固定化硝化细菌对氨氮的去除效果研究 |
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引用本文: | 姚秀清,贾中原,王春华,邹宁.固定化硝化细菌对氨氮的去除效果研究[J].安徽农业科学,2012,40(3):1679-1680,1686. |
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作者姓名: | 姚秀清 贾中原 王春华 邹宁 |
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作者单位: | 辽宁石油化工大学环境与生物工程学院,辽宁抚顺,113001 |
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摘 要: | 目的]探讨固定化硝化细菌对氨氮的去除效果。方法]采用海藻酸钠-CaCl2和PVA-硼酸法2种固定化方法对实验室富集的硝化细菌进行了固定化,并优化了采用海藻酸钠-CaCl2制备的固定化硝化细菌去除自配水体中氨氮的条件。结果]海藻酸钠-CaCl2固定硝化细菌去除氨氮的优化条件为:温度30℃,pH 7.5~8.5,曝气速率6.5 L/min。在优化条件下,浓度为330.0 mg/L的自配水体经过7d处理后氨氮全部被去除,去除率接近100%。结论]为污水处理研究提供了理论依据。
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关 键 词: | 硝化细菌 固定化 氨氮 海藻酸钠 |
Research on the Removal of Ammonia by Immobilized Nitrifying Bacteria |
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Institution: | YAO Xiu-qing et al (School of Environment and Bioengineering,Liaoning Shihua University,Fushun,Liaoning 113001) |
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Abstract: | Objective] The aim was to explore the removal of ammonia by immobilized nitrifying bacteria.Method] The nitrifying bacteria enriched by the laboratory were immobilized by sodium alginate-calcium chloride and PVA-borate method.The experimental conditions of ammonia in synthetic water removed by using the nitrifying bacteria immobilized by sodium alginate-calcium chloride were optimized.Result] The optimum conditions for the removal of ammonia by immobilized nitrifying bacteria were temperature 30 ℃,pH 7.5-8.5 and aeration rate 6.5 L/min.Under above optimum conditions,the ammonia with initial concentration of 330.0 mg/L in the synthetic water was removed completely after seven days,and the removal rate was close to 100%.Conclusion] The research provides theoretical basis for the studies on wastewater treatment. |
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Keywords: | Nitrifying bacteria Immobilizing Ammonia Sodium alginate |
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