Mud composed of water with clay,zeolite,iron,calcium sulphate,etc is returned and infused to aquifer by the pressure to effectively control the nitrobenzene pervasion in groundwater.

• 以粘土、沸石、铁粉、硫酸钙等与水调配成泥浆,利用压力向井中回灌,将泥浆注入到含水层中,可有效地阻截地下水中硝基苯的扩散。