Relevant bibliographies by topics / Manganese (IV) Oxide

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Manganese (IV) Oxide'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 April 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Manganese (IV) Oxide.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Manganese (IV) Oxide"

1

Young, Jay A. "Manganese(IV) Oxide." Journal of Chemical Education 78, no. 10 (October 2001): 1327. http://dx.doi.org/10.1021/ed078p1327.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Lynch, Sheridan, Genevieve Lynch, Will E. Lynch, and Clifford W. Padgett. "Crystal structures of four dimeric manganese(II) bromide coordination complexes with various derivatives of pyridine N-oxide." Acta Crystallographica Section E Crystallographic Communications 75, no. 8 (July 30, 2019): 1284–90. http://dx.doi.org/10.1107/s2056989019010557.

Full text
Abstract:
Four manganese(II) bromide coordination complexes have been prepared with four pyridine N-oxides, viz. pyridine N-oxide (PNO), 2-methylpyridine N-oxide (2MePNO), 3-methylpyridine N-oxide (3MePNO), and 4-methylpyridine N-oxide (4MePNO). The compounds are bis(μ-pyridine N-oxide)bis[aquadibromido(pyridine N-oxide)manganese(II)], [Mn2Br4(C5H5NO)4(H2O)2] (I), bis(μ-2-methylpyridine N-oxide)bis[diaquadibromidomanganese(II)]–2-methylpyridine N-oxide (1/2), [Mn2Br4(C6H7NO)2(H2O)4]·2C6H7NO (II), bis(μ-3-methylpyridine N-oxide)bis[aquadibromido(3-methylpyridine N-oxide)manganese(II)], [Mn2Br4(C6H7NO)4(H2O)2] (III), and bis(μ-4-methylpyridine N-oxide)bis[dibromidomethanol(4-methylpyridine N-oxide)manganese(II)], [Mn2Br4(C6H7NO)4(CH3OH)2] (IV). All the compounds have one unique MnII atom and form a dimeric complex that contains two MnII atoms related by a crystallographic inversion center. Pseudo-octahedral six-coordinate manganese(II) centers are found in all four compounds. All four compounds form dimers of Mn atoms bridged by the oxygen atom of the PNO ligand. Compounds I, II and III exhibit a bound water of solvation, whereas compound IV contains a bound methanol molecule of solvation. Compounds I, III and IV exhibit the same arrangement of molecules around each manganese atom, ligated by two bromide ions, oxygen atoms of two PNO ligands and one solvent molecule, whereas in compound II each manganese atom is ligated by two bromide ions, one O atom of a PNO ligand and two water molecules with a second PNO molecule interacting with the complex via hydrogen bonding through the bound water molecules. All of the compounds form extended hydrogen-bonding networks, and compounds I, II, and IV exhibit offset π-stacking between PNO ligands of neighboring dimers.
APA, Harvard, Vancouver, ISO, and other styles
3

Flisyuk, Oleg M., Dar'ya A. Novikova, Sergey A. Panasenko, and Nikolay A. Martsulevich. "DETERMINATION OF OPTIMAL CONDITIONS FOR EFFECTIVE ABSORPTION OF NITROGEN AND SULFUR OXIDES BY IRON-MANGANESE CONCRETIONS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no. 11 (November 20, 2019): 150–55. http://dx.doi.org/10.6060/ivkkt.20196211.6015.

Full text
Abstract:
Iron-manganese concretions (IMC) absorption characteristic and composition of the material was studied. The active component in it is manganese (IV) oxide MnO2. A method is proposed for using a suspension of iron-manganese concretions ore to capture industrial emissions: nitrogen oxide (II) NO and sulfur oxide (IV) SO2. This method involves the reaction of the absorption of nitrogen oxide (II) NO by manganese (IV) oxide MnO2 in the presence of nitric acid HNO3. The formation of manganese nitrate Mn(NO3)2 occurs. Also, the reaction of the absorption of sulfur oxide (IV) SO2 by manganese (IV) oxide MnO2 with the formation of manganese sulfate MnSO4 takes place. Special installations for research and development of the process of sorption were developed. The results of experimental studies of the sorption process of nitrogen oxide (II) NO and sulfur oxide (IV) SO2 by a suspension based on IMC are presented. The main parameters of the influence on the process of the system operation are indicated: time for reaching a constant mode, temperature of the working suspension, method of mixing. Tables and figures are given showing the experimental results of the processes with various factors of influence. Optimal conditions for maximum efficient conduction of nitrogen oxide and sulfur dioxide absorption process were determined for adsorption of these gases to 85% and 99%, respectively, from the model mixtures that corresponds to the waste gases. Comparative analysis of sorption processes of NO and SO2 was performed.
APA, Harvard, Vancouver, ISO, and other styles
4

