Technological modeling of physicochemical removal of iron from deep groundwater
Heliyon(2023)
Abstract
In view of the significant difficulties arising in controlling the operation of the rapid iron removal filters on the basis of full exhaustion of their clarifying resource at every calculation stage (filter run), it is suggested to realize a simple control algorithm, which assumes an equal duration of filter runs during the entire service life of one filtering material change. Since the efficiency of physicochemical iron removal depends significantly on the specified duration, in order to establish its optimal value in every given case it is necessary to perform a special technical and economic analysis with a detailed consideration of the composition and degree of contamination of natural water. In the working conditions considered above, which are typical for physicochemical iron removal from deep groundwater in Ukraine, such a value was 600 conventional units, which corresponds to 48 h. The cost of the treatment increases significantly even with a small deviation of the filter run duration from the optimal value.
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Key words
Physicochemical iron removal,Rapid filter,Deposit consolidation,Filter control algorithm,Service life of granular medium,Reduced costs
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