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adsorption 5

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Multivalent manganese oxides with high electrocatalytic activity for oxygen reduction reaction

Xiangfeng Peng, Zhenhai Wang, Zhao Wang, Yunxiang Pan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 790-797 doi: 10.1007/s11705-018-1706-y

Abstract: The enhanced activity could be due to the coexistence of manganese ions with different valences, the

Keywords： oxygen reduction reaction     manganese oxides     mixed valences of manganese     oxygen adsorption     dielectric barrier    

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The role of manganese oxides in the activation of peroxymonosulfate (PMS)

Jianzhi Huang, Huichun Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1158-8

Abstract: Manganese oxides (MnOx) have been demonstrated to be effective materials to activate Oxone (i.e., PMS

Keywords： Peroxymonosulfate     Manganese oxides     Catalyst     Oxidant    

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Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1255-8

Abstract: • Mechanisms of redox reactions of Fe- and Mn-oxides were discussed. • Oxidative reactions of Mn- andFe-oxides in complex systems were reviewed. • Reductive reaction of Fe(II)/iron oxides in complex systemsConspectus Redox reactions of Fe- and Mn-oxides play important roles in the fate and transformationreductive reactivity of Fe(II)/iron oxides in complex model systems toward contaminant degradation.such as Al, Si and Ti oxides on the redox reactivity of the systems are briefly summarized.

Keywords： Iron oxides     manganese oxides     reduction     oxidation     complex systems     reaction kinetics and mechanisms    

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Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

Mehraneh Ghavami, Mostafa Aghbolaghy, Jafar Soltan, Ning Chen

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 937-947 doi: 10.1007/s11705-019-1900-6

Abstract: In this study, a series of alumina supported single and mixed manganese and cobalt oxides catalysts wereThe manganese and cobalt single and mixed oxides catalysts of the formula Mn10%-CoX and Co10%-MnX (whereThe mixed oxides catalysts of (Mn10%-Co2.5%) and (Mn10%-Co5%) led to acetone conversion of about 84%.

Keywords： ozone     VOC     manganese oxides     cobalt oxides     alumina support    

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Metal-organic framework loaded manganese oxides as efficient catalysts for low-temperature selective

Minhua Zhang, Baojuan Huang, Haoxi Jiang, Yifei Chen

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 594-602 doi: 10.1007/s11705-017-1668-5

Abstract: showed that the catalysts had the crystal structure and porosity of the UiO-66 carrier and that the manganese

Keywords： metal-organic framework     selective catalytic reduction     manganese oxides     deNOx     SO   

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Visible light induces bacteria to produce superoxide for manganese oxidation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1619-y

Abstract:

● Term of manganese-oxidizing microorganisms should be reconsidered

Keywords： Mn(II) oxidation     Manganese-oxidizing bacteria     Reactive oxygen species     Mn(III/IV) oxides    

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High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 383-400 doi: 10.1007/s11708-017-0485-3

Abstract: Developing electrodes with high specific energy by using inexpensive manganese oxides is of great importance

Keywords： manganese oxides Mn5O8     high voltage     aqueous Na-ion storage    

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Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1649-1676 doi: 10.1007/s11705-023-2324-x

Abstract: Next, the characteristics and catalytic performance of perovskite oxides as catalysts for VOC removalThe challenges and the prospects regarding the design of perovskite oxides catalysts for the catalytic

Keywords： perovskite oxides     volatile organic compounds     catalytic combustion     reaction mechanism    

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Effects of humic acid and surfactants on the aggregation kinetics of manganese dioxide colloids

Xiaoliu HUANGFU,Yaan WANG,Yongze LIU,Xixin LU,Xiang ZHANG,Haijun CHENG,Jin JIANG,Jun MA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 105-111 doi: 10.1007/s11783-014-0726-1

Abstract: The aggregation of common manganese dioxide (MnO ) colloids has great impact on their surface reactivity

Keywords： humic acid     surfactant     aggregation kinetics     drinking water     manganese dioxide colloids    

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Tripotassium citrate monohydrate derived carbon nanosheets as a competent assistant to manganese dioxide

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 420-432 doi: 10.1007/s11705-021-2065-7

Abstract: Subsequently, a well-designed manganese dioxide/carbon nanosheets composite was synthesized through hydrothermalThe carbon nanosheets served as the substrate for growing the manganese dioxide, regulating its distributionMany manganese dioxide nanosheets grew vertically on the numerous functional groups generated on theFinally, an asymmetric supercapacitor with active carbon as the cathode and manganese dioxide/carbonThis study may provide valuable insights for applying carbon materials and manganese dioxide in the energy

Keywords： carbon nanosheets     manganese dioxide     asymmetric supercapacitors     energy density     power density    

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Catalytic activity of manganese oxide supported on alumina in the synthesis of quinoxalines

Rekha M., H. Kathyayini, N. Nagaraju

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 415-421 doi: 10.1007/s11705-013-1360-3

Abstract: Two catalysts, alumina and manganese oxide supported on alumina, have been prepared by calcination and

Keywords： alumina     manganese oxide deposited on alumina     quinoxaline synthesis    

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Coextraction of vanadium and manganese from high-manganese containing vanadium wastewater by a solvent

Zishuai Liu, Yimin Zhang, Zilin Dai, Jing Huang, Cong Liu

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 902-912 doi: 10.1007/s11705-019-1887-z