Midgley, Derek, and Dennis E. Mulcahy. "The manganese(IV) oxide electrode as a manganese(II) sensor." Talanta 32, no. 1 (January 1985): 7–10. http://dx.doi.org/10.1016/0039-9140(85)80004-7.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Eckert, James M., and Jason G. Hajinakitas. "Selective coprecipitation of colloidal manganese(IV) oxide." Analytica Chimica Acta 315, no. 1-2 (October 1995): 239–42. http://dx.doi.org/10.1016/0003-2670(95)00294-a.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Cerri, Jose Alberto, Edson Roberto Leite, Douglas Gouvêa, Elson Longo, and Jose Arana Varela. "Effect of Cobalt(II) Oxide and Manganese(IV) Oxide on Sintering of Tin(IV) Oxide." Journal of the American Ceramic Society 79, no. 3 (April 13, 2005): 799–804. http://dx.doi.org/10.1111/j.1151-2916.1996.tb07949.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Lennartson, Anders, and Christine J. McKenzie. "Oxidation of a dinuclear manganese(II) complex to an oxide-bridged dimanganese(IV) complex." Acta Crystallographica Section C Crystal Structure Communications 68, no. 12 (November 9, 2012): m347—m352. http://dx.doi.org/10.1107/s0108270112043296.

Full text
Abstract:
Bis{μ-2-[bis(pyridin-2-ylmethyl)amino]acetato}bis[diaquamanganese(II)] bis(trifluoromethanesulfonate) monohydrate, [Mn2(C14H14N3O2)2(H2O)4](CF3O3S)2·H2O, (I), and bis{μ-3-[bis(pyridin-2-ylmethyl)amino]propionato}bis[aquamanganese(II)] bis(trifluoromethanesulfonate) dihydrate, [Mn2(C15H16N3O2)2(H2O)2](CF3O3S)2·2H2O, (II), form binuclear seven-coordinate complexes. Oxidation of (II) with ammonium hexanitratocerate(IV), (NH4)2[Ce(NO3)6], gave the oxide-bridged dimanganese(IV) complex di-μ-oxido-bis(bis{3-[bis(pyridin-2-ylmethyl)amino]propionato}manganese(IV)) bis[triaquatetranitratocerate(IV)], [Mn2O2(C15H16N3O2)2][Ce(NO3)4(H2O)3]2, (III). The manganese complexes in (II) and (III) sit on a site of \overline{1} symmetry.
APA, Harvard, Vancouver, ISO, and other styles
8

Hamada, Shuichi, Yoshiyuki Kudo, Junji Okada, and Hitomi Kano. "Preparation of monodispersed manganese (IV) oxide particles from manganese (II) carbonate." Journal of Colloid and Interface Science 118, no. 2 (August 1987): 356–65. http://dx.doi.org/10.1016/0021-9797(87)90470-x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Konkol, Izabela, Jan Cebula, and Adam Cenian. "Oxidization of hydrogen sulfide in biogas by manganese (IV) oxide particles." Environmental Engineering Research 26, no. 2 (April 16, 2020): 190343–0. http://dx.doi.org/10.4491/eer.2019.343.

