☆ 4.7 Article

Elemental sulfur generated in situ from Fe(III) and sulfide promotes sulfidation of microscale zero-valent iron for superior Cr(VI) removal

JOURNAL OF HAZARDOUS MATERIALS (2022)

相关参考文献

注意：仅列出部分参考文献，下载原文获取全部文献信息。

Article Engineering, Environmental

Phase evolution of the surface iron (hydr)oxides to the iron sulfide through anion exchange during sulfidation of zero valent iron

Fengmin Li et al.

Summary: Passivation layers on zero valent iron (ZVI) surface can be transformed into iron sulfides through an anion exchange pathway; samples from different origins show varied activities in Cr(VI) sequestration after sulfidation; Fe remains unchanged after sulfidation, indicating a non-redox, anion exchange reaction pathway for the production of iron sulfides.

JOURNAL OF HAZARDOUS MATERIALS (2022)

添加到收藏夹

Article Engineering, Chemical

Insight into the Elemental Sulfur Corrosion of Carbon Steel in Chloride Bearing Media Using Electrochemical and Non-electrochemical Techniques

Asieh Erfanian et al.

Summary: This paper studies the corrosion of carbon steel induced by elemental sulfur in chloride-bearing media. The reduction of dissolved oxygen was found not to be the main cathodic reaction in the process of sulfur-induced corrosion. Severe corrosion primarily occurred in the peripheral region of sulfur deposition, forming a ring of FeS. However, the accumulation of FeS reduced the corrosion rate over time. In the long term, a galvanic couple was established between the peripheral and remote regions of sulfur deposition, leading to severe corrosion in areas far from the sulfur deposition.

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS (2022)

添加到收藏夹

Article Environmental Sciences

Morphology and structure of in situ FeS affect Cr(VI) removal by sulfidated microscale zero-valent iron with short-term ultrasonication

Yinshun Dai et al.

Summary: The morphology and structure of the external FexSy layer have a significant influence on the performance of sulfidated zero-valent iron (S-ZVI). FeS nanosheets with enhanced conductivity contribute to sulfidation more effectively, while agglomerated FeS particles are easily separated, resulting in the suppression of sulfidation. Furthermore, the removal of Cr(VI) by S-ZVI increases linearly with FeS content, and the chemical combination of FeS with ZVI shows more significant synergy.

CHEMOSPHERE (2022)

添加到收藏夹

Article Engineering, Environmental

Sulfidation of Zero-Valent Iron by Direct Reaction with Elemental Sulfur in Water: Efficiencies, Mechanism, and Dechlorination of Trichloroethylene

Shichao Cai et al.

Summary: Sulfidation of microscale ZVI using elemental sulfur as a reactant can achieve high efficiency in contaminant removal, with higher sulfidation efficiency compared to traditional sulfidation agents. The sulfidated mZVI has shown significantly enhanced reactivity and electron efficiency when reacting with trichloroethylene, making it a promising product for engineering applications.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

添加到收藏夹

Article Environmental Sciences

Novel core-shell sulfidated nano-Fe(0) particles for chromate sequestration: Promoted electron transfer and Fe(II) production

Xiaowei Zhu et al.

Summary: In this study, a novel sulfidated nZVI core-shell particles (FeS/Fe (0)) were successfully fabricated via a modified post sulfidation approach, showing better performance compared to traditional nano zero-valent iron in removing Cr(VI) from water. The sulfidated iron shell with higher electronegativity can accelerate iron corrosion, facilitate electron transfer, and improve the removal efficiency of Cr(VI).

CHEMOSPHERE (2021)

添加到收藏夹

Article Engineering, Environmental

Unveiling the Role of Sulfur in Rapid Defluorination of Florfenicol by Sulfidized Nanoscale Zero-Valent Iron in Water under Ambient Conditions

Zhen Cao et al.

Summary: This study demonstrates the rapid dechlorination and relatively fast defluorination abilities of SNZVI nanoparticles synthesized via a modified post-sulfidation method, providing a new potential for groundwater remediation of fluorinated contaminants. The presence of Cl atoms in florfenicol increases the surface chemical reactivity for defluorination, highlighting the importance of understanding the mechanistic insights for developing new materials. The results suggest that SNZVI could be a promising technology for in situ groundwater treatment due to its enhanced reactivity and high efficiency compared to Fe-0-based technologies.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Kirkendall Effect Boosts Phosphorylated nZVI for Efficient Heavy Metal Wastewater Treatment

Meiqi Li et al.

Summary: The study demonstrates that phosphorylated nanoscale zero-valent iron shows promising results in removing heavy metals from wastewater. Phosphorylation of nZVI leads to the generation of radial nanocracks, which facilitate the removal of heavy metals. This technology could be effective in treating electroplating factory wastewater and meeting local discharge regulations.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

添加到收藏夹

Article Engineering, Environmental

Coprecipitation of Fe/Cr Hydroxides with Organics: Roles of Organic Properties in Composition and Stability of the Coprecipitates

Ning Deng et al.

