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.

利用零价铁质,将难物降解有机物硝基苯先成亚硝基苯,然后再进一步成可物降解苯胺。