提取腐殖酸后的褐煤残渣对水中Cr(Ⅵ)的吸附研究
王茁伊,付鹏,王润琪,刘鹏,于妍

Study on the adsorption of Cr (Ⅵ) in water by lignite residue after humic acid extraction
Zhuoyi WANG,Peng FU,Runqi WANG,Peng LIU,Yan YU
图7 吸附前后褐煤残渣的红外光谱
Fig. 7 Fourier infrared spectra of lignite residue before and after adsorption