BOD BIOSENSOR FOR SECONDARY EFFLUENT FROM WASTEWATER TREATMENT PLANTS
BOD BIOSENSOR FOR SECONDARY EFFLUENT FROM WASTEWATER TREATMENT PLANTS
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用于废水处理厂二次流出物的 BOD 生物传感器
DOI：
10.2166/wst.1994.0195
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发表时间：
1994
影响因子：
2.7
通讯作者：
T. Toyoda
中科院分区：
文献类型：
--
作者：
Hiroaki Tanaka;E. Nakamura;Y. Minamiyama;T. Toyoda
一种以未降解酵母菌为受体，以DO探针为传感器的BOD生物传感器，使在短时间内测量废水中的BOD成为可能，而无需任何特殊的分析技术。自1990年被标准化为日本工业标准（JIS） K 3602。BOD传感器已进入商用阶段。据报道，BOD传感器适用于食品工业产生的特定废水，但目前尚不清楚BOD传感器是否适用于生活废水。从污水处理厂排出的二级污水。论述了现有BOD传感器对生活污水的适用性，以及对现有BOD传感器进行改进的必要性。根据本文对实际样品的实验评价，发现BOD传感器在应用于污水处理厂二次出水或河水等生物降解性较差的样品时，需要进行修改。因此，进行了一些修改。因此，选择微生物作为受体和BOD标准溶液进行校准，提高了BOD传感器对生物可降解性较差样品的适用性。采用改进后的BOD传感器，二级出水和河水的BOD值与人工分析的BOD值吻合较好。
A BOD biosensor which uses irrunobilized yeasts for its receptor and a DO probe for its transducer has made it possible to measure BOD in wastewater in a short time and without any special analytical technique. Since being standardized as Japan Industrialized Standard (JIS) K 3602 in 1990. the BOD sensor has entered into a commercial stage. It has been reported that the BOD sensor is applicable to specific wastewater generated by the food industry, but it is unclear whether the BOD sensor is applicable to domestic wastewater, in particular. to secondary effluent from wastewater treatment plants. This paper discusses the applicability of the existing BOD sensor to domestic wastewater and the necessity of improving the existing BOD sensor. Based on the experimental evaluation of the actual samples in this paper, it was found that the BOD sensor requires modifications when it is applied to less biodegradable samples such as secondary effluents from wastewater treatment plants or river waters. Thus, several modifications were conducted. As a result, selections of microorganisms for the receptor and of BOD standard solutions for calibration resulted in improvement of applicability of the BOD sensor to less biodegradable samples. Using the renovated BOD sensor, satisfactory coincidence was observed between manually analyzed BOD 5 and sensored BOD for secondary effluent and river water.