Product and processes for preventing the occurrence of rust...

Details Product and processes for preventing the occurrence of rust... Product and processes for preventing the occurrence of rust...

2007-05-01

2008-07-15

Carrillo, Sharidan (Department: 1792)

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

C134S002000, C134S010000, C134S027000, C134S029000, C134S036000, C134S042000, C210S696000, C422S014000, C252S175000, C047S001500, C047S048500, C047S00101T

Reexamination Certificate

active

07399366

ABSTRACT:
Several products and processes for preventing the occurrence of rust stains resulting from irrigation systems using water having iron ions, such as well water, and for cleaning off rust stains resulting from the use of said irrigation systems are disclosed. In one embodiment, ammonium sulfate is mixed with well water and then this mixture is mixed with incoming well water being sprayed on the surfaces. In another embodiment, ammonium bisulfate is used for the removal of rust stains. Then ammonium sulfate is mixed with the incoming well water being sprayed in the next cycle, to prevent rust formation.

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