论文摘要
针对驯化筛选的一株好氧反硝化菌Acinetobacter sp.A2,研究了其以苯酚为唯一碳源进行反硝化的动力学过程.通过对比不同浓度条件下苯酚浓度对反硝化效能的影响,结果表明苯酚浓度在500 mg/L左右能够为反硝化提供充足碳源且不产生严重的抑制作用,此时反硝化效率最高.在该浓度条件下,分别控制温度、pH值以及DO(Dissolved Oxygen)为唯一控制变量,研究Acinetobacter sp.A2在限制性条件下的动力学关系,根据试验数据推导出了Acinetobacter sp.A2在限制性条件下的混合降解动力学方程.通过试验数据以及动力学方程分析可以确定温度及pH值为反硝化过程的主要影响因子之一.
论文目录
文章来源
类型: 期刊论文
作者: 杨世东,崔鑫鑫
关键词: 苯酚,好氧反硝化,动力学,硝酸盐
来源: 东北电力大学学报 2019年04期
年度: 2019
分类: 工程科技Ⅱ辑,基础科学,工程科技Ⅰ辑
专业: 生物学,环境科学与资源利用
单位: 东北电力大学建筑工程学院
基金: 国家自然科学基金项目(31101009),吉林省科技厅自然科学基金项目(20150101090JC)
分类号: X172;X703
DOI: 10.19718/j.issn.1005-2992.2019-04-0068-08
页码: 68-75
总页数: 8
文件大小: 1646K
下载量: 117
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