A STUDY ON SIMULATION MODEL FOR THE CHLORINE RESIDUALS DECREASE IN RECEIVING TANK WITH UNSTEADY INFLOW AND OUTFLOW
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- INAKAZU Toyono
- 首都大学東京大学院 都市環境科学研究科
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- HARADA Takashi
- 首都大学東京大学院 都市環境科学研究科
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- KUNIZANE Takaharu
- 首都大学東京大学院 都市環境科学研究科
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- KOIZUMI Akira
- 首都大学東京大学院 都市環境科学研究科
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- MATSUNAGA Kiwami
- 千葉県水道局
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- IWASE Nobuo
- 千葉県水道局
Bibliographic Information
- Other Title
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- 非定常入出力を有する受水槽における残留塩素の減少モデルに関する一考察
- ヒテイジョウ ニュウシュツリョク オ ユウスル ジュスイソウ ニ オケル ザンリュウ エンソ ノ ゲンショウ モデル ニ カンスル イチ コウサツ
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Abstract
For water service, it is an important issue to control and to reduce the chlorine residuals concentration during water transmission and distribution process. Especially water supply with receiving tank carries considerable risks due to its long residence time owing to the random water use for a small congregation.<br> Utilizing data from examinations on water quality of small receiving tanks, the purpose of this study is to devise a simulation model for the decrease of chlorine residuals concentration in tank with intermittent inflow and outflow. By the combined use of the first order reaction rate reflected from the TOC components and the model for complete mixing of inflow and stored water in tank, we were able to describe the chlorine residuals decrease under some conditions concerning the turnover rate of receiving tank and/or the reduce of chlorine residuals concentration in inflow.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
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Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 70 (7), III_17-III_23, 2014
Japan Society of Civil Engineers
