Influence of particles on scaling in industrial heat exchangers : preliminary studies

2001 
Scale formation in industrial heat exchangers is a big problem in cane sugar factories resulting in various operational problems. Process fluids flowing in heat exchangers of these factories contain various org. and inorg. salts and suspended particles. A cane sugar factory in Zambia is studied and the main operational problems encountered are presented. Further scale deposits forming on syrup heater surfaces are analyzed to det. their constituents. Gypsum is the dominant compd. in the scale layer. Also obsd. are foreign particles imbedded in the scale layer. Results from preliminary expts. show that particles suspended in the fluid may have an effect on the scaling process. These findings provide motivation to study the effect of particles on the scaling process
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