A process and an arrangement for machine dishwashing

Details A process and an arrangement for machine dishwashing A process and an arrangement for machine dishwashing

A - Human Necessities

47

L

A47L 15/44 (2006.01) C11D 7/42 (2006.01)

Patent

CA 2163757

A dish-washing process in industrial dish-washing machines (23) is disclosed. A detergent (2, 19) and another active substance which reinforces the detergent action are dosed into the rinsing or washing bath of the dish-washer (23). In order to durably prevent the formation of a starch deposit on the dishes washed in industrial dish-washers, a low alkaline detergent, is particular a phosphate- or NTA-based detergent, is used as a detergent (2, 19), and a detergent booster (5) containing an enzyme, preferably a carbohydrate-decomposing enzyme, in particular amylase, is used as additional active substance. It is also possible to compensate the decomposition or the degradation of the enzyme during standstill phases (11) of operation of the dish-washer by adding maintenance doses (17, 18) or intermittent doses (SD) to the washing bath before the start of a new active rinsing phase.

Selon un procédé de lavage de la vaisselle dans des lave-vaisselle industriels (23), des doses de détergent (2, 19) et d'une autre substance active qui renforce l'effet du détergent sont ajoutées au bain de rinçage ou de lavage du lave-vaisselle (23). Afin d'éviter de manière durable la formation d'un dépôt d'amidon sur la vaisselle pendant le lavage dans des lave-vaisselle industriels, on ajoute comme détergent (2, 19) au bain de lavage des doses d'un détergent à faible alcalinité, notamment à base de phosphate ou de NTA, et, comme adjuvant, un renforçateur (5) du lavage contenant une enzyme, de préférence une enzyme décomposant les glucides, notamment l'amylase. Il est en outre possible de compenser la décomposition ou la dégradation de l'enzyme pendant des phases d'arrêt (11) du fonctionnement du lave-vaisselle en ajoutant des doses d'entretien (17, 18) ou des doses intermittentes (SD) avant le début d'une nouvelle phase active de rinçage.

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