Method and system for washing

摘要

A washing system for use in cleaning or washing a soiled substrate or substrates, the system comprising: a. a washing zone for contacting and washing the soiled substrate with wash liquor in a substrate washing step; b. a feed supply for providing hot or cold feed water to the washing zone; c. a water-softening zone intermediate the feed supply and washing zone; d. an effluent storage and/or discharge zone; and optionally one or more of e. a product dispensing zone; f. means for sonically or ultrasonically treating the soiled substrate in the washing zone or in a washing pre-treatment zone; g. an electrolysis zone for electrolysing the feed water or wash liquor; and h. a wash liquor disinfection zone; and wherein the washing system additionally comprises a wash liquor cleanup and recycle zone in fluid communication with the washing zone.