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Fe-Mn-sepiolite as an effective heterogeneous Fenton-like catalyst for the decolorization of reactive

Chengyuan SU,Weiguang LI,Xingzhe LIU,Xiaofei HUANG,Xiaodan YU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 37-45 doi: 10.1007/s11783-014-0729-y

Abstract: A study of the decolorization of reactive brilliant blue in an aqueous solution using Fe-Mn-sepioliteThe Fourier transform infrared (FTIR) spectra of the catalyst showed bending vibrations of the Fe-O.The X-ray diffraction (XRD) patterns of the catalyst showed characteristic diffraction peaks of α-FeO , γ-Fe O and MnO.Moreover, the Fe-Mn-sepiolite catalyst had good stability for the degradation of reactive brilliant blue

Keywords： Fe-Mn-sepiolite catalyst     heterogeneous Fenton-like     reactive brilliant blue     homogeneous precipitation    

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Excellent performance of Cu-Mn/Ti-sepiolite catalysts for low-temperature CO oxidation

Yong Song,Lisha Liu,Zhidan Fu,Qing Ye,Shuiyuan Cheng,Tianfang Kang,Hongxing Dai

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0908-8

Abstract: Sepiolite is clay mineral with a 2:1 layered structure.The Ti-modified sepiolite (Ti-Sep)-supported Mn-Cu mixed oxide ( Mn5Cu/Ti-Sep) catalysts were synthesizedAmong the Mn5Cu/Ti-Sep samples, the 30Mn5Cu/Ti-Sep catalyst showed the best activity (which also outperformedthe 30Mn5Cu/Sep catalyst), giving the highest reaction rate of 0.875 × 10 mmol·g ·s and the lowesttemperature, and the highest surface Mn /Mn atomic ratio.

Keywords： Ti-modified sepiolite     Supported Mn-Cu mixed oxide     Low-temperature reducibility     Strong metal-support interaction    

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Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 617-633 doi: 10.1007/s11705-022-2258-8

Abstract: MnOx and Sm–Mn catalysts were prepared with the coprecipitation method, and they showedsub>x by NH3 between 50 and 300 °C in the presence of excess oxygen. 0.10Sm–Mncatalyst indicated better catalytic activity and sulfur resistance.For 0.10Sm–Mn catalyst, manganese sulfate and sulfur ammonium cannot be generated broadly under the influencecatalyst.

Keywords： MnOx     Sm–Mn     catalyst     NH3-SCR     sulfur resistance    

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Comparing the adsorption behaviors of Cd, Cu and Pb from water onto Fe-Mn binary oxide, MnO

Wei XU,Huachun LAN,Hongjie WANG,Hongming LIU,Jiuhui QU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 385-393 doi: 10.1007/s11783-014-0648-y

Abstract: The adsorption potential of FMBO, FeOOH, MnO for the removal of Cd , Cu and Pb in aqueous systems was investigated in this study. Comparing to FMBO and FeOOH, MnO offered a much higher removal capacity towards the three metal ions. The maximal adsorption capacity of MnO for Cd , Cu and Pb were 1.23, 2.25 and 2.60 mmol·g , respectively. And that for FMBO were 0.37, 1.13, and 1.18 mmol·g and for FeOOH were 0.11, 0.86 and 0.48 mmol·g , respectively. The adsorption behaviors of the three metal ions on the three adsorbents were all significantly affected by pH values and heavy metal removal efficiency increased with pH increased. The Langmuir and Freundlich adsorption models were used to describe the adsorption equilibrium of the three metal ions onto the three adsorbents. Results showed that the adsorption equilibrium data fitted well to Langmuir isotherm and this indicated that adsorption of metal ions occurred on the three metal oxides adsorbents limited to the formation of a monolayer. More negative charged of MnO surface than that of FMBO and FeOOH could be ascribed by lower pH of MnO than that of FMBO and FeOOH and this could contribute to more binding sites on MnO surface than that of FMBO and FeOOH. The higher metal ions uptake by MnO than FMBO and FeOOH could be well explained by the surface charge mechanism.

Keywords： heavy metals     Fe-Mn binary oxide     manganese dioxide     ferric hydroxide     adsorption    

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Fluoride ions adsorption from water by CaCO enhanced Mn–Fe mixed metal oxides

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 236-248 doi: 10.1007/s11705-022-2193-8

Abstract: Novel CaCO3-enhanced Mn–Fe mixed metal oxides (CMFC) were successfully prepared for the first

Keywords： mesoporous materials     metal oxides     fluoride ion     adsorption mechanism    

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Study on a green synthetic method of TRPPMCl (M= Fe, Mn, Co)

Jing FAN, Yuanbin SHE, Aixin WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 222-223 doi: 10.1007/s11705-009-0059-y

Abstract: A series of TRPPMCl (M= Fe, Mn, Co) were synthesized through this innovative synthetic method, and these

Keywords： TRPPMCl metalloporphyrins     green synthesis     acid    

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New insight into effect of potential on degradation of Fe-N-C catalyst for ORR

