Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Cleaning using a micro-organism or enzyme
Patent
1994-11-29
1996-07-02
Czaja, Donald E.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Cleaning using a micro-organism or enzyme
435262, 210601, 210621, C12S 900, C12S 1100, C02F 302, C02F 300
Patent
active
055321623
ABSTRACT:
A method for eliminating used aqueous degreasing or cleaning solutions in a closed rinsing system where the contaminated solution with its impurities and other agents is rinsed off the surfaces of the cleaned goods and organic matter including tensides is degraded by microorganisms contained within the rinse system. Further, a method for cleaning goods is provided which comprises cleaning these goods in a cleaning or degreasing system (either conventional or biologically active) followed by rinsing them in a closed system wherein during the rinsing step the cleaning solution and impurities are rinsed off the surfaces of the goods and organic matter including tensides is degraded by microorganisms contained within the rinse system. Finally spent degreasing and cleaning solution can be fed into the rinse bath where organic matter, contained in the solution, is degraded by the microorganisms, thus reducing the liquid waste load.
REFERENCES:
patent: 3843464 (1974-10-01), Usami et al.
patent: 3923540 (1975-12-01), Usami et al.
Czaja Donald E.
Reardon T. J.
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