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.

利用零价铁原,难生物降解有机物硝基原生成亚硝基,然后再进一步原成可生物降解胺。