N掺杂生物炭的制备及其对Co2+ 的吸附性能

N掺杂生物炭的制备及其对Co²⁺ 的吸附性能

余谟鑫, 张书海, 朱博文, 张晨, 王晓婷, 鲍佳敏, 邬翔

Preparation of Nitrogen-doped Biochar and its Adsorption Capacity for Co²⁺

YU Moxin, ZHANG Shuhai, ZHU Bowen, ZHANG Chen, WANG Xiaoting, BAO Jiamin, WU Xiang

表1 NBC _x 比表面积和孔隙结构参数

Table 1 Specific surface area and pore structure parameters of NBC _x

Samples	D_ap /nm	S_BET /m²·g^-1	S_mic /m²·g^-1	V_t /cm³·g^-1	V_mic /cm³·g^-1	Non-V_mic/V_t
NBC₆₀₀	4.58	33	18	0.03	0.02	0.33
NBC₇₀₀	3.42	69	48	0.05	0.03	0.40
NBC₈₀₀	5.68	32	15	0.04	0.01	0.75
NBC₈₀₀-Co²⁺	4.00	325	249	0.30	0.15	0.50