Summary: The study found that different types of organic matter have varying impacts on the sequestration of chromium in Fe/Cr-OM ternary systems and the stability of coprecipitates. Some organic matter exhibits strong complexation capabilities with Fe/Cr ions and Fe/Cr hydroxide particles, leading to structural disorder and fast aggregation of the coprecipitates.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

添加到收藏夹

Review Engineering, Environmental

Recent Advances in Sulfidated Zerovalent Iron for Contaminant Transformation

Ariel Nunez Garcia et al.

Summary: The development of S-(n)ZVI technology over the past decade has sparked significant interest due to its high reactivity towards chlorinated solvents and heavy metals. Researchers are actively exploring different synthesis approaches and properties to enhance the reactivity of S-(n)ZVI.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

添加到收藏夹

Article Chemistry, Organic

Fe-S Catalyst Generated In Situ from Fe(III)- and S3•--Promoted Aerobic Oxidation of Terminal Alkenes

Jing-Jing Ai et al.

Summary: An iron-sulfur complex formed by mixing FeCl3 with S-3(center dot-) from K2S is developed for selective aerobic oxidation of terminal alkenes. The reaction can be carried out under an atmosphere of O-2, and can proceed on a gram scale, expanding the application of S-3(center dot-) in organic synthesis. This study also encourages further exploration of the application of Fe-S catalysts in organic reactions.

ORGANIC LETTERS (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Sulfidized Nanoscale Zero-Valent Iron: Tuning the Properties of This Complex Material for Efficient Groundwater Remediation

Jiang Xu et al.

Summary: Sulfidized NZVI (SNZVI) has emerged as a promising material for groundwater remediation, expanding the range of reactive contaminants and significantly improving selectivity and reactive lifetime. SNZVI, a complex mixture of reactive metallic iron and iron sulfides, has desirable properties compared to traditional NZVI. Research is now focusing on understanding the factors influencing SNZVI reactivity and tuning synthesis conditions to control sulfur speciation for tailored reactivity towards specific groundwater contaminants.

ACCOUNTS OF MATERIALS RESEARCH (2021)

添加到收藏夹

Article Engineering, Environmental

Improvement of zero valent iron nanoparticles by ultrasound-assisted synthesis, study of Cr(VI) removal and application for the treatment of metal surface processing wastewater

Nourhane Bounab et al.

Summary: The reductive zero-valent iron nanoparticles were prepared to treat Cr(VI) solutions, showing efficient removal capabilities for both Cr(VI) and Ni(II) ions in metal wastewater. The ultrasonic synthesis method yielded nanoparticles with higher BET specific surface area and greater effectiveness for Cr(VI) removal compared to conventional iron nanoparticles.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Sulfur Loading and Speciation Control the Hydrophobicity, Electron Transfer, Reactivity, and Selectivity of Sulfidized Nanoscale Zerovalent Iron

Jiang Xu et al.

ADVANCED MATERIALS (2020)

添加到收藏夹

Article Engineering, Environmental

Oxidative Degradation of Organic Contaminants by FeS in the Presence of O2

Dong Cheng et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

添加到收藏夹

Article Nanoscience & Nanotechnology

Core-Shell Fe/FeS Nanoparticles with Controlled Shell Thickness for Enhanced Trichloroethylene Removal

Miroslav Brumovsky et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

添加到收藏夹

Article Engineering, Environmental

Iron and Sulfur Precursors Affect Crystalline Structure, Speciation, and Reactivity of Sulfidized Nanoscale Zerovalent Iron

Jiang Xu et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

添加到收藏夹

Article Engineering, Environmental

Enhanced immobilization of U(VI) using a new type of FeS-modified Fe0 core-shell particles

Jun Duan et al.

CHEMICAL ENGINEERING JOURNAL (2019)

添加到收藏夹

Article Environmental Sciences

Mechanism and influence factors of chromium(VI) removal by sulfide-modified nanoscale zerovalent iron

Dan Lv et al.

CHEMOSPHERE (2019)

添加到收藏夹

Article Engineering, Environmental

Sulfur Dose and Sulfidation Time Affect Reactivity and Selectivity of Post-Sulfidized Nanoscale Zerovalent Iron

Jiang Xu et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2019)

添加到收藏夹

Article Engineering, Environmental

Immobilization, enrichment and recycling of Cr(VI) from wastewater using a red mud/carbon material to produce the valuable chromite (FeCr2O4)

Changming Li et al.

CHEMICAL ENGINEERING JOURNAL (2018)

添加到收藏夹

Article Engineering, Environmental

Oxidation of Cr(III)-Fe(III) Mixed-Phase Hydroxides by Chlorine: Implications on the Control of Hexavalent Chromium in Drinking Water

Michelle Chebeir et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2018)

添加到收藏夹

Article Engineering, Environmental

Enhanced Reactivity and Electron Selectivity of Sulfidated Zerovalent Iron toward Chromate under Aerobic Conditions

Jinxiang Li et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2018)

添加到收藏夹

Article Engineering, Environmental

Dynamic interactions between sulfidated zerovalent iron and dissolved oxygen: Mechanistic insights for enhanced chromate removal

Qianqian Shao et al.

