Kinetics study on the H2 reduction of Nchwaning manganese ore at elevated temperatures
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DOI: 10.1007/s12613-025-3094-x
Abstract: Replacing solid carbon with hydrogen gas in ferromanganese production presents a forward-thinking, sustainable solution to reducing the ferro-alloy industry’s carbon emissions. The HAlMan process, a groundbreaking and eco-friendly method, has been meticulously researched and scaled… read more here.
Keywords: nchwaning manganese; manganese ore; reduction; study reduction ... See more keywords
Influence of application of manganese ore in constructed wetlands on the mechanisms and improvement of nitrogen and phosphorus removal.
Sign Up to like & getrecommendations! Published in 2019 at "Ecotoxicology and environmental safety"
DOI: 10.1016/j.ecoenv.2018.12.024
Abstract: Vertical up-flow constructed wetlands (CWs) with manganese ore (Mn ore) as media (M-CWs) were developed to treat simulated polluted river water. The results showed that the average removal efficiencies for NH4-N, NO3-N, TN and TP… read more here.
Keywords: influence application; application manganese; phosphorus; manganese ore ... See more keywords
Efficient improvement for dissociation behavior and thermal decomposition of manganese ore by microwave calcination
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2020.121074
Abstract: Abstract Traditional smelting process of manganese ore was plagued with high consume of power and coke, and spraying and slag turning accidents caused by violent decomposition of carbonates and manganese oxides in manganese ore. In… read more here.
Keywords: ore microwave; microwave calcination; calcination; manganese ore ... See more keywords
Quantitative phases characterization of clayey ceramics containing manganese ore tailings
Sign Up to like & getrecommendations! Published in 2020 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2020.08.075
Abstract: Abstract Due to the high number of mineralogical phases present in clayey ceramics (crystalline and non-crystalline), the characterization of the mineralogical phases of clayey ceramics is complex, being necessary the development of a methodology adequate… read more here.
Keywords: clayey ceramics; manganese ore; containing manganese; characterization ... See more keywords
Thermal activation significantly improves the organic pollutant removal rate of low-grade manganese ore in a peroxymonosulfate system
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DOI: 10.1039/d2ra02970g
Abstract: Low-cost, eco-friendly and effective catalysts are essential for activating peroxymonosulfate (PMS) to purify water. Hence, we investigated using thermal activation natural low-grade manganese ore (CNMO) as an effective catalyst to activate PMS for the removal… read more here.
Keywords: grade manganese; pms; low grade; manganese ore ... See more keywords
Upgrading of low-grade manganese ore based on reduction roasting and magnetic separation technique
Sign Up to like & getrecommendations! Published in 2018 at "Separation Science and Technology"
DOI: 10.1080/01496395.2018.1504795
Abstract: ABSTRACT The selective reduction of low-grade manganese ore followed by magnetic separation was proposed to produce rich-manganese ore. The optimized parameters include a roasting temperature of 1050°C, a roasting time of 6 h, a manganese… read more here.
Keywords: reduction; magnetic separation; grade manganese; manganese ore ... See more keywords
Biosorption Characteristics of Mn (II) by Bacillus cereus Strain HM-5 Isolated from Soil Contaminated by Manganese Ore
Sign Up to like & getrecommendations! Published in 2018 at "Polish Journal of Environmental Studies"
DOI: 10.15244/pjoes/84838
Abstract: Our study navigated investigated the metal adsorption ability of bacterial Bacillus cereus strain HM-5 isolated from manganese ore. The effects of pH, initial metal ions concentration, biomass dose, contact time, and temperature on biosorption were… read more here.
Keywords: bacillus cereus; manganese ore; cereus strain; soil ... See more keywords
New evidence for the early onset of supergene alteration along the Kalahari unconformity
Sign Up to like & getrecommendations! Published in 2018 at "South African Journal of Geology"
DOI: 10.25131/sajg.121.0012
Abstract: The manganese ore of the Hotazel Formation in the Kalahari Manganese Field, which has been thrust along the Blackridge thrust fault, has been subjected to various degrees of pre-thrusting hydrothermal and post-thrusting supergene alteration. Coarse-grained… read more here.
Keywords: new evidence; supergene alteration; early onset; alteration ... See more keywords
Physicochemical Aspects of Oxidative Consolidation Behavior of Manganese Ore Powders with Various Mn/Fe Mass Ratios for Pellet Preparation
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DOI: 10.3390/ma15051722
Abstract: With the depletion of rich manganese ore resources, plentiful manganese ore powders with various Mn/Fe mass ratios are produced. The physicochemical aspects of oxidative consolidation behavior of manganese ores with various Mn/Fe mass ratios were… read more here.
Keywords: ore powders; oxidative consolidation; various mass; mass ratios ... See more keywords
Numerical and Experimental Study of Packed Bed Heat Transfer on the Preheating of Manganese Ore with Air up to 600 °C
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DOI: 10.3390/met15030269
Abstract: This work studies heat transport in the fluid–solid interface of a packed bed to demonstrate the feasibility of preheating lumpy manganese ores to 600 °C with air at 750 °C. Preheated manganese ores aim to… read more here.
Keywords: packed bed; air; manganese ore; heat transfer ... See more keywords
Thermodynamic and Experimental Analysis of the Selective Reduction of Iron by Hydrogen from the Kergetas Iron–Manganese Ore
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DOI: 10.3390/met15121330
Abstract: Thermodynamic modeling combined with experimental reduction tests was conducted to investigate the selective reduction behavior of iron-manganese ore using hydrogen gas at 800–900 °C. The results reveal that hydrogen reduction at a flow rate of… read more here.
Keywords: iron; selective reduction; manganese ore; reduction ... See more keywords