NF/PDMA/MnO2-Co电容电极对低浓度Pb2+的电吸附特性

NF/PDMA/MnO₂-Co电容电极对低浓度Pb²⁺的电吸附特性

唐长斌, 牛浩, 黄平, 王飞, 张玉洁, 薛娟琴

Electrosorption Characteristics of NF/PDMA /MnO₂-Co Capacitor Electrode for Pb²⁺in a Dilute Solution of Lead Ions

TANG Changbin, NIU Hao, HUANG Ping, WANG Fei, ZHANG Yujie, XUE Juanqin

表3 三种电极Pb²⁺吸附的Weber-Morris参数

Table 3 Weber-Morris parameters of three electrode for Pb²⁺ adsorption

Electrodes	C₀/mg·L^-1	First linear portion				Second linear portion		Third linear portion
		K₁/mg·min^1/2·g^-1C₁			R²	K₂/mg·min^1/2·g^-1	C₂	R²	R²
NF/MnO₂-Co	20	2.171	-2.203	0.9653		2.628	-3.508	0.9987	Null
NF/PDMA	20	4.246	-4.976	0.9969		4.359	-4.729	0.9838	Null
NF/PDMA/MnO₂-Co	20	13.669	-17.407	0.9981		4.25	20.47	0.9847	Null