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2 5

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Comparison of different valent iron on anaerobic sludge digestion: Focusing on oxidation reduction potential

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1514-3

Abstract:

• ORP value from −278.71 to −379.80 mV showed indiscernible effects on methane yield.

Keywords： Enhanced anaerobic sludge digestion     Different iron valence     Oxidation reduction potential     Dissolved    

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Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1807-1817 doi: 10.1007/s11705-022-2243-2

Abstract: Therefore, an in-situ H2 reduction and moderate oxidation method was developed to increaseMoreover, the influence of oxidation temperature on the developed method was investigated.and moderate oxidation (oxidized at 100 °C).Excessive oxidation (200 °C) resulted in a significant decrease in the Ru/RuOx ratioThe developed in-situ H2 reduction and moderate oxidation method eliminated the step

Keywords： Ru/C catalyst     in-situ H2 reduction and moderate oxidation     in-situ reduction     non-in-situ reduction     hydrogenation of 3     5-dimethylpyridine    

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Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-019-1217-1

Abstract: Heterotrophic sulfate reduction mainly contributed to sulfate conversion.For over two decades, sulfate reduction with ammonium oxidation (SRAO) had been reported from laboratoryconversion mole ratios (ammonium/sulfate), and even the intermediate and final products of sulfate reductionsulfate as electron acceptor and the assumed SRAO could, in fact, be a combination of aerobic ammonium oxidation, anammox and heterotrophic sulfate reduction processes.

Keywords： Anammox bacteria     Autotrophic     Biological conversion     Sulfate reducing ammonium oxidation (SRAO)    

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Study on emissions reduction of DMCC engine with oxidation catalyst

YAO Chunde, LIU Xibo, WANG Hongfu, LIU Xiaoping, CHENG Chuanhui, WANG Yinshan

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 441-445 doi: 10.1007/s11708-007-0064-4

Abstract: A new combustion model diesel/methanol compound combustion (DMCC) is presented, in which methanol is injected into manifold and ignited by certain amount of diesel fuel. The results showed that DMCC remarkably decreased the emission

Keywords： combustion     manifold     DMCC     emission     diesel/methanol compound    

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Iron oxidation-reduction and its impacts on cadmium bioavailability in paddy soils: a review

Chunhua ZHANG, Ying GE, Huan YAO, Xiao CHEN, Minkun HU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 509-517 doi: 10.1007/s11783-012-0394-y

Abstract: concepts presented in this review include the forms of Fe in paddy soils, the reactions involved in Fe oxidation-reduction

Keywords： paddy soil     redox     iron     cadmium     bioavailability     rice    

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Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partialoxidation of methane

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1726-1734 doi: 10.1007/s11705-022-2188-5

Abstract: In this work, the kinetics of SrFeO3−δ–CaO∙MnO nanocomposite reduction by methane wasDuring the methane reduction, combustion occurs before the partial oxidation and there exists a transitionweight loss due to combustion increases, but the transition region becomes less inconspicuous as the reductionThe partial oxidation is half order with respect to methane pressure.The proposed rate law could well predict the reduction kinetics; thus, it may be used to design and/or

Keywords： chemical looping reforming     SrFeO3−δ/CaO·MnO nanocomposite     reduction kinetics     Avrami–Erofeyev    

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Novel coprecipitation–oxidation method for recovering iron from steel waste pickling liquor

Shejiang Liu, Hongyang Yang, Yongkui Yang, Yupeng Guo, Yun Qi

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 1, doi: 10.1007/s11783-017-0902-1

Abstract: Coprecipitation–oxidation method was developed to recover the iron from wastewater.A novel combined coprecipitation–oxidation method for iron recovery by Fe O nanoparticle productionAn oxidation–reduction potential monitoring method was developed for real-time control of the Fe /FeThe key coprecipitation–oxidation parameters were determined using the orthogonal experimental designThe results show that this novel coprecipitation–oxidation method has great potential for recycling iron

Keywords： Waste pickling liquor     Coprecipitation–oxidation     Fe3O4 nanoparticles     Oxidation–reduction    

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Sludge reduction during brewery wastewater treatment by hydrolyzation-food chain reactor system

LI Lijie, YANG Shuo, WANG Qunhui, LI Xuesong

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 32-35 doi: 10.1007/s11783-008-0025-9

Abstract: With the function of hydrolyzation acidification in the anaerobic segment and the processes of aerobic oxidationand antagonism, predation, interaction and symbiosis among microbes in multilevel oxidation segment,

Keywords： FCR     interaction     antagonism     oxidation     brewery wastewater    

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Advanced nitrogen removal by pulsed sequencing batch reactors (SBR) with real-time control

YANG Qing, PENG Yongzhen, YANG Anming, LI Jianfeng, GUO Jianhua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 488-492 doi: 10.1007/s11783-007-0078-1

Abstract: The feasibility of pH and oxidation reduction potential (ORP) as on-line control parameters to advance

Keywords： reduction potential     oxidation reduction     operational     feasibility     nitrogen    

