Method of cleaning and maintaining hot water heaters

Details Method of cleaning and maintaining hot water heaters Method of cleaning and maintaining hot water heaters

1994-04-21

1996-02-27

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

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

134 2212, 134 2214, 134 2218, 134 2219, 134 29, 134 41, 252 87, B08B 308, B08B 900, C02F 514, C23G 102

Patent

active

054945275

ABSTRACT:
A method of cleaning and maintaining a hot water heater tank contaminated with water scale and sediment by introducing an aqueous acidic treatment solution, retaining the acidic solution for a sufficient time to dissolve or suspend said scale and sediment, and then draining the spent solution containing the dissolved or suspended scale and sediment to provide a clean hot water heater tank.

REFERENCES:
patent: 2884349 (1959-04-01), Axelrad
patent: 3424688 (1969-01-01), Boiko
patent: 3443992 (1969-05-01), Schmidt
patent: 4789407 (1988-12-01), Boiko
patent: 4913823 (1990-04-01), Lipinski et al.
patent: 5021096 (1991-01-01), Abadi
patent: 5152843 (1992-10-01), McDonald et al.
patent: 5154197 (1992-10-01), Auld et al.

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