微生物在锰地球化学循环中的作用和机理

Mechanism and Application of Microbe-manganese Oxidation and Deoxidization

Mn(Ⅱ)进入地表和水体后被氧化成种类繁多的锰矿物,锰还原反应将固态锰盐及锰的氧化物(MnOx,x≤2)中的Mn3+、Mn4+氧化态转变为还原态的Mn2+。介绍了微生物参与的锰氧化反应和锰还原反应的过程,以及微生物在锰氧化还原反应过程中的作用、机理及应用。探讨了对锰的微生物氧化还原的自然现象和规律进行研究的重要意义。

Mn（Ⅱ） is oxidized to various manganese minerals when it enters the earth＇s surface and waters,and manganese deoxidization transfers oxidization state Mn3＋,Mn4＋ in manganese salts and manganese oxides（MnOx,x≤2） into deoxidization state Mn2＋.The process of microbe-manganese oxidization and deoxidization and its role,mechanism and application are introduced.The significance of the research on the natural phenomenon and laws of microbe-manganese oxidization and deoxidization is discussed.