水质条件对氧传质影响的研究

邹联沛; 赵洪涛; 刘知人; 占金美; 杨开亮; 丁国际

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水质条件对氧传质影响的研究

更新时间：2026-09-14

- 水质条件对氧传质影响的研究
- 水质条件对氧传质影响的研究
- Issue 1, (2010)
- 作者机构：
  
  上海大学环境与化学工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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邹联沛, 赵洪涛, 刘知人, et al. 水质条件对氧传质影响的研究[J]. 2010, (1).
DOI：

邹联沛, 赵洪涛, 刘知人, et al. 水质条件对氧传质影响的研究[J]. 2010, (1). DOI：

摘要

通过对不同条件下水体的曝气增氧实验

研究了温度、浊度以及pH对曝气水体中氧传质的影响.研究结果表明:氧总转移系数KLa随着温度的升高而增大

而氧转移速率υOTR的总体趋势是缓慢减小的

但在25℃附近υOTR有增大的趋势;在不同浊度的水体中

KLa和υOTR均随着水体浊度的增加而不断增大

与水体的浊度呈明显的正相关关系;水体pH对KLa和υOTR也有一定的影响

随着pH的增加

KLa和υOTR均是先降低后增加

并在pH为7.0时达到最小值.

Abstract

Effects of temperature

turbidity and pH on oxygen transition in aerated water under different conditions were studied.The results showed that the oxygen transfer coefficient(KLa) increased with the increasing temperature

while the oxygen transfer rate(υOTR) decreased except with an increasing tendency at around 25 ℃.In turbid water

KLa and υOTR are positively correlated to the level of turbidity.The pH value can also influence KLa and υOTR at certain degree.As the pH value was increased

KLa and υOTR firstly decreased and then increased

and had minimum values at pH 7.0.

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