Full text
Abstract:
Hydrogen sulphide is corrosive to most metallic equipment such as pipelines, compressors, gas storage tanks, engines, turbines and other units. It acts as a strong poison for fuel cells and its combustion leads to SO2 emissions. Due to the problems associated with hydrogen sulphide, it is critical to remove it from biogas before further processing. The removal of hydrogen sulphide from biogas using MnO2, which acts as a sorbent and catalyst, was investigated. The research was conducted in a full-scale agriculture biogas plant using chicken manure and maize silage as substrate. The manganese dioxide (manganese (IV) oxide) was derived from the waste products of a water conditioning system, after manganese removal from drinking water. The obtained results showed significantly better adsorption of hydrogen sulphide and faster regeneration of the bed compared to the bed filled with hydrated iron oxides. The H2S concentration in the treated biogas dropped from about 1,650 to 0-5 ppm.
APA, Harvard, Vancouver, ISO, and other styles
10

Bellesia, Franco, Franco Ghelfi, Ugo M. Pagnoni, and Ariano Pinetti. "Oxidation of Thioethers by Manganese(IV) Oxide-Trimethylchlorosilane." Synthetic Communications 23, no. 12 (June 1993): 1759–69. http://dx.doi.org/10.1080/00397919308011274.

Full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Manganese (IV) Oxide"

1

Trupiano, Vito. "EVALUATION OF OXIDIZED MEDIA FILTRATION PROCESSES FOR THE TREATMENT OF HYDROGEN SULFIDE IN GROUNDWATER." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3026.

Full text
Abstract:
This study evaluated alternative sulfide treatment processes for potable water systems that rely on groundwater supplies. Research for this study was conducted at the Imperial Lakes (IL) and Turner Road (TR) water treatment plants (WTPs) in Polk County, Florida. These WTPs are in the process of refurbishment and expansion, and will require the installation of a new groundwater well. The IL and TR WTPs both rely upon groundwater sources that contain total sulfide at concentrations ranging from 1.4 to 2.6 mg/L. Sulfide is a concern because if left untreated it can impact finished water quality, corrosivity, create undesirable taste and odor, and oxidize to form visible turbidity. For this reason, the raw water will require treatment per Florida Department of Environmental Protection (FDEP) "Sulfide Rule" 62-555.315(5)(a). This rule does not allow the use of conventional tray aeration (currently in use at the IL and TR WTPs) for wells that have significant total sulfide content (0.6 to 3.0 mg/L). This research was commissioned because the potential water treatment method identified in the Sulfide Rule (i.e. forced-draft aeration) would not adequately fit within the confines of the existing sites and would pose undue burden to neighboring residents. In addition, an effective sulfide treatment process was desired that offered a low profile, did not necessitate the need for additional complex chemical feed systems, minimized the extent of electrical infrastructure upgrades, and was inexpensive to construct and operate. To meet these goals, several alternative technologies were evaluated at the desktop and bench-scale; these included anion exchange, various oxidation methods, and alternative media filtration processes. From that effort, several processes were selected for evaluation at the pilot scale: bleach (NaOCl) oxidation preceding electromedia filtration; manganese (IV) oxide (MnO2) filtration continuously regenerated with bleach; and ferrate (Fe(VI)) oxidation. Electromedia and MnO2 filtration were shown to be effective for total sulfide treatment. Both processes reduced total sulfide content to below detection levels (< 0.1 mg/L) for groundwater supplies containing as much as 2.6 mg/L of total sulfide. The use of bleach oxidation ahead of media filtration also produced finished water with low turbidity (< 1.0 NTU) as compared to conventional tray aeration and chlorination processes (6-16 NTU, as observed in this study). It was determined that the media filtration approach (electromedia and MnO2) was effective for sulfide treatment and met the County's site objectives established at the outset of the project. Ferrate was also shown to reduce total sulfide content to below detection levels (< 0.1 mg/L) for groundwater supplies containing as much as 2.6 mg/L of total sulfide. An opinion of probable capital costs for installing a sulfide oxidation/filtration process at either the Imperial Lakes or Turner Road WTP was estimated to range from roughly $830,000 to $1,100,000. That equates to a $/kgal capital cost of $0.10 to $0.32 (at 8% for 20 years). An opinion of annual probable bleach chemical costs was estimated to range from $3,500 to $9,800 for the IL WTP and $3,500 to $5,800 for the TR WTP.
M.S.Env.E.
Department of Civil and Environmental Engineering
Engineering and Computer Science
Environmental Engr MSEnvE
APA, Harvard, Vancouver, ISO, and other styles
2

Marciniuk, Gustavo. "PREPARAÇÃO DE COMPÓSITOS TERNÁRIOS FORMADOS POR ÓXIDO DE METAL DE TRANSIÇÃO/POLÍMERO CONDUTOR/CARBONO AMORFO PARA APLICAÇÃO EM SUPERCAPACITORES." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2014. http://tede2.uepg.br/jspui/handle/prefix/2123.

