压缩物和家用染废水的差异过载模拟,以去除营养物质
Elias Daniel David Nova-Burgos1, Diana Catalina Rodríguez-Loaiza2, Julio Cesar Saldarriaga-Molina3
1Pollution Diagnostics and Control Group (GDCON), Environmental School, School of Engineering, University Research Campus (SIU), University of Antioquia (UdeA), Cl 67 No. 53-108, Medellin, Colombia
概括
肉类染废水,富含和造成污染威胁,挑战生物处理. 模拟显示,测序批量反应器 (SBR) 由于低生物降解和氨毒性,难以消除营养物质.
科学领域:
- 环境工程 环境工程
- 废水处理技术 废水处理技术
- 生物反应器设计设计
背景情况:
- 肉类化会产生大量的废水 (冷凝和清洁),造成环境污染的风险.
- 化冷凝废水 (CWW) 对生物处理提出了挑战,包括pH抑制,营养缺乏和温度波动.
- 现有的废水处理系统可能无法有效处理化废水的复杂成分.
研究的目的:
- 在CWW的不同负荷下,模拟和分析测序批量反应堆 (SBR) 中的营养物去除效率.
- 确定在SBR系统中限制碳和去除的关键因素,以处理肉类化废水.
- 了解来自CWW的过载对SBR内的生物处理过程的影响.
主要方法:
- 在SBR系统中模拟营养除去.
- 在模拟中使用了CWW的差异过载.
- 区分HKWW以确定惰性颗粒碳 (XI).
- 化学氧需求 (COD) 和生化氧需求 (BOD) 的生物降解分析.
主要成果:
- 目前的SBR系统证明了碳和的去除不足于最佳水平.
- 在HKWW中,COD的低生物降解和高惰性颗粒碳 (XI) 处理效率有限.
- 在CWW中氨的毒性抑制了生物过程,导致营养物质的去除失败.
- 过载导致BOD去除率较低,普通异构生物 (OHO) 占主导地位,而不是自身化生物 (ANO),以及氨毒性.
结论:
- 在有效地从肉类化废水中去除营养物质方面,SBR系统面临着重大挑战.
- 惰性颗粒碳和氨毒性的存在是SBR性能的关键限制.
- 优化SBR设计和运行对于减轻肉类化废水对环境的影响至关重要.
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