One of the first lessons learned by new water treatment sales,service and research chemists is that calcite is inversely soluble with temperature.As temperature increases,solubility decreases.A corollary to this rule is erroneously assumed:"As temperature increases calcite solubility decreases,causing scale potential,the degree of super-saturation,and indices,to increase in response."This is accurate,if only the solubility of product for calcite is considered.Temperature changes affect more than just the solubility product.When doing an evaluation that includes temperature changes,it is prudent to evaluate the impact of temperature on other parameters.Table 1 summarizes various parameters directly affected by temperature that affect the scale potential.
展开▼