Yanyan GAO, Manman QI, Liang HE, Haiping CHEN, Wenzhe LUO, Ming HOU, Zhigang SHAO

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 421-430 doi: 10.1007/s11708-021-0727-2

Abstract: In recent years, Fe-N-C catalyst is particularly attractive due to its high oxygen reduction reactionHowever, the durability problems still pose challenge to the application of Fe-N-C catalyst.Although considerable work has been done to investigate the degradation mechanisms of Fe-N-C catalystIn fact, the 2e pathway in the ORR process of Fe-N-C catalyst would result in the formation of H O ,In this paper, a new insight into the effect of potential on degradation of Fe-N-C catalyst was provided

Keywords： proton exchange membrane fuel cells (PEMFCs)     oxygen reduction reaction (ORR)     Fe-N-C catalyst     potential    

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Mass Transfer-Promoted Fe2+/Fe3+ Circulation Steered by 3D Flow-Through Co-Catalyst System Toward Sustainable

Weiyang Lv,Hao Li,Jinhui Wang,Lixin Wang,Zenglong Wu,Yuge Wang,Wenkai Song,Wenkai Cheng,Yuyuan Yao,

Engineering doi: 10.1016/j.eng.2023.06.010

Abstract: from the poor mass/electron transfer and non-durable promotion effect, giving rise to the sluggish Fe2+/Fe3+ cycle and low dynamic concentration of Fe2+ for ROS productionHerein, we present a three-dimensional (3D) macroscale co-catalyst functionalized with MoS2 to achieve ultra-efficient Fe2+ regeneration (equilibrium Fe2+ ratio of 82.4%Our findings highlight an innovative co-catalyst system design to expand the applicability of AOPs based

Keywords： Advanced oxidation processes     3D co-catalyst     Flow-through mode     Enhanced mass transfer     Complex wastewater    

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NO hydrogenation to NH over FeCu/TiO catalyst with improved activity

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1973-1985 doi: 10.1007/s11705-023-2364-2

Abstract: Hence, developing an efficient and environmentally friendly catalyst is imperative.Notably, the optimized 10Fe-8Cu/TiO2 catalyst exhibited exceptional catalytic performance

Keywords： NO hydrogenation     synthetic ammonia     10Fe-xCu/TiO2     high selectivity    

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ion-exchanged K on the low-temperature hydrothermal stability of Cu/SAPO-34 and its synergic application with Fe

Chen Wang, Jun Wang, Jianqiang Wang, Meiqing Shen

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1322-1

Abstract: . • Fe/Beta was used to compensate the low activity of Cu/SAPO-34 at high temperature. • The hybrid catalystswith KCu/SAPO-34 and Fe/Beta show a great potential for using.However, although the 0.7 wt% K catalyst maintained the same crystallinity, active site abundance, andlow-temperature SCR activity as the fresh catalyst upon aging, an apparent decrease in SCR activityTo compensate for the activity disadvantage of K-loaded Cu/SAPO-34 at high temperature, Fe/Beta catalysts

Keywords： Selective catalytic reduction     Cu/SAPO-34 catalyst     Ion-exchanged K     Low-temperature hydrothermal stability     Fe/Beta catalyst    

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Carbon nanotubes-incorporated MIL-88B-Fe as highly efficient Fenton-like catalyst for degradation of

Hang Zhang, Shuo Chen, Haiguang Zhang, Xinfei Fan, Cong Gao, Hongtao Yu, Xie Quan

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1101-z

Abstract:

CNTs were incorporated into MIL-88B-Fe to get a new Fenton-like catalyst

Fe(II) was introduced in C@M to get a fast initiation

Fe(II) content in C@M was related with oxygen-containing

Keywords： Heterogeneous Fenton-like catalysts     MIL-88B-Fe     CNTs     Organic pollutants     Mechanism    

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Controllable Fe/HCS catalysts in the Fischer-Tropsch synthesis: Effects of crystallization time

Yifei Wang, Shouying Huang, Xinsheng Teng, Hongyu Wang, Jian Wang, Qiao Zhao, Yue Wang, Xinbin Ma

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 802-812 doi: 10.1007/s11705-019-1866-4

Abstract: Among iron carbides, Fe C, as an active phase, has barely been studied due to its thermodynamic instabilityHere, we fabricated a series of Fe C embedded in hollow carbon sphere (HCS) catalysts.investigate the relationship between the geometric structure of the HCS and the physic-chemical properties of Feactivity in the FTS due to its high porosity, appropriate electronic environment, and relatively high Fe

Keywords： Fischer–Tropsch synthesis     Fe-based catalyst     Fe2C     hollow carbon sphere     crystallization time    

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Piezocatalytic performance of FeO−BiMoO catalyst for dye degradation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 716-725 doi: 10.1007/s11705-022-2265-9

Abstract: A Fe2O3−Bi2MoO6 heterojunction was synthesized via a hydrothermalThe various factors that affected the piezocatalytic property of composite catalyst were studied.The highest rhodamine B degradation rate of 96.6% was attained on the 3% Fe2O3−Bi2MoO6 composite catalyst under 60 min of ultrasonic vibration.>3−Bi2MoO6 catalyst was proposed based on the band potential and quenching

