Patent ID: 6440226
Filing Date: 2002-08-27
Classification: B08B,C02F,C12N,C12P,C12R,Y02W

Abstract:
A method of washing parts comprising the steps of:(a) placing at least one part in a first chamber; (b) circulating a cleaning fluid from a second chamber to the first chamber to wash the surfaces of the part in contact with the fluid, said cleaning fluid removing organic matter; (c) passing the cleaning fluid that had contacted the part through a porous medium; (d) draining the cleaning liquid from the first chamber into the second chamber; (e) removing organic matter in the cleaning fluid in the second chamber wherein the step of removing the organic matter from the fluid comprises biologically degrading the organic matter; and (f) re-circulating the cleaning liquid from the second chamber to the first chamber to be available for washing parts.