In case of residual scales after the alkaline cleaning these can be dissolved or decomposed with acid, so that they can be dissolved in a caustic soda solution afterwards. The composition of the scale as well as the material of the evaporator to be cleaned are decisive for the choice of the acid. At the analysis of scales and the elaboration of an individual cleaning recommendation.
KELLER & BOHACEK refers to experience for decades. Several hundreds of scale examinations per year as well as the successful application of our cleaning additives in more than 200 sugar factories worldwide show our strength, i.e. the individual solution of cleaning problems of our customers.
As inhibitors for the acid cleaning in sugar factories our LITHSOLVENT types are used. Especially developed products for nearly all known acids resp. acid mixtures are available and formulated for the existing evaporator materials and also considering the temperature for the required chemical cleaning.