Full text
Abstract:
Made available in DSpace on 2017-07-24T19:38:12Z (GMT). No. of bitstreams: 1 Gustavo Marciniuk.pdf: 9151594 bytes, checksum: 94a7264c77b0567f7224ef931267fdab (MD5) Previous issue date: 2014-03-11
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This work refers to the development of a simple and innovative method for the synthesis of ternary composites of different proportions based on amorphous carbon, polyaniline and manganese (IV) oxide for their future use in electrochemical supercapacitors. The process presented here consists, essentially, of 3 parts: (i) at first, it has been performed the oxidative treatment of amorphous carbon and the separated synthesis of pure MnO2 and polyaniline, when all the materials involved were structurally characterized by XRD, FTIR, RAMAN, DLS and SEM, and electrochemically characterized by cyclic voltammetry measurements, in order to identify its structural, morphological and electrochemical properties and then compared with those presented by the future ternary composites; (ii) synthesis of a binary C/MnO2 composite by the anchoring of the MnO2 particles on the oxidized sites of the amorphous carbon, which represents the first stage on the formation of the ternary composites. Its purpose was to identify possible structural and electrochemical changes caused by MnO2 surface layer in the comparison of the binary composite with its individual components. Therefore, this composite was characterized by the same methods mentioned above; (iii) synthesis and characterization of ternary composites on different proportions, based on the initial formation of binary C/MnO2 followed by in situ polymerization of aniline monomers on their surface structure. The purpose of the synthesis in different proportions is to obtain a response profile when small changes in the quantity of the constituent materials are introduced in the ternary composites. The characterization of the ternary composites were carried out by XRD, FTIR, RAMAN, DLS and SEM, which allow to identify possible structural and morphological changes showed by composites compared to the individual components and, by cyclic voltammetry measurements, when it was possible to notice the electrochemical behavior of these composites and define their specific capacitance values in parallel to their processes of charge storage and ions diffusion.
Neste trabalho, buscou-se desenvolver uma metodologia simples e inovadora para a síntese de compósitos ternários de diversas proporções baseados em carbono amorfo, polianilina e óxido de manganês (IV) visando sua futura utilização em supercapacitores eletroquímicos. O trabalho consiste basicamente de 3 partes; (i) inicialmente realizou-se o tratamento oxidativo do carbono amorfo e a síntese individual dos compostos MnO2 e PAni, onde todos os materiais foram caracterizados estruturalmente por DRX, FTIR, RAMAN, DLS e MEV e eletroquimicamente por medidas de voltametria cíclica, afim identificar suas propriedades estruturais, morfológicas e eletroquímicas e compará-las com as apresentadas pelos futuros compósitos ternários; (ii) síntese de um compósito binário C/MnO2 pelo ancoramento das partículas de MnO2 sobre sítios oxidados do carbono amorfo, a qual configura a 1ª etapa da formação dos compósitos ternários. Sua finalidade foi de identificar as possíveis mudanças estruturais e eletroquímicas ocasionadas pela presença da camada superficial de MnO2 quando comparado o compósito binário aos seus componentes individuais. Para tanto, este compósito foi caracterizado pelos mesmos métodos apresentados acima; (iii) síntese e caracterização de compósitos ternários de diferentes proporções baseados na inicial formação do binário C/MnO2 seguido da polimerização in situ dos monômeros de anilina sobre sua estrutura superficial. A abordagem da síntese em diferentes proporções torna possível a obtenção de um perfil de resposta quando são introduzidas nos compósitos ternários pequenas modificações na quantidade dos materiais constituintes. A caracterização dos compósitos ternários foi realizada pelas técnicas de DRX, FTIR, RAMAN, DLS e MEV, as quais permitem identificar possíveis mudanças estruturais e morfológicas apresentadas pelos compósitos frente aos componentes individuais, e, por medidas de voltametria cíclica, onde foi possível observar o comportamento eletroquímico destes compósitos e definir seus valores de capacitância específica juntamente com seus processos de armazenamento de carga e difusão de íons.
APA, Harvard, Vancouver, ISO, and other styles
3

Thiel, Philipp [Verfasser]. "Calcium Manganese(IV) Oxides for Thermoelectric Power Conversion / Philipp Thiel." München : Verlag Dr. Hut, 2015. http://d-nb.info/1080754431/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Oliveira, Marcelo Ganzarolli de 1959. "Caracterização de oxidos de manganes (IV) suportados em polietileno." [s.n.], 1987. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250278.

