孔结构对活性炭吸附水溶液中铅离子的影响

杨洁扬,黄张根,韩小金,景文,曾泽泉

Effect of Activated Carbon Pore Structure on the Adsorption of Pb(II) from Aqueous Solution

Jie-Yang. YANG,Zhang-Gen. HUANG,Xiao-Jin. HAN,Wen. JING,Ze-Quan. ZENG

表3 三种活性炭的孔容

Table 3 Pore volumes of the three ACs

Pore Pore diameter range/nm Pore volume/(cm3·g-1) AC1 AC2 AC3 micropore 0.4-0.6 0.1081 0.1527 0.0770 0.6-1.0 0.0729 0.0735 0.0202 1.0-1.4 0.0655 0.0382 0.0057 1.4-1.7 0.0480 0.0173 0.0040 1.7-2.0 0.0263 0.0073 0.0015 mesopore 2.0-2.5 0.0410 0.0074 0.0039 2.5-3.3 0.0354 0.0111 0.0088 3.3-5.2 0.0580 0.0202 0.0228 5.2-10.0 0.0309 0.0041 0.0191 10.0-20.0 0.0142 0.0023 0.0143 20.0-55.6 0.0082 0.0025 0.0104