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 2 电阻加热活化过硫酸盐耦合修复实验工况设计

Tab.2 Design of electrical resistance heating activated persulfate coupling repair experimental conditions

实验组 土壤类型 w(PFOA) / 10-9 X/g θ0/℃ t/h Y/g A-1 壤土 500 50 100 6 0 A-2 黏土(pH=6.3) 500 50 100 6 0 A-3 砂土 500 50 100 6 0 B-1 黏土 500 0 100 6 0 B-2 黏土 500 12.5 100 6 0 B-3 黏土 500 100 100 6 0 C-1 黏土(pH=2.4) 500 50 100 6 0 C-2 黏土(pH=11.8) 500 50 100 6 0 D-1 黏土 500 50 100 6 10 D-2 黏土 500 50 100 6 30 D-3 黏土 500 50 100 6 50 E-1 黏土 500 100 100 1/6 0 E-2 黏土 500 100 100 0.5 0 E-3 黏土 500 100 100 1 0 E-4 黏土 500 100 100 2 0 E-5 黏土 500 100 100 3 0