Method of cleaning and maintaining potable water distribution pi

Details Method of cleaning and maintaining potable water distribution pi Method of cleaning and maintaining potable water distribution pi

1994-06-20

1996-06-18

Silbaugh, Jan H.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 10, 134 2213, 134 41, B08B 902, C23G 102

Patent

active

055273955

ABSTRACT:
A method of cleaning and maintaining potable water distribution systems which have reduced flow due to an increase of scale, tuberculation, sediment, and the like on the inside surface of the pipe is disclosed. An aqueous acidic cleaning solution is heated and circulated through the pipe to be treated for a sufficient time to dissolve and loosen the scale and sediment, and the spent solution containing dissolved or suspended scale and sediment is flushed from the pipe to provide a cleaned pipe with improved water flow. It is also desirable to flush the water distribution pipe system with high pressure water after the treatment to remove loosened scale and sediment that was not removed during the circulation and flushing of the treating solution.

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