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中国农学通报 ›› 2017, Vol. 33 ›› Issue (22): 86-89.doi: 10.11924/j.issn.1000-6850.casb16100103

• 资源 环境 生态 土壤 气象 • 上一篇    下一篇

水力停留时间对固化微生物处理沼液的影响研究

吴晓梅,叶美锋,吴飞龙,林代炎   

  1. 福建省农业科学院农业工程技术研究所,福建省农业科学院农业工程技术研究所,福建省农业科学院农业工程技术研究所,福建省农业科学院农业工程技术研究所
  • 收稿日期:2016-10-25 修回日期:2017-07-27 接受日期:2017-05-16 出版日期:2017-08-21 发布日期:2017-08-21
  • 通讯作者: 林代炎
  • 基金资助:
    福建省科技公益专项优势项目“生猪养殖废水达标排放末端处理技术研究”(2015R1015-1);福建省科技重大专项“九龙江北溪综合治理技 术研究与示范”(2013YZ0001-1);福建省科技公益专项“水生经济植物对猪场沼液净化效果研究”(2016R1014-3)。

Hydraulic Retention Time: Affecting Biogas Slurry by Immobilized Microorganism Treatment

吴晓梅,, and 林代炎   

  • Received:2016-10-25 Revised:2017-07-27 Accepted:2017-05-16 Online:2017-08-21 Published:2017-08-21

摘要: 利用聚乙烯醇、海藻酸钠和活性炭等作为固化载体材料,制备以复合菌为主的固化微生物颗粒,用于处理规模化畜禽养殖场沼液废水,以废水中CODCr、NH4+-N和NO3 ·N去除率为主要指标,研究不同水力停留时间对固化微生物处理沼液废水的影响。试验表明,固定化微生物处理沼液废水的最佳水力停留时间为2 天,沼液废水CODCr、NH4+-N和NO3 ·N去除率达到最高,分别为78.15%、92.69%、76.58%,最终出水CODCr、NH4+-N和NO3 ·N浓度分别为357.92、39.84、88.84 mg/L,出水水质符合《畜禽养殖废水排放标准》(GB 18596—2001)。固化微生物在水力停留时间下为2 天时,对沼液的净化能力达到最大。

关键词: 资源环境承载力, 资源环境承载力, 模糊物元模型, 重庆市, 动态评价

Abstract: Immobilized microorganisms, which take polyvinyl alcohol, sodium alginate and activated carbon as solidified carrier materials, are based on compound bacteria in order to treat biogas slurry wastewater from large-scale livestock and poultry farms. The removal rate of CODCr, NH4+-N and NO3·N were used as the main index. The effect of hydraulic retention time on the immobilized microorganism treating process of bio-gas slurry waste water was investigated. The results showed that: the optimum hydraulic retention time was 2 days, the removal rate of CODCr, NH4 +- N and NO3 · N reached the highest as 78.15% , 92.69% and 76.58% , respectively; after the experiments, the concentrations of CODCr, NH4+-N and NO3·N were 357.92, 39.84 and 88.84 mg/L, respectively; the effluent quality met withThe Standards for the Discharge of Waste Water from Livestock and Poultry Breeding (GB 18596-2001). Therefore, when hydraulic retention time is 2 days, the purification ability of immobilized microorganism to biogas slurry can reach the highest.

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