Full text
Abstract:
Orientador : Fernando Galembeck
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-07-15T02:43:26Z (GMT). No. of bitstreams: 1 Oliveira_MarceloGanzarollide_M.pdf: 5414862 bytes, checksum: ac1e1a424833166344d71a78fa984a52 (MD5) Previous issue date: 1987
Mestrado
APA, Harvard, Vancouver, ISO, and other styles
5

Dinh, Thi Ty Mai. "Développement de filières technologiques pour la réalisation de micro-supercondensateurs intégrés sur silicium." Toulouse 3, 2014. http://thesesups.ups-tlse.fr/2724/.

Full text
Abstract:
Les récents progrès de la micro-électronique ont permis, au cours de la dernière décennie, un développement des systèmes embarqués, particulièrement, les réseaux de capteurs autonomes sans fil. Les nombreuses applications qui en découlent (optimisation des procédés industriels, suivi de trafic, surveillance de l'environnement, de structures, médicale. . . ) ont attiré, ces dernières années, l'attention des chercheurs et des investisseurs. L'un des principaux défis limitant la mise en œuvre de ces réseaux de capteurs reste l'autonomie énergétique. Des solutions ont été proposées, notamment la récupération et le stockage de l'énergie présente dans l'environnement du capteur afin d'obtenir un système énergétiquement indépendant. Le stockage est actuellement principalement assuré par des micro-batteries. Ces dispositifs possèdent cependant une faible puissance, une durée de vie limitée et un domaine de fonctionnement en températures restreint. L'utilisation de micro-supercondensateurs, alternative ou complémentaire aux micro-batteries, permettrait de s'affranchir de ces limitations. Dans le cadre de ces travaux de thèse, nous nous sommes focalisés sur le développement de filières technologiques pour réaliser des micro-supercondensateurs intégrés sur silicium, possédant de bonnes performances en termes de densité de puissance et d'énergie, de tension d'utilisation, de taille et de durée de vie. Des micro-supercondensateurs performants et de forte résolution ont été obtenus au cours de cette thèse. Des électrolytes innovants sous forme de gels ont permis d'élaborer des micro-dispositifs tout solides, pouvant être produit à grande échelle. Des capacités spécifiques énormes ont par ailleurs été obtenues en combinant des matériaux de forte surface spécifique à des matériaux de forte capacité spécifique au sein d'une électrode. Enfin, des micro-supercondensateurs asymétriques ont été élaborés, permettant d'élargir la fenêtre de potentiel d'opération et, par conséquent, d'améliorer la densité d'énergie des micro-dispositifs
The recent advances in microelectronics have led, during the last decade, to the development of embedded systems, particularly wireless sensor networks. Many applications of these systems (industrial process optimization, traffic and environmental monitoring. . . ) have attracted the attention of researchers and investors. One of the main challenges limiting the implementation of these wireless sensor networks remains the autonomy of energy. Harvesting micro-devices extracting renewable energy from various ambient environmental sources (thermal, mechanical, solar energy) have received in this sense an increasing research interest in recent years, with the objective to obtain autonomous self-powered systems. The harvested energy is usually stored in micro-batteries. However, these devices have low power, limited lifetime and restricted operation temperatures. The use of micro-supercapacitors, as an alternative or a complementary device to micro-batteries, could overcome these limitations. In this thesis, we have focused on the development of technological fields to realize on-chip micro-supercapacitors, with good properties in terms of power and energy density, operating voltage, size and lifetime. High resolution micro-supercapacitors with high performance have been obtained in this thesis. Innovative electrolytes as gels allowed to develop all-solid-state micro-devices, which can be produced on a large scale. Ultra-high specific capacitance has been also obtained by combining materials of high specific surface and materials of high specific capacitance within an electrode. Finally, asymmetric micro-supercapacitors have been developed for extending the potential window and, therefore, improving the energy density of the micro-devices
APA, Harvard, Vancouver, ISO, and other styles
6

Brandão, Mariette Sueli Baggio. "Um novo absorvente de ions de metais pesados : o copmposito oxido de manganes (IV)/acetato de celulose fibroso." [s.n.], 1988. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249772.

