RECLAIMED WATER SUPPLY EQUIPMENT

PROBLEM TO BE SOLVED: To provide reclaimed water supply equipment having a hypochlorite injection control system capable of holding the concentration of a residual chlorine in reclaimed water, which is supplied to reclaimed water utilizing equipment, to a set value or above. SOLUTION: Since the corr...

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Bibliographic Details
Main Authors SAKAMOTO YOSHIYUKI, KURIHARA CHIYOUKO, YOKOGAWA KATSUYA, HATSUKA YUKIO
Format Patent
LanguageEnglish
Published 09.02.2006
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:PROBLEM TO BE SOLVED: To provide reclaimed water supply equipment having a hypochlorite injection control system capable of holding the concentration of a residual chlorine in reclaimed water, which is supplied to reclaimed water utilizing equipment, to a set value or above. SOLUTION: Since the correlation of the concentration of residual chlorine in sent water and the concentration of residual chlorine in return water is calculated using an operation means 24 of the proper concentration of residual chlorine in sent water while the target value of the concentration of residual chlorine in sent water for obtaining the target concentration of residual chlorine in return water is calculated based on the correlation and the injection of a hypochlorite is controlled by a hypochlorite injection control means 25, the concentration of residual chlorine in the reclaimed water supplied to the reclaimed water utilizing equipment 16 can be certainly held to a prescribed value or above. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040214437