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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- and Fe-oxides in complex systems were reviewed. • Reductive reaction of Fe(II)/iron oxides in complex systems was examined. • Future research on examining the redox reactivity in complex systems was suggested. Conspectus Redox reactions of Fe- and Mn-oxides play important roles in the fate and transformation of many contaminants in natural environments. Due to experimental and analytical challenges associated with complex environments, there has been a limited understanding of the reaction kinetics and mechanisms in actual environmental systems, and most of the studies so far have only focused on simple model systems. To bridge the gap between simple model systems and complex environmental systems, it is necessary to increase the complexity of model systems and examine both the involved interaction mechanisms and how the interactions affected contaminant transformation. In this Account, we primarily focused on (1) the oxidative reactivity of Mn- and Fe-oxides and (2) the reductive reactivity of Fe(II)/iron oxides in complex model systems toward contaminant degradation. The effects of common metal ions such as Mn2+ , Ca2+, Ni2+, Cr3+ and Cu2+, ligands such as small anionic ligands and natural organic matter (NOM), and second metal oxides 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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In situ coupling of reduction and oxidation processes with alternating current-driven bioelectrodes for

Ye Yuan,Junjie Zhang,Wanxin Yin,Lulu Zhang,Lin Li,Tianming Chen,Cheng Ding,Wenzong Liu,Aijie Wang,Fan Chen,

Engineering doi: 10.1016/j.eng.2024.05.009

Abstract: Bioelectrochemical processes that combine cathodic reduction and anodic oxidation represent a promisingand oxidation processes was developed for the biomineralization of aromatic compounds, as exemplifiedLFV-AC stimulated biofilm demonstrated efficient bidirectional electron transfer and oxidation–reductionbifunctionality, considerably boosting AYR reduction (63.07% ± 1.91%) and subsequent mineralization(Stenotrophomonas and Bradyrhizobium), aromatic intermediate oxidation (Sphingopyxis and Sphingomonas

Keywords： Alternating current     Bioelectrode     Redox process     Bio-mineralization     Electrode microbiome     Refractory organic pollutants    

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Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 153-165 doi: 10.1007/s11709-012-0153-y

Abstract: improved soil in deep mixing method is due to 1) the ground environment change due to the secondary oxidationThe importance of measuring pH and oxidation-reduction potential (ORP) of the ground for cement/lime

Keywords： soil solidification     ground environment     strength deterioration     pH     oxidation-reduction potential (ORP)    

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Evaluation of the technoeconomic feasibility of electrochemical hydrogen peroxide production for decentralized water treatment

Yang Li, Yixin Zhang, Guangshen Xia, Juhong Zhan, Gang Yu, Yujue Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1293-2

Abstract: were prepared and tested in a continuous flow electrochemical cell for H2O2 production from oxygen reduction

Keywords： Advanced oxidation process     Electro-peroxone     Gas diffusion electrode     Hydrogen peroxide     Oxygen reduction    

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Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0970-2

Abstract: Wet air oxidation (WAO) and catalytic wet air oxidation (CWAO) are efficient processes to degrade organic

Keywords： Wet air oxidation     Catalytic wet air oxidation     Phenolic compounds     Heterogeneous catalysts     Mechanism    

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Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 443-458 doi: 10.1007/s11708-010-0127-5

Abstract: Direct ethanol fuel cells (DEFCs) are a promising carbon-neutral and sustainable power source for portable, mobile, and stationary applications. However, conventional DEFCs that use acid proton-exchange membranes (typically Nafion type) and platinum-based catalysts exhibit low performance (i.e., the state-of-the-art peak power density is 79.5 mW/cm at 90°C). Anion-exchange membrane (AEM) DEFCs that use low-cost AEM and non-platinum catalysts have recently been demonstrated to yield a much better performance (i.e., the state-of-the-art peak power density is 160 mW/cm at 80°C). This paper provides a comprehensive review of past research on the development of AEM DEFCs, including the aspects of catalysts, AEMs, and single-cell design and performance. Current and future research challenges are identified along with potential strategies to overcome them.

Keywords： fuel cell     direct ethanol fuel cells     anion-exchange membrane     ethanol oxidation reaction     oxygen reduction    

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Title Author Date Type Operation

Comparison of different valent iron on anaerobic sludge digestion: Focusing on oxidation reduction potential

Journal Article

Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in

Journal Article

Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Journal Article

Study on emissions reduction of DMCC engine with oxidation catalyst

YAO Chunde, LIU Xibo, WANG Hongfu, LIU Xiaoping, CHENG Chuanhui, WANG Yinshan

Journal Article

Iron oxidation-reduction and its impacts on cadmium bioavailability in paddy soils: a review

Chunhua ZHANG, Ying GE, Huan YAO, Xiao CHEN, Minkun HU

Journal Article

Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partialoxidation of methane

Journal Article

Novel coprecipitation–oxidation method for recovering iron from steel waste pickling liquor

Shejiang Liu, Hongyang Yang, Yongkui Yang, Yupeng Guo, Yun Qi

Journal Article

Sludge reduction during brewery wastewater treatment by hydrolyzation-food chain reactor system

LI Lijie, YANG Shuo, WANG Qunhui, LI Xuesong

Journal Article

Advanced nitrogen removal by pulsed sequencing batch reactors (SBR) with real-time control

YANG Qing, PENG Yongzhen, YANG Anming, LI Jianfeng, GUO Jianhua

Journal Article

Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Journal Article

In situ coupling of reduction and oxidation processes with alternating current-driven bioelectrodes for

Ye Yuan,Junjie Zhang,Wanxin Yin,Lulu Zhang,Lin Li,Tianming Chen,Cheng Ding,Wenzong Liu,Aijie Wang,Fan Chen,

Journal Article

Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Journal Article

Evaluation of the technoeconomic feasibility of electrochemical hydrogen peroxide production for decentralized water treatment

Yang Li, Yixin Zhang, Guangshen Xia, Juhong Zhan, Gang Yu, Yujue Wang

Journal Article

Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Journal Article

Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

Journal Article