Full text
Abstract:
Orientador : Fernando Galembeck
Dissertação (Mestrado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-07-14T06:30:59Z (GMT). No. of bitstreams: 1 Brandao_MarietteSueliBaggio_M.pdf: 8305126 bytes, checksum: 14cf36d2469e5a97178a83816356867a (MD5) Previous issue date: 1988
Mestrado
APA, Harvard, Vancouver, ISO, and other styles
7

Goldblatt, Nicholas Zalmon. "The characterisation of manganese (IV) compounds and the study of the thermal decomposition of potassium chlorate alone and with Mn(IV) and other oxides and salts." Thesis, Brunel University, 1998. http://bura.brunel.ac.uk/handle/2438/5260.

Full text
Abstract:
Manganese dioxide compounds are preferred curing agents for Polysulphide resins used as sealants in industry. These are required to have consistent setting characteristics and the investigation was initiated to characterise a number of proffered compounds of this type an to establish criteria by which an informed choice could be made of an optimum curing ages for a specific set of conditions. Several different chemical and physical properties were examined and critical parameters were established. A compound - sodium birnessite- was identified as a significant agent in the determination of curing properties. It was synthesised and its curing properties alone and in combination with other manganese dioxide compounds was evaluated. In an effort to find a specific reaction which might be used to characterise manganese dioxide curing agents it was decided to examine the classical reaction between these compounds and potassium chlorate. A literature search revealed major contradictions in the reported conditions under which potassium chlorate undergoes thermal decomposition as result of which it was decided to study the decomposition of potassium chlorate alone and in the presence of manganese dioxide and other catalysts. During this investigation a hitherto unreported high temperature structural change in potassium chlorate at 341° C was identified. The existence of this reversible change was confirmed by Powder Diffraction X-Ray analysis and an orthorhombic (near tetragonal) more open structure was assigned to it. It is suggested that the rapid decomposition of potassium chlorate in the solid state presence of catalysts is related to this change to a more open structure.
APA, Harvard, Vancouver, ISO, and other styles
8

Villinski, John Eugene. "Reductive dissolution of manganese (IV) oxides and precipitation of iron (III) : implications for redox processes in an alluvial aquifer affected by acid mine drainage." Diss., The University of Arizona, 2001. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_2001_96_sip1_w.pdf&type=application/pdf.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Scott, Michael James. "Kinetics of adsorption and redox processes on iron and manganese oxides : reactions of As(III) and Se(IV) at goethite and birnessite surfaces." Thesis, 1991. https://thesis.library.caltech.edu/4817/1/Scott_mj_1991.pdf.

Full text
Abstract:
NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document. Selenium and arsenic are naturally-occurring, non-metallic elements with complex chemical and biological behavior in aquatic environments. In this study, rates and mechanisms of adsorption, desorption, and electron transfer reactions involving selenium and arsenic oxyanions and two naturally occurring metal oxides, goethite ([...]-FeOOH) and birnessite ([...]-MnO2), have been investigated. Adsorption of Se(IV), As(III), and As(V) on goethite and of Se(IV) and As(III) on birnessite occurs within a time scale of minutes. Equilibrium is achieved within a few hours. Adsorption behavior can be described accurately with a surface complexation model. Goethite does not oxidize Se(IV) or As(III) in solution at pH .4 and above. However, redox products (Mn(II), Se(VI), As(V)) are observed when Se(IV) or As(III) is added to aqueous suspensions of birnessite. In the arsenite-birnessite system, the rate of As(V) appearance in solution is equal to the rate of As(III) disappearance from solution while the appearance of Mn(II) in solution is slightly slower. In the selenite-birnessite system, uptake of Se(IV) occurs in minutes. Extent of adsorption decreases with increasing pH. The appearance of measurable Se(VI) occurs slowly (time scale of days to weeks) and is a function of adsorbed selenite. This indicates that the rate of selenite oxidation by birnessite is limited by the rate of electron transfer. Rate data from both arsenic and selenium redox systems are successfully described by a reversible four-step kinetic model that accounts for adsorption of the reduced species, electron-transfer, release of the oxidized species, and release of reduced Mn(II). The data suggest that iron oxides provide an adsorptive sink for mobile Se and As oxyanions, while manganese oxides play a major role in accelerating the oxidation of Se(IV) and As(III). Results on the rates of key chemical processes affecting selenium and arsenic should be useful in understanding complex geochemical cycles and in finding solutions to problems in pollutant transport and accumulation in water-sediment systems.
APA, Harvard, Vancouver, ISO, and other styles

