. pluvialis:G. terrae) 实现.
- 补充0.2g·L-1 NaNO3导致在10天内100%的COD消除.
- 为了完全消除COD,确定了8.08的最佳COD/ (C/N) 比率.
结论:
- 与H. pluvialis和G. terrae共同种植是一种高效的生物方法,用于处理土豆加工废水.
- 优化的共同种植条件和营养补充可以实现完全的COD去除.
- 这种方法为工业废水管理提供了一个有希望的,可持续的解决方案.
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