Biological cleaning system comprising microbes for digesting...

Details Biological cleaning system comprising microbes for digesting... Biological cleaning system comprising microbes for digesting...

2005-04-26

2005-04-26

Boyer, Charles (Department: 1751)

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

C134S036000, C134S050000, C134S084000, C134S088000, C134S091000, C134S094100, C134S095100, C134S099200, C134S102200, C134S186000, C510S220000

Reexamination Certificate

active

06884301

ABSTRACT:
A method and biological cleaning system are provided for cleaning substrate surfaces of oils and/or greases using a biological cleaning system which utilizes a pre-treatment bath and/or post-treatment bath as part of the cleaning system. The pre-treatment and/or post-treatment baths are compatible with the biological cleaning bath and during operation of the system, the used pre-treatment and/or post-treatment baths are recycled to the biological cleaning solution for biodegradation. A system is provided in which none of the pre-treatment, post-treatment or biological cleaning baths need expensive waste disposal. Replenishment pre-treatment and/or post-treatment baths as well as biological cleaning baths are added as needed to the biological cleaning system. Other treatment baths may be added directly to the biological cleaning bath with or without pre- or post-treatment for specific purposes such as a detergent phosphating bath used in the biological cleaning tank to provide a cleaned phosphated part.

REFERENCES:
patent: 5492139 (1996-02-01), Lashmett et al.
patent: 42 09 052 (1993-02-01), None
patent: 309432 (1989-03-01), None

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