Book chapters on the topic "Manganese (IV) Oxide"

1

von Angerer, S. "With Manganese(IV) Oxide." In Ketones, 1. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-026-00019.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Carreño, M. C., and M. Ribagorda. "Using Manganese(IV) Oxide." In Quinones and Heteroatom Analogues, 1. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-028-00650.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

lvarez, M., and J. A. Joule. "Using Manganese(IV) Oxide." In Six-Membered Hetarenes with One Nitrogen or Phosphorus Atom, 1. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-015-01267.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Austin, D. J., and S. M. Miller. "Manganese(IV) Oxide Promoted Oxidation." In Three Carbon-Heteroatom Bonds: Esters and Lactones; Peroxy Acids and R(CO)OX Compounds; R(CO)X, X=S, Se, Te, 1. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-021-00063.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Samanta, Prakas, Souvik Ghosh, and Tapas Kuila. "Manganese (IV) Oxide-Based Supercapacitors." In Reference Module in Earth Systems and Environmental Sciences. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-819723-3.00016-0.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Yoshimoto, F. K., and Q. Li. "Manganese(IV) Oxide Promoted Oxidative Dimerization." In Six-Membered Hetarenes with Two Identical Heteroatoms, 1. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-116-00545.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Wakefield, B. J. "Dehydrogenation with γ-Manganese(IV) Oxide." In Five-Membered Hetarenes with One Chalcogen and One Additional Heteroatom, 1. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-011-00409.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Subramanian, L. R. "By Oxidation with Manganese(IV) Oxide." In Three Carbon-Heteroatom Bonds: Nitriles, Isocyanides, and Derivatives, 1. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-019-00043.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Balci, M., M. Çelik, and M. S. Gültekin. "Oxidation of Phenols with Manganese(IV) Oxide." In Quinones and Heteroatom Analogues, 1. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-028-00088.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Balci, M., M. Çelik, and M. S. Gültekin. "Oxidation of Hydroquinones with Manganese(IV) Oxide." In Quinones and Heteroatom Analogues, 1. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-028-00107.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Manganese (IV) Oxide"

1

Sokolsky, G., S. Ivanov, E. Boldyrev, N. Ivanova, and L. Vasylechko. "Toward stimulated by defects functionality in manganese(IV) oxide materials." In 2014 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE). IEEE, 2014. http://dx.doi.org/10.1109/omee.2014.6912334.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Varsano, Francesca, Mariangela Bellusci, Carlo Alvani, Aurelio La Barbera, Franco Padella, and Luca Seralessandri. "Optimized Reactants Mixture and Products Hydrolysis in the Manganese Oxide Thermochemical Cycle." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90257.

Full text
Abstract:
A novel system composed by an aqueous slurry prepared by MnO and NaOH mixture was tested for the hydrogen production in the sodium manganese oxide thermochemical cycle. The hydrogen evolution occurs at lower temperature than conventional mixtures utilized in the cycle. Experiments performed in a Temperature Programmed Desorption/Reaction apparatus (TPD/TPR) have evidenced hydrogen production around 500°C. The hydrolysis step of α-NaMnO2 has been studied and the importance to conduct hydrolysis reaction under inert gas is discussed. A manganese disproportion mechanism is hypothesized to explain the appearance of manganese (II) and manganese (IV) containing phases.
APA, Harvard, Vancouver, ISO, and other styles
3

Belozerova, A. A., N. V. Pechishcheva, and K. Yu Shunyaev. "Sorption recovery of arsenic and antimony from nickel-containing solutions using manganese (IV) oxide." In THE 2ND INTERNATIONAL CONFERENCE ON PHYSICAL INSTRUMENTATION AND ADVANCED MATERIALS 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0032266.

Full text
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Manganese (IV) Oxide' for particular source types:
Journal articles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography