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
表3 响应面因素水平及编码
Table 3 Response surface factor level and coding
影响因素编码水平
-101
吸附时间/minA210240270
pHB2.533.5
褐煤残渣投加量/gC0.080.10.12