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189 in-depth guides on water and wastewater treatment — browse the latest below, or jump to a topic.

Water

SERVICE RESERVOIRS

Water Treatment Reservoirs Water supply sources, such as wells or water treatment plants, operate best at steady, design rates over relatively longer periods of…

Water

RECORDS AND REPORTS

Water Treatment Reports A record system has to be developed which should be realistic and applicable to the operating problems involved in the Transmission…

Water Treatment

Scada Water Treatment

Water Treatment Plant Monitoring Normally the Managers of Operation and Maintenance of water treatment utilities monitor levels in service reservoirs fed by the transmission…

Water

Scraping and Relining

Scraping and relining is applicable to old tuberculated CI mains, which are structurally sound. Pipe scraping methods include drag scraping, power boring and pressure…

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Water

Procedure for Cleaning with Swab

In distribution systems where hydrants are connected vertically above a main without a duck- foot bend, the insertion of swab and expulsion from the…

Water

Cleaning of Pipes

Cleaning of Pipes The necessity for systematic and periodic cleaning of pipelines is borne out by the fact that the carrying capacity of the…

Water

Reduction in Carrying Capacity

Reduction in Carrying Capacity The carrying capacity of the pipeline depends on the diameter and the Hazen-Williams C-value, which is proportional to the smoothness…

Water

Degradation of Water Quality

Degradation of water quality Entry of subsoil or contaminated water through leaky pipes and joints especially in intermittent system may cause the degradation of…