水钠锰矿

水钠锰矿吸附Pb~（2+）微观机理的研究

Study on Microcosmic Mechanism of Pb ~ ( 2 + ) Adsorption on Birnessite

水钠锰矿的锰氧化度与Pb~（2+）吸附量的关系

Relation Between Average Oxidation State of Mn of Birnessite and the Amount of Pb ~ ( 2 + ) Adsorbed

结合热重和成分分析，通过改变水钠锰矿的热处理温度，得到了不同层间水含量的电极。

Combining TG and component analysis , the birnessite with different layered water content could be prepared by changing the temperature of heat treatment .

用氧化还原平衡法研究了水钠锰矿、钙锰矿和黑锰矿等三种不同结构类型氧化锰矿物对As（Ⅲ）的氧化特性，以及针铁矿对上述氧化的影响。

Oxidation characteristics of As (ⅲ) by three types of manganese oxide minerals and effects of presence of goethite were investigated by equilibrium technique of redox reaction .

本文首先介绍了自然界中存在的氧化锰矿物类型，以及大洋铁锰结核和富钴结壳中的主要锰矿物相水钠锰矿和水羟锰矿的结构、构造特点。

This paper , firstly , introduces the types of manganese in the nature and the characteristics of the structure and formation of vernadite and birnessite in the ferromanganese nodules and cobalt-rich crusts .