Time filter

Source Type

Kuala Lumpur, Malaysia

Sing L.B.,Indah Water Konsortium Sdn. Bhd. | Salleh M.,Indah Water Konsortium Sdn. Bhd. | Guan C.B.,Indah Water Konsortium Sdn. Bhd. | Abdul Hamid M.H.,Indah Water Konsortium Sdn. Bhd. | Mohd Din A.K.,Indah Water Konsortium Sdn. Bhd.
Water Practice and Technology | Year: 2015

One of the most frequently encountered operational problems with Imhoff tanks is filter media clogging. Traditionally, the restoration procedure is to remove the clogged rock media and replace them with clean material. This is costly and may require the facility to close for a time. Recently, an innovative approach has been tested at lab- and full-scale. It consisted of aggressive oxidation and segregation of the clogged solids, using catalyzed hydrogen peroxide. The results indicate that, after treatment, clogging was substantially reduced. The outcomes of the lab- and full-scale studies are discussed in this paper. © IWA Publishing 2015. Source

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