亚铁离子(ferrous ion),金属阳离子,离子符号Fe2+。一般呈浅绿色,有较强的还原性,能与许多氧化剂反应,如氯气,氧气等。因此亚铁离子溶液最好现配现用,储存时向其中加入一些铁粉(铁离子有强氧化性,可以与铁单质反应生成亚铁离子) 亚铁离子也有氧化性,但是氧化性比较弱,能与镁、铝、锌等金属发生置换反应。
Coal pyrite sulfur can also be transformed into H_2SO_4 and coal pyrite sulfur content is reduced. Fe~(2+)/Fe~(3+) ions,produced in the reaction,then served as catalyst in the aqueous catalyzed oxidation of SO_2.
反应产生的亚铁离子和铁离子又对二氧化硫的氧化反应起到了催化剂的作用。
参考来源 - 煤浆法烟气脱硫添加剂的研究Microorganisms such as Acidithiobacillus ferrooxidans and Leptospirillumferrooxidans are the most studied acid mine drainage (AMD) organisms, they areiron-oxidizing species, catalyze ferrous iron oxidization, thus determine the rate ofsulfides dissolution, and play very important roles in AMD generation.
在酸性矿水(AMD)微生物中目前研究得最多的是Acidithiobacillus ferrooxidans和Leptospirillum ferrooxidans菌,研究认为它们是氧化细菌,能够催化亚铁离子的氧化,因此被认为能够决定硫化矿物的溶解速率,从而在AMD的产生过程中扮演着非常重要的角色。
参考来源 - 酸性矿水中微生物群落及其在黄铁矿表面的吸附·2,447,543篇论文数据,部分数据来源于NoteExpress
并探讨了亚铁离子的作用机理。
本文研究了丙二酸、邻菲罗啉亚铁离子和溴酸根离子之间反应的振荡现象。
Oscillatory features of the reaction between malonic acid, ferrous o-phenanthroline ion and bromate ion have been studied.
高铁血红蛋白:血红蛋白的氧化形式,含正铁离子而非亚铁离子,不能携带氧。
Methemoglobin — the oxidized form of hemoglobin, containing iron in the ferric rather than the ferrous state, that is incapable of binding oxygen.
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