1974 Volume 27 Issue 5 Pages 263-271
In this paper, the behaviors of components of scales in the brine, and the composition and crystal form of adhered scales and seed crystals, were studied following the previous paper.
1) When “additive treatment” was applied, a considerable decrease in the heat transfer coefficient was observed. This was attributed to deposition of the scale of paste form.
2) When the new method, in which equivalent amounts of CaCO3 and Mg (OH) 2 were added together with slaked lime, was applied, the formation of CaCO3 and Mg (OH) 2 crystals were observed.
3) The relationship between the temperature of brine and the constituents of adhered scale was recognized. And the correlation of the effect of scale prevention among “additive treatment”,“addition of alkaline reagent”,“addition of seed” and the “new method” was made clear.
