Activating the acid of Calcification bentonite and disposing the decoloring of dying wastewater will make the ratio of removing COD and chromatcity be respectively up to 76 percent and 87 percent.

• 将钙基膨润土酸性活化,然后对印染废水脱色处理,其一次性COD去除率达76%25,色度去除率达87%25。