和硫相结合的自性脱系统,用于高效的酸盐和酸盐去除
Xuzhen Liu1, Changsheng Zhao1, Tongtong Xu1
1Qilu University of Technology (Shandong Academy of Sciences), Shandong Analysis and Test Center, Jinan, Shandong 250014, PR China.
Bioresource technology
|June 19, 2023
概括
和硫相结合的自脱 (PSAD) 有效地从污水中去除酸和酸. 这种增强的方法实现了高的去除效率,显示了废水处理应用的前景.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 水处理 处理水的方法
背景情况:
- 矿自性脱 (PAD) 显示了去除效率低下.
- 硫自无化 (SAD) 具有较低的酸盐- (PO43--P) 去除效率.
- 这些局限性阻碍了PAD和SAD的工程应用.
研究的目的:
- 调查和硫相结合的自无化 (PSAD) 的有效性,以同时从污水中去除酸盐- (NO3--N) 和PO43--P.
- 在批量和列实验中评估PSAD的性能.
主要方法:
- 使用PSAD进行了批量和列实验.
- 监测了废水中NO3--N和PO43--P的度.
- 进行了pH和PO43-P去除效率之间的相关性分析.
- 在属层面进行了细菌社区分析.
主要成果:
- PSAD实现了99.14%的高总 (TN) 清除效率,废水NO3 - - N的0.32 ± 0.11 mg/L.
- 最高的PO43-P去除效率在第18天达到100%.
- 在pH和PO43-P去除效率之间观察到显著的相关性.
- 确定的主要细菌系是Thiobacillus,Thiomonas和Thermomonas,与SAD相比,PSAD中Thermomonas的数量更高.
- 增加的Thermomonas丰富性表明N2O减少的潜在优势.
结论:
- PSAD是一种高效的方法,可以同时从污水中去除和.
- 该PSAD系统在营养物质去除方面显示出与PAD和SAD相比的显著改进.
- 在PSAD系统中,pH对PO43--P去除效率起着至关重要的作用.
- 该PSAD系统显示了由于热虫的丰富性增加而提高N2O缓解的潜力.
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