The results show that the huge foam appearing in cooling tower and clogging of scrubber fillings and excess increasing of temperature in the outlet of washed gas may be eliminated effectively by the water replacement method. 研究结果表明,换水法可以有效地消除冷却塔产生的大量泡沫,避免洗涤塔填料的堵塞及净煤气出口温度的增高;