Process for machine washing of soiled articles using a water-ins

Details Process for machine washing of soiled articles using a water-ins Process for machine washing of soiled articles using a water-ins

1977-08-04

1979-03-13

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

8137, 68 13A, 134 25R, 134 25A, B08B 704

Patent

active

041440935

ABSTRACT:
The machine washing of solid material (e.g. dishes and clothes) in hard water areas is enhanced when the washing solution has a dissolved content of a sequestering agent for calcium ions and is contacted with an insoluble cation exchange resin in particulate state, the washing solution being passed through a filter containing the resin during the course of the washing operation. The filter is maintained separate and spaced from the washing area. The cation exchange resin may be contained in a filter of the whirlpool type, so that the particles are maintained in aqueous suspension without coming into contact with the materials being washed, or it may be contained as a unitary porous lining of a filter.

REFERENCES:
patent: 3424545 (1969-01-01), Bauman
patent: 3476600 (1969-11-01), Morgan et al.
patent: 3619115 (1971-11-01), Diehl et al.
patent: 3721627 (1973-03-01), Adams et al.
patent: 3915633 (1975-10-01), Ramachandran
patent: 3937042 (1976-02-01), Loeb

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