birnessite相关论文
Birnessite是一种二维层状锰氧化物,具有很好的离子交换性能、吸附性能和催化性能,同时也可以作为前驱体,制备出催化活性更高的氧......
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Highly Enhanced Arsenic(Ⅲ)Oxidation at Surface of δ-MnO2in thePresence of Pyrophosphate at Circumneu
Birnessite(δ-MnO2)is the most popular manganese oxide in soil and sediment and plays an important role in the migration......
Single phase and well-crystallined todorokite were synthesized by heating and refluxing process from birnessite as a pre......
Mn-based rechargeable aqueous zinc-ion batteries (ZIBs) are highly promising because of their high operating voltages, a......
Chromium(Cr)-contaminated soils pose a great environmental risk, with high solubility and persistent leaching of Cr(Ⅵ).......
Oxidation of diclofenac by birnessite: Identification of products and proposed transformation pathwa
Diclofenac (DCF),a widely used non-steroidal anti-inflammatory,reacted readily with birnessite under mild conditions,and......
Reduction behaviors of permanganate by microbial cells and concomitant accumulation of divalent cati
Permanganate treatment is widely used for disinfection of bacteria in surface-contaminated water.In this paper,the fate ......
Preparation of birnessite-supported Pt nanoparticles and their application in catalytic oxidation of
Flaky and nanospherical bessite and bessite-supported Pt catalysts were successfully prepared and characterized by means......
The characteristics of Pb2+ adsorption on the surface of bessites with different average oxidation states (AOS) of Mn, s......
The oxidation of exposed pyrite causes acid mine drainage, soil acidification, and the release of toxic metal ions. As t......
Photoelectrochemical performance of birnessite films and photoelectrocatalytic activity toward oxida
Bessite films on fluorine-doped tin oxide (FTO) coated glass were prepared by cathodic reduction of aqueous KMnO4.The de......
Coordination geometry of Zn2 + on hexagonal turbostratic birnessites with different Mn average oxida
Hexagonal turbostratic bessite,with the characteristics of high contents of vacancies,varying amounts of structural and ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Birnessite is a common weathering and oxidation product of manganese-bearing rocks. An O2 oxidation procedure of Mn(OH)2......
Birnessite occurs in a wide variety of natural environments, and plays an important role in soil chemistry.A modified St......
Preparation of birnessite-supported Pt nanoparticles and their application in catalytic oxidation of
Flaky and nanospherical birnessite and birnessite-supported Pt catalysts were successfully prepared and characterized by......
The characteristics of Pb2+ adsorption on the surface of birnessites with different average oxidation states (AOS) of Mn......
Birnessite occurs in a wide variety of natural environments, and plays an important role in soil chemistry.A modified St......
采用X-射线吸收精细结构光谱(XAFS)研究了Pb^2+在不同锰氧化度的水钠锰矿表面的吸附形态,通过比较其吸附形态的差异,进一步探讨Pb^2+在水......
为了了解水钠锰矿八面体空位的具体分布状况以及表面化学性质,采用X线光电子能谱技术(XPS)对不同锰氧化度水钠锰矿表面Mn与O元素的化......
研究了锑(Ⅲ)在合成性δ态-二氧化锰表面之间发生的氧化反应动力学过程,当pH=5.4时,锑(Ⅲ)的吸附和氧化速率很快.氧化产物锑(Ⅴ)释......
本试验研究了一种合成水钠锰矿对Mn~(2+)的持留机理和Mn~(2+)被吸附后的去向,并进一步探讨了三种锰盐溶液(MnSO_4,MN(NO_3)_2和MnC......
综述了Birnessite型、负载型层状锰氧化物的结构特点、制备方法、应用现状等,重点介绍了各种制备方法的优缺点,并展望了层状锰氧化物......
综述了Birnessite型、负载型层状锰氧化物的结构特点、制备方法、应用现状等,重点介绍了各种制备方法的优缺点,并展望了层状锰氧化物......
高锰酸钾与盐酸在100℃回流反应制备层状水钠锰矿,改变盐酸用量调控水钠锰矿的锰平均氧化度(AOS),即Mn(Ⅳ)与Mn(Ⅲ)的相对含量。采用X射......
用批量法研究了Mn平均氧化度分别为4.02、3.85和3.70的碱性水钠锰矿对As(Ⅲ)和Cr(Ⅲ)氧化的动力学特性.结果表明,碱性水钠锰矿氧化As(Ⅲ......
The thin layers of birnessite (Mn7O13?5H2O) are exposed to reactive species gliding arc plasma in humid air, which induc......
The synthesis of a novel birnessite structure manganese oxide, Cs0.24MnO2, via a modified sol-gel route is reported in t......
锰氧化物材料具有优越的离子交换性能、吸附性能和氧化性能,在可充锂电池、环保、高级分离技术、催化等领域有重要的潜在应用价值,......
Layered Birnessite Cathode with a Displacement/ Intercalation Mechanism for High-Performance Aqueous
Mn-based rechargeable aqueous zinc-ion batteries(ZIBs)are highly promising because of their high operating voltages,attr......
采用MnO4^-和Mn^2+在强碱性条件下制得层状结构的Mg-Birnessite,用XRD(X射线多晶粉末衍射)、FT-IR(傅里叶红外光谱)、TG-DTG/DTA(热失重-微商热失重/热分析)等方法对它进行了表征。Mg-Birnessite在200 ̄400℃时......
本文主要研究的内容是:应用水热法向birnessite中插入各种过渡金属氧化物,制备出一系列双晶格不匹配层状过渡金属-锰氧化物,旨在进......