Keywords： piezocatalysis     Fe2O3−Bi2MoO6     dye decomposition     ultrasonic    

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Removal of decabromodiphenyl ether (BDE-209) by sepiolite-supported nanoscale zerovalent iron

Rongbing FU,Na MU,Xiaopin GUO,Zhen XU,Dongsu BI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 867-878 doi: 10.1007/s11783-015-0800-3

Abstract: Nanoscale zerovalent iron (nZVI) synthesized using sepiolite as a supporter was used to investigate theBDE-209 was rapidly removed by the prepared sepiolite-supported nZVI with a reaction rate that was 5The removal efficiency of BDE-209 increased with increasing dosage of sepiolite-supported nZVI particlesDebromination pathways of BDE-209 with sepiolite-supported nZVI were proposed based on the identifiedAdsorption on sepiolite-supported nZVI particles also played a role in the removal of BDE-209.

Keywords： sepiolite-supported nanoscale zerovalent iron     decabromodiphenyl ether     debromination     adsorption     mechanism    

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Effects of sepiolite on stabilization remediation of heavy metal-contaminated soil and its ecological

Yuebing SUN,Dan ZHAO,Yingming XU,Lin WANG,Xuefeng LIANG,Yue SHEN

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 85-92 doi: 10.1007/s11783-014-0689-2

Abstract: accumulation in spinach ( ) were considered in assessing stabilization remediation effectiveness using sepioliteResults showed that soil pH values increased with rising sepiolite concentration.Sequential extraction results indicated that the addition of sepiolite converted significant amountsTreatments of sepiolite were observed to reduce Cd and Pb translocation from the soil to the roots andactinomycete counts, as well as in catalase activities, indicated that soil metabolic recovery occurred after sepiolite

Keywords： stabilization remediation     heavy metals     sepiolite     soil quality     spinach (Spinacia oleracea)    

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Title Author Date Type Operation

Fe-Mn-sepiolite as an effective heterogeneous Fenton-like catalyst for the decolorization of reactive

Chengyuan SU,Weiguang LI,Xingzhe LIU,Xiaofei HUANG,Xiaodan YU

Journal Article

Excellent performance of Cu-Mn/Ti-sepiolite catalysts for low-temperature CO oxidation

Yong Song,Lisha Liu,Zhidan Fu,Qing Ye,Shuiyuan Cheng,Tianfang Kang,Hongxing Dai

Journal Article

Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Journal Article

Comparing the adsorption behaviors of Cd, Cu and Pb from water onto Fe-Mn binary oxide, MnO

Wei XU,Huachun LAN,Hongjie WANG,Hongming LIU,Jiuhui QU

Journal Article

Fluoride ions adsorption from water by CaCO enhanced Mn–Fe mixed metal oxides

Journal Article

Study on a green synthetic method of TRPPMCl (M= Fe, Mn, Co)

Jing FAN, Yuanbin SHE, Aixin WANG

Journal Article

New insight into effect of potential on degradation of Fe-N-C catalyst for ORR

Yanyan GAO, Manman QI, Liang HE, Haiping CHEN, Wenzhe LUO, Ming HOU, Zhigang SHAO

Journal Article

Mass Transfer-Promoted Fe2+/Fe3+ Circulation Steered by 3D Flow-Through Co-Catalyst System Toward Sustainable

Weiyang Lv,Hao Li,Jinhui Wang,Lixin Wang,Zenglong Wu,Yuge Wang,Wenkai Song,Wenkai Cheng,Yuyuan Yao,

Journal Article

NO hydrogenation to NH over FeCu/TiO catalyst with improved activity

Journal Article

ion-exchanged K on the low-temperature hydrothermal stability of Cu/SAPO-34 and its synergic application with Fe

Chen Wang, Jun Wang, Jianqiang Wang, Meiqing Shen

Journal Article

Carbon nanotubes-incorporated MIL-88B-Fe as highly efficient Fenton-like catalyst for degradation of

Hang Zhang, Shuo Chen, Haiguang Zhang, Xinfei Fan, Cong Gao, Hongtao Yu, Xie Quan

Journal Article

Controllable Fe/HCS catalysts in the Fischer-Tropsch synthesis: Effects of crystallization time

Yifei Wang, Shouying Huang, Xinsheng Teng, Hongyu Wang, Jian Wang, Qiao Zhao, Yue Wang, Xinbin Ma

Journal Article

Piezocatalytic performance of FeO−BiMoO catalyst for dye degradation

Journal Article

Removal of decabromodiphenyl ether (BDE-209) by sepiolite-supported nanoscale zerovalent iron

Rongbing FU,Na MU,Xiaopin GUO,Zhen XU,Dongsu BI

Journal Article

Effects of sepiolite on stabilization remediation of heavy metal-contaminated soil and its ecological

Yuebing SUN,Dan ZHAO,Yingming XU,Lin WANG,Xuefeng LIANG,Yue SHEN

Journal Article