Phenol adsorption capacity increases when coal powder was milled together with KMnO4. Infrared spectra (FTIR) showed that mechanochemistry reaction occurred and the resultants mainly were humic acid salt during milling.

• 煤粉与KMnO_4共球磨可以增加煤粉对苯酚的吸附量。 红外光谱表明，球磨过程中发生了机械力化学反应，主要产物为腐植酸盐。