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Desulfurization performance of iron-manganese-based sorbent for hot coal gas

Xiurong REN, Weiren BAO, Fan LI, Liping CHANG, Kechang XIE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 429-434 doi: 10.1007/s11705-010-0504-y

Abstract: A series of iron-manganese-based sorbents were prepared by co-precipitation and physical mixing methodThe results show that the suitable addition of manganese oxide in iron-based sorbent can decrease H SFe O and MnO are the initial active components in iron-manganese-based sorbent, and FeO and Fe are activeThe reducibility of sorbent changes with the content of MnO in sorbent.The sulfidation performance of iron- manganese-based sorbent is also related with its specific surface

Keywords： iron-manganese-based sorbent     sulfidation performance     regeneration     hot coal gas    

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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: . • Reductive reaction of Fe(II)/iron oxides in complex systems was examined. • Future research on examiningfocused on (1) the oxidative reactivity of Mn- and Fe-oxides and (2) the reductive reactivity of Fe(II)/iron

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

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Migration of manganese and iron during the adsorption-regeneration cycles for arsenic removal

Fangfang CHANG, Jiuhui QU, Xu ZHAO, Wenjun LIU, Kun WU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 512-518 doi: 10.1007/s11783-011-0372-9

Abstract: The dissection results of FMBO-diatomite fixed-bed exhibited that small amounts of manganese and ironCompared to the extremely low concentration of iron (<0.01 mg·L ), the fluctuation concentration of MnThe release of manganese suggested that manganese oxides played an important role in As(III) oxidation

Keywords： arsenic     adsorption     filtration     regeneration     fixed-bed    

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Reaction mechanism of arsenic capture by a calcium-based sorbent during the combustion of arsenic-contaminated

Mei Lei, Ziping Dong, Ying Jiang, Philip Longhurst, Xiaoming Wan, Guangdong Zhou

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1110-y

Abstract:

Pilot-scale combustion is required to treat arsenic-enriched biomass in China.

CaO addition to arsenic-enriched biomass reduces arsenic emission.

CaO captures arsenic via chemical adsorption to form Ca3(AsO4)2.

Keywords： Arsenic contamination     Phytoremediation     Emission control     Calcium-based sorbent     Biomass disposal     Pilot-scale    

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Chemical composition and formation mechanisms in the cathode-electrolyte interface layer of lithium manganeseoxide batteries from reactive force field (ReaxFF) based molecular dynamics

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 densitycell containing LiMn O ages, suggesting that active material loss by dissolution of divalent manganeseTo bridge this knowledge gap, reactive force field (ReaxFF) based molecular dynamics was applied to investigateReaction products predicted by ReaxFF-based MD are in agreement with experimentally identified cathode-electrolyteAn overall cathode-electrolyte interface reaction scheme is proposed based on the molecular simulation

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

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Realization of the First Water Plant with Biological Removal of Iron and Manganese

Li Dong,Yang Hong,Zhang Jie

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 53-57

Abstract:

The project was designed according to the theory of biological fixation and removal of manganese.obtained the strong manganese removal ability.Under the condition of usual filtrating rate, manganese in treated water was 0.05 mg/L,and TFe was trace which were superior to the national standard although the manganese in raw water was 1biological removal of iron and manganese water plant in the world.

Keywords： biological fixation and removal of manganese     weak aeration     economic process     simultaneous removal    

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New nanostructured sorbents for desulfurization of natural gas

Lifeng WANG, Ralph T. YANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 8-19 doi: 10.1007/s11705-014-1411-4

Abstract: that are generally lower than that from the large conventional reservoirs, if a superior adsorbent (sorbentIn this review, we focus our discussion on three types of sorbents: metal-oxide based sorbents, Cu/Ag-based

Keywords： desulfurization     natural gas desulfurization     hydrogen sulfide sorbent     amine-silica sorbent    

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Performance and kinetics of iron-based oxygen carriers reduced by carbon monoxide for chemical looping

Xiuning HUA,Wei WANG,Feng WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1130-1138 doi: 10.1007/s11783-015-0821-y

Abstract: The mechanism and kinetics of CO reduction on iron-based oxygen carriers namely pure Fe O and Fe OThe boosting recital of iron-based oxygen carrier support toward efficient chemical looping combustion

Keywords： chemical looping combustion     iron-based oxygen carriers     reduction kinetics     carbon monoxide     statistics    

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Preparation and selection of Fe-Cu sorbent for COS removal in syngas

Bowu CHENG, Zhaofei CAO, Yong BAI, Dexiang ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 441-444 doi: 10.1007/s11705-010-0507-8

Abstract: A series of iron-based sorbents prepared with iron trioxide hydrate, cupric oxide by a novel method wasdesulfurization performance, as well as the influence of operating conditions on sulfidation behavior of the sorbentThe result shows that the breakthrough sulfur capacity of the sorbent is as high as 25 g-S/100 g.space velocity of 1000 h , the efficiency of sulfur removal and breakthrough sulfur capacity of the sorbentresult shows that the species and content of additives also affect desulfurization performance of the sorbent

Keywords： sorbent     desulfurization     COS removal     syngas    

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A review on research and development of iron-based sorbents for removal of hydrogen sulfide from hot

Jianglong YU, Liping CHANG, Fan LI, Kechang XIE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 529-535 doi: 10.1007/s11705-010-0519-4

Abstract: previous studies on high temperature removal of hydrogen sulfide from high temperature coal gases using iron-basedhighlighted, which is integrated with direct production of elemental sulfur during regeneration of iron-based

