Mg/Ca浸渍改性生物炭去除废水中磷的研究

黄烽明, 潘小芳, 李兵, WEI Yu, 叶志隆

Study on phosphorus removal from wastewater by Mg/Ca impregnated modified biochar

Fengming HUANG, Xiaofang PAN, Bing LI, Yu WEI, Zhilong YE

表6 改性生物炭吸附磷前后XPS全谱图原子占比

Table 6 Atomic proportions of XPS full spectrum before and after phosphorus adsorption by modified biochars

生物炭 原子分数/% C 1s O 1s P 2p Mg 2p Ca 2p CBC-400 吸附前 73.92 24.21 0.12 — 1.74 吸附后 74.41 24.00 0.29 — 1.29 CBC-550 吸附前 80.91 16.92 0.14 — 2.02 吸附后 82.22 15.49 0.88 — 1.40 MBC-400 吸附前 62.75 31.70 0.10 5.44 — 吸附后 34.14 51.26 4.16 10.45 — MBC-550 吸附前 28.93 55.87 0.09 15.11 — 吸附后 35.01 49.85 2.59 12.56 —