Effect of alkalinity on the scaling of simulated cooling tower water

Effect of alkalinity on the scaling of simulated cooling tower water
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DOI:
10.1002/cjce.5450550306
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发表时间:
1977-06
影响因子:
2.1
通讯作者:
R. Morse;J. Knudsen
R. Morse;J. Knudsen
中科院分区:
工程技术4区
文献类型:
--
作者:
R. Morse;J. Knudsen

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研究了模拟冷却塔水在换热表面的结垢行为。碱度是研究的主要参数。将污垢随时间变化的曲线拟合到由污垢过程简单模型导出的方程中。拟合的相关系数为0.81 ~ 0.987。没有观察到延迟时间的特殊模式,它们似乎对渐近污垢阻力没有显着影响。后者是碱度的复杂函数,但在实验条件下通常随碱度的增加而增加。水垢强度似乎是水垢中非碳酸钙成分的强烈函数。
The scaling behavior of simulated cooling tower water on a heat transfer surface was investigated. The alkalinity was the main parameter investigated. The fouling vs. time curves were fitted to the equation which was derived from a simple model of the fouling process. Correlation coefficients ranging from 0.81 to 0.987 were obtained in fitting the data to the model. No particular pattern was observed for delay times and they appeared not to have a significant influence on the asymptotic fouling resistance. The latter is a complex function of the alkalinity but generally increases with alkalinity for the conditions of the experiment. Scale strength appears to be a strong function of the non-calcium carbonate components of the scale.