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Journal of Cleaner Production, ISSN 0959-6526, 03/2020, Volume 249, p. 119354
Currently, bioleaching of manganese (Mn) from Mn-poor ore (e.g. pyrolusite) is facing the challenges of low leaching efficiency and high cost of leachant and... 
Manganese dioxide | Pyrolusite | Manganese recovery | Bioleaching | Microbacterium trichothecenolyticum Y1 | Manganese oxide | RECOVERY | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | ENVIRONMENTAL SCIENCES | EXTRACTION | ENGINEERING, ENVIRONMENTAL | LOW-GRADE PYROLUSITE
Journal Article
Chemical Engineering and Processing - Process Intensification, ISSN 0255-2701, 01/2020, Volume 147, p. 107742
[Display omitted] •The fluidized roasting coupling technology is efficient.•The carbonaceous gold ore was used as the reductant in pyrolusite processing.•The... 
Pyrolusite | Manganese leaching | Roasting reduction process | Gold extraction | Carbonaceous gold | MATTER | ENERGY & FUELS | LOW-GRADE PYROLUSITE | SULFURIC-ACID | ENGINEERING, CHEMICAL | OXIDE ORE | VANADIUM | STONE COAL | BIOMASS | OPTIMIZATION | PYROLYSIS
Journal Article
JOM, ISSN 1047-4838, 10/2018, Volume 70, Issue 10, pp. 2008 - 2014
A new method was studied for extracting manganese from low-grade pyrolusite with H2SO4 roasting and subsequent water leaching. The mechanism of roasting and... 
Pyrolusite | Ion concentration | Ferric ions | Roasting | Leaching | Sulfuric acid | Manganese
Journal Article
Materials Chemistry and Physics, ISSN 0254-0584, 05/2019, Volume 230, pp. 207 - 214
Journal Article
Journal of Nuclear Materials, ISSN 0022-3115, 07/2013, Volume 438, Issue 1-3, pp. 261 - 267
We investigate the influence of MnO(2) polymorphism form on MnO(2)/Ag(2)O hydrogen getter. The results show that the performances strongly depend on the... 
Pyrolusite | Manganese oxides | Gettering | Hydroxyl groups | Polymorphism
Journal Article
Advanced Powder Technology, ISSN 0921-8831, 08/2018, Volume 29, Issue 8, pp. 1871 - 1878
Schematic of the development of phase transformation and morphology of low-grade pyrolusite during selective carbothermal reduction by microwave heating.... 
Pyrolusite | Phase transformation | Carbothermal reduction | Microwave heating | DIOXIDE | MANGANESE-ZINC FERRITE | LOW-GRADE PYROLUSITE | SULFURIC-ACID | FUEL-CELLS | HIGH TITANIUM SLAG | ENGINEERING, CHEMICAL | OXIDE ORE | NANOPARTICLES | MN3O4 | HYDROCHLORIC-ACID
Journal Article
Bioresource Technology, ISSN 0960-8524, 12/2019, Volume 294, p. 122217
••Dielectric properties of pyrolusite-biomass mixtures were measured.••Microwave heating characteristics of pyrolusite-biomass mixtures were... 
Microwave heating | Heating characteristics | Dielectric properties | Biomass pyrolysis | Low-grade pyrolusite | AGRICULTURAL ENGINEERING | MECHANISM | MANGANESE | WOOD | BIOTECHNOLOGY & APPLIED MICROBIOLOGY | ENERGY & FUELS | WASTES
Journal Article
New Journal of Chemistry, ISSN 1144-0546, 2018, Volume 42, Issue 24, pp. 20144 - 20151
The kinetics of reductive leaching of manganese from iron-rich manganese dioxide ore (IRMDO) using bagasse pith as a reductant in the presence of sulfuric acid... 
EXTRACTION | OXIDE ORES | DISSOLUTION | OCEAN NODULES | HYDROLYSIS | LOW-GRADE PYROLUSITE | SULFURIC-ACID | SEPARATION | ALCOHOL WASTE-WATER | CELLULOSE | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
AIP Conference Proceedings, ISSN 0094-243X, 08/2019, Volume 2141, Issue 1
The MnO2:NH4F system is a component of the widely used Leclanche electrochemical cell. In addition, pyrolusite is among the main components of manganese ores.... 
