Method of cleaning and maintaining water distribution pipe syste

Details Method of cleaning and maintaining water distribution pipe syste Method of cleaning and maintaining water distribution pipe syste

1993-03-23

1994-11-01

Dean, Richard O.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2212, 134 2213, 134 2214, B08B 902, B08B 906

Patent

active

053604881

ABSTRACT:
A method of cleaning and maintaining water distribution systems which have reduced flow due to an increase of water scale deposits, sediment, and the like on the inside surface of the pipe is disclosed. An aqueous acidic cleaning solution is introduced 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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