Keywords： hot coal gas cleanup     iron-based sorbents     sulfidation     regeneration     sulphur recovery    

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Effects of Potassium and Manganese Promoters on Nitrogen-Doped Carbon Nanotube-Supported Iron Catalysts Article

Praewpilin Kangvansura, Ly May Chew, Chanapa Kongmark, Phatchada Santawaja, Holger Ruland, Wei Xia, Hans Schulz, Attera Worayingyong, Martin Muhler

Engineering 2017, Volume 3, Issue 3,   Pages 385-392 doi: 10.1016/J.ENG.2017.03.013

Abstract:

Nitrogen-doped carbon nanotubes (NCNTs) were used as a support for iron (Fe) nanoparticles appliedThe Fe/NCNT catalyst promoted with both potassium (K) and manganese (Mn) showed high performance in CO

Keywords： CO2 hydrogenation     Iron catalyst     Nitrogen-doped carbon nanotubes     Manganese promoter     Potassium    

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Cadmium removal mechanistic comparison of three Fe-based nanomaterials: Water-chemistry and roles of

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1586-8

Abstract:

● nZVI, S-nZVI, and nFeS were systematically compared for Cd(II) removal.

Keywords： Nano zero valent iron     Sulfided zero valent iron     FeS     Cd(II) immobilization     Fe dissolution    

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Efficient MgO-doped CaO sorbent pellets for high temperature CO

Zhihong Xu, Tao Jiang, Hao Zhang, Yujun Zhao, Xinbin Ma, Shengping Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 698-708 doi: 10.1007/s11705-020-1981-2

Abstract: Novel MgO-doped CaO sorbent pellets were prepared by gel-casting and wet impregnation.The effect of Na and MgO on the structure and CO adsorption performance of CaO sorbent pellets wasMgO-doped CaO sorbent pellets with the diameter range of 0.5 1.5 mm exhibited an excellent capacity forCO adsorption and adsorption rate due to the homogeneous dispersion of MgO in the sorbent pellets andCa2Mg1 sorbent pellets exhibited favorable CO capture capacity (9.49 mmol∙g ), average adsorption rate

Keywords： MgO doping     CaO sorbent pellets     gel-casting technique     CO2 capture    

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Iron oxide nanoparticle-based theranostics for cancer imaging and therapy

Xiaoqing REN,Hongwei CHEN,Victor YANG,Duxin SUN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 253-264 doi: 10.1007/s11705-014-1425-y

Abstract: From various nanotheranostics studied, iron oxide nanoparticles have advantages since IONPs have goodThis review is focused on the IONP-based nanotheranostics for cancer imaging and treatment.The most recent progress for applications of IONP nanotheranostics is summarized, which includes IONP-basedFuture perspectives and challenges are also outlined for the potential development of IONP based theranostics

Keywords： theranostics     iron oxide nanoparticles     MRI     drug delivery     photothermal therapy     photodynamic therapy    

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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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Title Author Date Type Operation

Desulfurization performance of iron-manganese-based sorbent for hot coal gas

Xiurong REN, Weiren BAO, Fan LI, Liping CHANG, Kechang XIE

Journal Article

Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Journal Article

Migration of manganese and iron during the adsorption-regeneration cycles for arsenic removal

Fangfang CHANG, Jiuhui QU, Xu ZHAO, Wenjun LIU, Kun WU

Journal Article

Reaction mechanism of arsenic capture by a calcium-based sorbent during the combustion of arsenic-contaminated

Mei Lei, Ziping Dong, Ying Jiang, Philip Longhurst, Xiaoming Wan, Guangdong Zhou

Journal Article

Chemical composition and formation mechanisms in the cathode-electrolyte interface layer of lithium manganeseoxide batteries from reactive force field (ReaxFF) based molecular dynamics

Sahithya REDDIVARI, Christian LASTOSKIE, Ruofei WU, Junliang ZHANG

Journal Article

Realization of the First Water Plant with Biological Removal of Iron and Manganese

Li Dong,Yang Hong,Zhang Jie

Journal Article

New nanostructured sorbents for desulfurization of natural gas

Lifeng WANG, Ralph T. YANG

Journal Article

Performance and kinetics of iron-based oxygen carriers reduced by carbon monoxide for chemical looping

Xiuning HUA,Wei WANG,Feng WANG

Journal Article

Preparation and selection of Fe-Cu sorbent for COS removal in syngas

Bowu CHENG, Zhaofei CAO, Yong BAI, Dexiang ZHANG

Journal Article

A review on research and development of iron-based sorbents for removal of hydrogen sulfide from hot

Jianglong YU, Liping CHANG, Fan LI, Kechang XIE

Journal Article

Effects of Potassium and Manganese Promoters on Nitrogen-Doped Carbon Nanotube-Supported Iron Catalysts

Praewpilin Kangvansura, Ly May Chew, Chanapa Kongmark, Phatchada Santawaja, Holger Ruland, Wei Xia, Hans Schulz, Attera Worayingyong, Martin Muhler

Journal Article

Cadmium removal mechanistic comparison of three Fe-based nanomaterials: Water-chemistry and roles of

Journal Article

Efficient MgO-doped CaO sorbent pellets for high temperature CO

Zhihong Xu, Tao Jiang, Hao Zhang, Yujun Zhao, Xinbin Ma, Shengping Wang

Journal Article

Iron oxide nanoparticle-based theranostics for cancer imaging and therapy

Xiaoqing REN,Hongwei CHEN,Victor YANG,Duxin SUN

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