WATER RESEARCH (2018)

添加到收藏夹

Review Engineering, Environmental

Advances in Sulfidation of Zerovalent Iron for Water Decontamination

Jinxiang Li et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017)

添加到收藏夹

Article Engineering, Environmental

Reoxidation of Chromium(III) Products Formed under Different Biogeochemical Regimes

Charuleka Varadharajan et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017)

添加到收藏夹

Review Engineering, Environmental

Sulfidation of Iron-Based Materials: A Review of Processes and Implications for Water Treatment and Remediation

Dimin Fan et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017)

添加到收藏夹

Article Engineering, Environmental

Mechanochemically Sulfidated Microscale Zero Valent Iron: Pathways, Kinetics, Mechanism, and Efficiency of Trichloroethylene Dechlorination

Yawei Gu et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017)

添加到收藏夹

Article Environmental Sciences

Reduction of Cr(VI) in simulated groundwater by FeS-coated iron magnetic nanoparticles

Yanyan Gong et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2017)

添加到收藏夹

Article Engineering, Environmental

Homogeneous and Heterogeneous (Fex, Cr1-x)(OH)3 Precipitation: Implications for Cr Sequestration

Chong Dai et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2016)

添加到收藏夹

Article Engineering, Environmental

Kinetics and mechanisms of amorphous FeS2 induced Cr(VI) reduction

Yunyi Li et al.

JOURNAL OF HAZARDOUS MATERIALS (2016)

添加到收藏夹

Article Electrochemistry

Raman Spectroscopy of Mackinawite FeS in Anodic Iron Sulfide Corrosion Products

Georgi Genchev et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2016)

添加到收藏夹

Article Engineering, Environmental

Reductive sequestration of chromate by hierarchical FeS@Fe0 particles

Jiangkun Du et al.

WATER RESEARCH (2016)

添加到收藏夹

Article Nanoscience & Nanotechnology

Insight into Core-Shell Dependent Anoxic Cr(VI) Removal with Fe@Fe2O3 Nanowires: Indispensable Role of Surface Bound Fe(II)

Yi Mu et al.

ACS APPLIED MATERIALS & INTERFACES (2015)

添加到收藏夹

Article Engineering, Environmental

Birnessite (δ-MnO2) Mediated Degradation of Organoarsenic Feed Additive p-Arsanilic Acid

Lingling Wang et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2015)

添加到收藏夹

Article Engineering, Environmental

Occurrence of Surface Polysulfides during the Interaction between Ferric (Hydr)Oxides and Aqueous Sulfide

Moli Wan et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2014)

添加到收藏夹

Article Chemistry, Multidisciplinary

Formation of lepidocrocite (gamma-FeOOH) from oxidation of nanoscale zero-valent iron (nZVI) in oxygenated water

Airong Liu et al.

RSC ADVANCES (2014)

添加到收藏夹

Article Geochemistry & Geophysics

Pathways of ferrous iron mineral formation upon sulfidation of lepidocrocite surfaces

Katrin Hellige et al.

GEOCHIMICA ET COSMOCHIMICA ACTA (2012)

添加到收藏夹

Article Nanoscience & Nanotechnology

Facile Synthesis and Characterization of Fe/FeS Nanoparticles for Environmental Applications

Eun-Ju Kim et al.

ACS APPLIED MATERIALS & INTERFACES (2011)

添加到收藏夹

Article Engineering, Chemical

Reduction of Nitrite by Ultrasound-Dispersed Nanoscale Zero-Valent Iron Particles

Feng Liang et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2008)

添加到收藏夹

Article Engineering, Chemical

Stoichiometry of Cr(VI) immobilization using nanoscale zerovalent iron (nZVI): A study with high-resolution X-ray photoelectron Spectroscopy (HR-XPS)

Xiao-Qin Li et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2008)

添加到收藏夹

Article Spectroscopy

Raman identification of natural red to yellow pigments:: ochre and iron-containing ores

Francoise Froment et al.

JOURNAL OF RAMAN SPECTROSCOPY (2008)

添加到收藏夹

Article Chemistry, Physical

Characterization of the native surface thin film on pure polycrystalline iron: A high resolution XPS and TEM study

G. Bhargava et al.

APPLIED SURFACE SCIENCE (2007)

添加到收藏夹

Article Geochemistry & Geophysics

Kinetic study of hexavalent Cr(VI) reduction by hydrogen sulfide through goethite surface catalytic reaction

Chulsung Kim et al.

GEOCHEMICAL JOURNAL (2007)

添加到收藏夹

Article Engineering, Environmental

Catalysis of elemental sulfur nanoparticles on chromium(VI) reduction by sulfide under anaerobic conditions

YQ Lan et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2005)

添加到收藏夹

Article Engineering, Environmental

Influence of cadmium sorption on FeS2 oxidation

BC Bostick et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2000)

添加到收藏夹

© Peeref 2019-2024. All rights reserved.