Surface cleaning method and machine

Details Surface cleaning method and machine Surface cleaning method and machine

1974-09-20

1978-06-20

Pitlick, Harris A.

Compositions

Water-softening or purifying or scale-inhibiting agents

210 54, 252 89R, 252DIG15, C11D 337

Patent

active

040960846

ABSTRACT:
A method for cleaning surfaces such as floors and pavements that includes incorporating a polyelectrolyte in the cleaning solution and a surface scrubbing machine for carrying out the process. As specifically disclosed, the method comprises applying the cleaning solution to the surface together with agitating the solution on the surface to cause formation of flocs, removing the floc containing solution from the surface by, for example, squeegeeing, and returning the recovered solution to a solution tank and, if desired, separating out the flocs. With a scrubbing machine the solution tank is on the machine, and the agitation may be provided by, for example, a rotary brush on the machine, or by applying the cleaning solution to the surface by forcing the solution under pressure through discharge nozzles. Although not necessary for some cleaning operations, in others a detergent or soap compatible with the polyelectrolyte is incorporated in the solution. With various combinations of polyelectrolyte and detergent, the addition of a suitable flocculation aid such as metallic salts to the solution enhances the degree of flocculation and the strength and size of the flocs.

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patent: 3870648 (1975-03-01), Grifo
patent: 3950260 (1976-04-01), Eldib

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