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Optimizing synthesis conditions of nanoscale zero-valent iron (nZVI) through aqueous reactivity assessment

Yanlai HAN,Michael D. Y. YANG,Weixian ZHANG,Weile YAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 813-822 doi: 10.1007/s11783-015-0784-z

Abstract: Nanoscale iron particles (nZVI) is one of the most important engineered nanomaterials applied to environmentalIn this study, four reaction parameters were adjusted in the preparation of borohydride-reduced nZVI.of iron precursor, borohydride feed rate, and the loading ratio of borohydride to ferric ion duringSolution mixing speed, in contrast, carries a relative small weight on the reactivity of nZVI.assay is valid in dilute aqueous solutions only (50 mg·L or lower) due to accelerated deactivation of iron

Keywords： iron nanoparticles     nanoscale iron particles (nZVI)     synthesis     characterization     Cu(II) reduction     nitrate    

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Nanoscale Zero-Valent Iron (nZVI) for Heavy Metal Wastewater Treatment: A Perspective

Shaolin Li,Lei Li,Weixian Zhang,

Engineering doi: 10.1016/j.eng.2023.08.012

Abstract: Among such initiatives, treatment using nanoscale zero-valent iron (nZVI) is one of the best developedWhile nZVI is already well known for its site-remediation use, this perspective highlights its applicationcapture and enrich metal(loid)s at low concentrations (with a removal capacity reaching 500 mg·g–1 nZVIAll these advantages are attributable to nZVI’s diminutive nanoparticle size and/or its unique iron chemistryIt is concluded that nZVI is a potent reagent for treating HMW and that nZVI technology provides an eco-solution

Keywords： Nanoscale zero-valent iron     Wastewater     Heavy metal     Resource recovery    

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Cation exchange resin supported nanoscale zero-valent iron for removal of phosphorus in rainwater runoff

XIE Bangmi,ZUO Jiane,GAN Lili,LIU Fenglin,WANG Kaijun

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 463-470 doi: 10.1007/s11783-013-0575-3

Abstract: Self-made cation exchange resin supported nanoscale zero-valent iron (R-nZVI) was used to remove phosphorusrainwater, while only 26% of phosphorus was removed when using cation exchange resin without supported nanoscalezero-valent iron under the same condition.The specific surface area was increased after the load of nanoscale zero-valent iron (nZVI), accordingspectroscopy (XPS) analysis showed that the new product obtained from chemical reaction between phosphate and iron

Keywords： nanoscale zero-valent iron(R-nZVI)     cation exchange resin     rainwater runoff     phosphorus adsorption    

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The inactivation of bacteriophages MS2 and PhiX174 by nanoscale zero-valent iron: Resistance difference

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1529-4

Abstract:

• The resistance of phage PhiX174 to nZVI was much stronger than that

Keywords： Nanoscale zero-valent iron (nZVI)     MS2     PhiΧ174     Resistance     Inactivation     Pathogenic microorganisms    

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An adsorption study of

Lingxiao FU, Jianhua ZU, Enxi GU, Huan WANG, Linfeng HE

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 11-17 doi: 10.1007/s11708-019-0634-y

Abstract: Nanoscale zero-valent iron (nZVI) supported on D001 resin (D001-nZVI) was synthesized for adsorptionX-ray diffraction patterns revealed the reduction of into ReO immobilized in D001-nZVI.

Keywords： technetium     nanoscale zero-valent iron (nZVI)     D001 resin     adsorption    

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Nanoscale zero-valent iron supported on biochar for the highly efficient removal of nitrobenzene

Gaoling Wei, Jinhua Zhang, Jinqiu Luo, Huajian Xue, Deyin Huang, Zhiyang Cheng, Xinbai Jiang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1142-3

Abstract:

• Biochar supported nanoscale zero-valent iron composite (nZVI/BC

• nZVI/BC quickly and efficiently removed nitrobenzene

• NB removal by nZVI/BC involves simultaneous

• nZVI/BC exhibited better catalytic activity, stability and durability than nZVI.