Manganese dioxide | Ammonium chloride | Pyrolusite | Infrared spectroscopy | Chloride | Manganese ores | Minerals | Electrochemical cells
Journal Article
Environmental Pollution, ISSN 0269-7491, 01/2019, Volume 244, pp. 783 - 791
The heavy metal ion adsorption performance of birnessite (a layer-structured manganese oxide) can be enhanced by decreasing the Mn average oxidation state (Mn... 
Heavy metal ions | Pyrolusite | Electrochemical adsorption | Cryptomelane | Todorokite | ELECTROSORPTIVE REMOVAL | CAPACITIVE DEIONIZATION CDI | HEAVY-METALS | BIRNESSITE | IONS | ALPHA-MNO2 | COMPOSITE | ENVIRONMENTAL SCIENCES | CADMIUM | SPECTROSCOPY | EFFICIENT REMOVAL
Journal Article
Water Research, ISSN 0043-1354, 05/2019, Volume 154, pp. 125 - 135
A novel pyrolusite fluidized bed (PFB) contactor, which we recently developed for dissolved manganese (Mn(II)) removal through surface adsorption and... 
Drinking water | Breakthrough | Pyrolusite fluidized bed contactor | Manganese removal | Modeling | ENVIRONMENTAL SCIENCES | ENGINEERING, ENVIRONMENTAL | WATER RESOURCES | ADSORPTION | Adsorption | Analysis | Models
Journal Article
Chinese Journal of Environmental Engineering, ISSN 1673-9108, 02/2017, Volume 11, Issue 2, pp. 1101 - 1105
Journal Article
Journal of Archaeological Science, ISSN 0305-4403, 04/2013, Volume 40, Issue 4, pp. 2128 - 2135
A multi-technique characterization and a provenance study of the black pigment used in Cucuteni pottery painting (Neolithic age, Romania) were carried out. 127... 
Birnessite | Black pigment source | Pyrolusite | Jacobsite | Cucuteni culture | Goethite | TRANSFORMATION | BIRNESSITE | ARCHAEOLOGY | Bimessite | Goethite Pyrolusite | GEOSCIENCES, MULTIDISCIPLINARY | MANGANESE OXIDES | SPECTROSCOPY | GOETHITE | DIFFRACTION | SPECTRA | ANTHROPOLOGY | Hematite | Raw materials | Metallic oxides | Analysis | Spectrum analysis
Journal Article
Transactions of Nonferrous Metals Society of China, ISSN 1003-6326, 02/2013, Volume 23, Issue 2, pp. 548 - 555
The reduction roasting processes for low-grade pyrolusite using bagasse as the reducing agent was statistically analyzed. The central composite rotatable... 
response surface methodology | pyrolusite | reduction roasting | bagasse | pyrolusite reduction roasting bagasse response surface methodology | RECOVERY | DESIGN | BIOMASS | METALLURGY & METALLURGICAL ENGINEERING | MANGANESE OXIDE ORE | DIOXIDE | METHODOLOGY RSM
Journal Article
Kemija u industriji/Journal of Chemists and Chemical Engineers, ISSN 0022-9830, 11/2015, Volume 64, Issue 11-12, pp. 593 - 602
Manganese is widely used in many fields. Many efforts have been made to recover manganese from low-grade pyrolusite due to the depletion of high-grade... 
Pyrolusite | Biomass | Kinetics | Reduction-roast | reduction-roast | biomass
Journal Article
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals, ISSN 1004-0609, 08/2014, Volume 24, Issue 8, pp. 2158 - 2163
Journal Article
Guocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering, ISSN 1009-606X, 12/2015, Volume 15, Issue 6, pp. 976 - 981
Journal Article
International Journal of Phytoremediation, ISSN 1522-6514, 07/2018, Volume 20, Issue 9, pp. 957 - 963
Journal Article
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