膜气化生物反应器 (MABRs) 用于增强WWTP中的生物处理过程
Giuseppe Campo1, Alberto Cerutti1, Mariachiara Zanetti1
1DIATI, Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129, Torino, Italy.
Journal of environmental management
|November 2, 2024
概括
膜气化生物反应器 (MABR) 为废水处理厂提供了显著的能源节约,与传统系统相比,可能减少80%的能源需求. 这项技术在去除污染物和传输氧气方面实现了高效率,使其成为实现气候中立目标的经济有效解决方案.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 可持续能源解决方案 可持续能源解决方案
背景情况:
- 污水处理厂 (WWTP) 面临着压力,需要减少能源消耗,以实现气候中立的目标,正如欧洲绿色协议所要求的.
- 膜气化生物反应器 (MABR) 是一个有前途的技术,用于升级现有的WWTP并优化能源使用.
研究的目的:
- 调查开放式MABR中输出流量的控制,以最大限度地减少氧气消耗并最大限度地提高氧气传输效率 (OTE).
- 评估MABRs在从真实的废水中去除化学氧气需求 (COD) 和总的效率.
- 进行技术经济分析,将MABR与传统活性污泥 (CAS) 系统进行比较.
主要方法:
- 在纯粹的开放式MABR设置中进行受控流量实验.
- 测量氧气转移效率 (OTE) 和污染物去除率 (COD,总).
- 技术经济比较25000等价居民 (e.i.) MABR工厂与CAS工厂相比,包括关键参数的灵敏度分析.
主要成果:
- 达到超过80%的OTE值,与封闭式配置相比较.
- 对于COD和总的 85%的高去除效率被证明是高的.
- MABR系统需要大约1/5的CAS工厂消耗的能量.
- 在特定的成本条件和5年的回报期下,确定了MABR投资的利能力.
结论:
- 在MABR中,出口流量控制是提高氧气传输效率和减少能源消耗的有效策略.
- 马布尔显示出具有强大的成本效益和能源效率的废水处理潜力,有助于气候中立.
- 马布尔磁带的经济可行性对电能成本和马布尔磁带的资本投资等因素敏感.
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