文章根据双膜理论,分析了气液反应的吸收机理,用图像边界识别法测量亚硫酸盐强制氧化气液反应速率.在测量氧化速率时,让单个氧气泡在亚硫酸钠溶液中反应,用数码相机拍下氧气泡由于反应而不断缩小的照片,用图像处理程序进行分析、识别,最后计算得出氧化速率.实验结果与理论分析结果相同,证明了该方法的正确性及其可以作为气液传质理论研究的测量方法.
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