By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁还原性质,将难生有硝基苯先还原生成亚硝基苯,然后再进一步还原成可生苯胺。