| 生物炭固定黄假单胞菌剂SBR降解污染物动力学 |
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| 引用本文： | 袁敏,唐美珍,汪文飞,杨月伟.生物炭固定黄假单胞菌剂SBR降解污染物动力学[J].水处理技术,2019(4):78-82. |
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| 作者姓名： | 袁敏 唐美珍 汪文飞 杨月伟 |
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| 作者单位： | 天津市环境保护科学研究院;曲阜师范大学南四湖湿地生态与环境保护重点实验室;兰州交通大学环境与市政工程学院 |
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| 基金项目： | 国家自然科学基金(31700433;31672314) |
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| 摘 要： | 利用水稻秸秆生物炭为载体,将黄假单胞菌(Pseudomonas flava WD-3)剂进行固定化,并应用到序批式活性污泥法(SBR)系统,研究系统其优化运行参数、去除效率和降解污染物动力学。结果表明,优化的生物炭固定化黄假单胞菌剂投加量和HRT分别为42 mg/L和3 d,在此条件下,生物炭固定化黄假单胞菌剂对SBR系统废水中TN、NH_4^+-N、TP和COD的去除率较游离菌时有显著的提高,分别为游离菌的1.39、1.51、1.47、1.28倍,且净化效果稳定。SBR系统中生物降解过程符合1级反应动力学模型,生物炭固定化黄假单胞菌剂的投加量、HRT与污染物的去除率呈正相关的1级反应关系。
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| 关 键 词： | 生物炭 固定化 黄假单胞菌 SBR 动力学模型 |
Dynamics of Immobilized Pseudomonas flava WD-3 by Biochar in SBR for Pollutants Degradation |
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| YUAN Min,TANG Meizhen,WANG Wenfei,YANG Yuewei.Dynamics of Immobilized Pseudomonas flava WD-3 by Biochar in SBR for Pollutants Degradation[J].Technology of Water Treatment,2019(4):78-82. |
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| Authors: | YUAN Min TANG Meizhen WANG Wenfei YANG Yuewei |
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| Affiliation: | (Tianjin Academy of Environmental Science,Tianjin 300191,China;Key Laboratory of NaSiHu Lake Wetland Ecosystem & Environment Protection,Qufu Normal University,Qufu 273165,China;School of Environmental And Municipal Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China) |
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| Abstract: | Rice straw biochar was used as the carrier to immobilize the Pseudomonas flava WD-3 agent,and applied to the SBR system,the system optimal operation parameters,removal efficiency and the pollutants degradation dynamics were researched.The results showed that the optimal dosage of biochar immobilized Pseudomonas flava WD-3 agent was 42 mg/L and HRT was 3 d.Under this conditions,the removal rates of TN,NH4^+-N,TP and COD in SBR system wastewater by Pseudomonas flava WD-3 was significantly higher than that of free bacteria,and the removal rates increased by 1.39,1.51,1.47,1.28 times,and had stable removal performance.The biodegradation process was fitted with the first order reaction dynamics model in SBR system,the dosage of biochar immobilized Pseudomonas flava WD-3 agent and HRT were positively correlated with the pollutants removal rate. |
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| Keywords: | biochar immobilized Pseudomonas flava WD-3 SBR dynamic model |
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