Abstract: High-manganese containing vanadium wastewater (HMVW) is commonly produced during the vanadium extractionFor the precipitation process, 91.05% of manganese was recovered as MnCO which meets the III grade standard

Keywords： high-manganese containing vanadium wastewater     solvent extraction     carbonate precipitation     vanadium titano-magnetite    

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Chemical composition and formation mechanisms in the cathode-electrolyte interface layer of lithium manganese

Sahithya REDDIVARI, Christian LASTOSKIE, Ruofei WU, Junliang ZHANG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 365-373 doi: 10.1007/s11708-017-0500-8

Abstract: Lithium manganese oxide (LiMn O ) is a principal cathode material for high power and high energy densityExperimental observations indicate that the manganese content of the electrolyte increases as an electrochemicalcell containing LiMn O ages, suggesting that active material loss by dissolution of divalent manganeseTo improve the retention of manganese in the active material, it is key to understand the reactions thatinvestigate the reactions occurring at the LiMn O cathode surface and the mechanisms that lead to manganese

Keywords： lithium manganese oxide batteries     reactive force field (ReaxFF)     cathode-electrolyte interface layer     molecular    

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Occurance and control of manganese in a large scale water treatment plant

Youjun CHEN,Feng XIAO,Yongkang LIU,Dongsheng WANG,Ming YANG,Hua BAI,Jiong ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 66-72 doi: 10.1007/s11783-014-0637-1

Abstract: The continuous variations of dissolved oxygen (DO), manganese (Mn), pH, and their effect on manganeseManganese concentration increased from 0.1 to 0.4 mg·L under the condition that DO concentration decreasedThe different water treatment processes exhibited different efficiency on manganese removal.the suspended sludge, low elevation velocity in settling tank and slow filter rate, will benefit the manganeseDuring a high release of manganese in raw water, traditional coagulation-sedimentation and filtration

Keywords： manganese release     dissolved oxygen     settling filtration     pre-oxidation    

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Adsorptive behaviors of humic acid onto freshly prepared hydrous manganese dioxides

LIU Ruiping, LI Guibai, YANG Yanling, HE Wenjie, HAN Hongda

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 240-245 doi: 10.1007/s11783-007-0041-1

Abstract: This study focused on the adsorptive behaviors of humic acid onto freshly prepared hydrous MnO(s) (δMnO), and investigated the feasibility of employing δMnO for humic acid removal from drinking water. Effects of such parameters as molecular mass of humic acid, kinds of divalent cations on adsorptive behaviors and possible mechanisms involved were investigated. This study indicated that humic acid with higher molecular mass exhibited more tendency of adsorbing onto &MnO than that with lower molecular mass. Ca facilitated more humic acid adsorption than Mg; UV-Vis spectra analysis indicated higher capabilities of Ca coordinating with acidic functional groups of humic acid than that of Mg. Additionally, ζ potential characterization indicated that Ca showed higher potential of increasing ζ potential of &MnO than Mg. Ca of 1.0 mmol/L increased ζ potential of δMnO

Keywords： Mg     molecular     functional     UV-Vis spectra     prepared hydrous    

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Title Author Date Type Operation

Multivalent manganese oxides with high electrocatalytic activity for oxygen reduction reaction

Xiangfeng Peng, Zhenhai Wang, Zhao Wang, Yunxiang Pan

Journal Article

The role of manganese oxides in the activation of peroxymonosulfate (PMS)

Jianzhi Huang, Huichun Zhang

Journal Article

Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Journal Article

Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

Mehraneh Ghavami, Mostafa Aghbolaghy, Jafar Soltan, Ning Chen

Journal Article

Metal-organic framework loaded manganese oxides as efficient catalysts for low-temperature selective

Minhua Zhang, Baojuan Huang, Haoxi Jiang, Yifei Chen

Journal Article

Visible light induces bacteria to produce superoxide for manganese oxidation

Journal Article

High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Journal Article

Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Journal Article

Effects of humic acid and surfactants on the aggregation kinetics of manganese dioxide colloids

Xiaoliu HUANGFU,Yaan WANG,Yongze LIU,Xixin LU,Xiang ZHANG,Haijun CHENG,Jin JIANG,Jun MA

Journal Article

Tripotassium citrate monohydrate derived carbon nanosheets as a competent assistant to manganese dioxide

Journal Article

Catalytic activity of manganese oxide supported on alumina in the synthesis of quinoxalines

Rekha M., H. Kathyayini, N. Nagaraju

Journal Article

Coextraction of vanadium and manganese from high-manganese containing vanadium wastewater by a solvent

Zishuai Liu, Yimin Zhang, Zilin Dai, Jing Huang, Cong Liu

Journal Article

Chemical composition and formation mechanisms in the cathode-electrolyte interface layer of lithium manganese

Sahithya REDDIVARI, Christian LASTOSKIE, Ruofei WU, Junliang ZHANG

Journal Article

Occurance and control of manganese in a large scale water treatment plant

Youjun CHEN,Feng XIAO,Yongkang LIU,Dongsheng WANG,Ming YANG,Hua BAI,Jiong ZHANG

Journal Article

Adsorptive behaviors of humic acid onto freshly prepared hydrous manganese dioxides

LIU Ruiping, LI Guibai, YANG Yanling, HE Wenjie, HAN Hongda

Journal Article