电阻加热活化过硫酸盐修复全氟辛酸污染土壤

邬刘涛,詹明秀,付建英,焦文涛,单永平,张晨琛,徐旭

Electrical resistance heating activated persulfate for remediation of perfluorooctanoic acid-contaminated soil

Liu-tao WU,Ming-xiu ZHAN,Jian-ying FU,Wen-tao JIAO,Yong-ping SHAN,Chen-chen ZHANG,Xu XU

表 1 经风干、研磨和过筛处理后3种实验土壤的基本性质

Tab.1 Basic properties of three test soils after air drying, grinding and screening

土壤类型 wom/% pH R0/% s/(m2·g−1) c/(J·g−1·℃−1) Φ/% d<0.002 mm 0.002 $ \leqslant {{d}} \leqslant $0.020 mm 0.020 $ < {{d}} \leqslant $2.000 mm 壤土 0.318 7.75 14.37 31.95 53.68 11.248 0.84 24.2 砂土 0.278 8.31 5.80 1.60 92.60 8.501 0.82 17.7 黏土 0.518 7.28 46.01 14.00 39.99 22.943 0.88 30.4