基于生物传感器的在线生化需氧量测量仪研究

被引：3

作者：

刘升 ^{[1
]}

郜洪文 ^{[2
]}

机构：

[1] 淮北师范大学计算机科学与技术学院

[2] 不详

来源：

农业机械学报 | 2013年 / 44(S2)卷 / S2期

关键词：

微生物传感器; 生化需氧量; 有机污染物; 在线监测;

D O I：

暂无

中图分类号：

TP212.3 [生物传感器、医学传感器];

学科分类号：

摘要：

为弥补经典的五日稀释接种法(BOD5)耗时较长,不能及时反映水质污染状况的不足,设计了基于微生物传感器的生化需氧量(BOD)在线测量仪器。BOD生物传感器是溶解氧传感器和微生物膜的结合,利用微生物膜传感器测定BOD是一种快速有效测定水中可生化降解有机物的方法。论述了BOD生物传感器的工作原理,给出了在线BOD测量仪器的整体结构,设计了连续进样系统和信号处理电路,阐述了自动标定、温度控制、数据处理和有机物浓度计算的方法。设计的在线BOD测量仪器对标准值的相对误差在±5%以内,与经典的稀释接种法比较有较好的相关性,能够用于废水中可生化降解的有机物的快速测定和评价。

引用

页码：231 / 235

页数：5

共 13 条

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