Using diatomite as an adsorbent, the effects of several factors, including adsorbent concentration, initial iron concentration, adsorbate-solution temperature, initial adsorbate-solution pH value and adsorption time on diatomite adsorption to the Mn^2+ in the simulated waste-water were examined in the experiment by static adsorption tentative. The results indicate that the maximum diatomite adsorption capacity to Mn^2+ was 4.0486 mg·g^-1,so the diatomite adsorbent can be used for the removal of the Mn^2+ iron. Further, under the conditions ...