Keywords： Biochar     Nanoscale zero-valent iron     Nitrobenzene     Reduction     Adsorption     Synergistic effec    

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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 particlesAdsorption on sepiolite-supported nZVI particles also played a role in the removal of BDE-209.Our findings indicate that the particles have potential applications in removing environmental pollutants

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

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Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 840-849 doi: 10.1007/s11783-015-0781-2

Abstract: In this study, nanoscale zero-valent iron (NZVI) were immobilized within a chelating resin (DOW 3N).To investigate the effect of Fe loading on NZVI reactivity, three NZVI-resin composites with differentTEM reveals that increasing the Fe loading resulted in much larger size and poor dispersion of nanoscaleiron particles.Under acidic conditions, decreasing the pH value had the most significant influence on NZVI-R3 with highest

Keywords： nanoscale zero valent iron     loading quantity     reduction     chelating resin     bromated    

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Effect of humic acid and metal ions on the debromination of BDE209 by nZVM prepared from steel pickling waste liquor

Yuling CAI,Bin LIANG,Zhanqiang FANG,Yingying XIE,Eric Pokeung TSANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 879-887 doi: 10.1007/s11783-014-0764-8

Abstract: As a promising in situ remediation technology, nanoscale zero-valent iron (nZVI) can remove polybrominatedUsing steel pickling waste liquor as a raw material to prepare nanoscale zero-valent metal (nZVM) canThe results showed that nZVM and nZVI both can effectively remove BDE209 with little difference in theirThe major difference between nZVM and nZVI lies in their crystal form, as nZVI was found to be amorphousHowever, it was found that both nZVM and nZVI removed BDE209 with similar removal efficiencies.

Keywords： steel pickling waste liquor     nanoscale zero-valet metal     nanoscale zero-valent iron     humic acid     metal ion    

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Conversion Mechanism of Biomass to Nano Zero-Valent Iron Biochar: Iron Phase Transfer and In situ Reduction Article

Shengnan Zhuo, Hongyu Ren, Guojun Xie, Defeng Xing, Bingfeng Liu

Engineering 2023, Volume 21, Issue 2,   Pages 124-134 doi: 10.1016/j.eng.2021.07.012

Abstract:

Nano zero-valent iron biochar (nZVI–BC), an environmentally-friendlyHowever, the lack of a method of converting biomass to the nZVI–BC involved in biomass modificationmodification system with FeCl3·6H2O, and activated RS was prepared to nZVIThe addition of PEG400 promoted the hydrolysis of iron ion and improved the RS surface structure, promotingAmorphous carbon and Fe2O3 were subjected to redox reactions to form nZVI&ndash

Keywords： Conversion mechanism     Biomass modification     nZVI-biochar preparation     In situ pyrolysis     Iron    

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Removing polybrominated diphenyl ethers in pure water using Fe/Pd bimetallic nanoparticles

Min ZHANG,Jian LU,Zhencheng XU,Yiliang HE,Bo ZHANG,Song JIN,Brian BOMAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 832-839 doi: 10.1007/s11783-015-0778-x

Abstract: usage, and environmental persistence, PBDEs have become ubiquitous contaminants in various environments.Nanoscalezero-valent iron (ZVI) is an effective reductant for many halogenated organic compounds.Approximately 90% of BDE209 was rapidly removed by nZVI/Pd within 80 min, whereas about 25% of BDE209was removed by nZVI.Degradation of BDE209 by nZVI/Pd fits pseudo-first-order kinetics.

Keywords： degradation     bimetallic nanoparticles     nanoscale zero-valent iron     polybrominated diphenyl ethers    

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Dechlorination of dichlorodiphenyltrichloroethane (DDT) by Fe/Pd bimetallic nanoparticles: Comparison with nZVI

Kubra Ulucan-Altuntas, Eyup Debik

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1196-2

Abstract: The oxidation effect of nZVI on DDT is greatly improved when Pd is dopped.The dechlorination of DDT is more like to DDE via Fe/Pd but to DDD via nZVI.Degradation products concentrations are lowered via Fe/Pd when compared with nZVI.nanoparticle was synthesized using the catalytic element palladium to increase the effect of nano zero valent iron(nZVI), in the light of the information obtained from our previous study, in which the nZVI synthesis

Keywords： Persistent organic pollutants     nZVI     Bimetallic nanoparticle     Organochlorine pesticides     DDT    

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Immobilization of NZVI in polydopamine surface-modified biochar for adsorption and degradation of tetracycline

Xiangyu Wang, Weitao Lian, Xin Sun, Jun Ma, Ping Ning

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1066-3

Abstract: listitem>

Novel method for polydopamine (PDA) modified biochar (BC) with immobilized NZVI

PDA/NZVI@BC exhibits significantly enhanced activitylistitem>

TC removal efficiency was increased by 55.9% compared with that of pristine NZVI/p>

The mechanism of tetracycline removal by PDA/NZVI

Keywords： Biochar     Polydopamine     NZVI     Modification     Tetracycline    

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Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1372-4

Abstract:

• The MCNZVI is prepared as an interesting material for PS activation.

Keywords： MCNZVI     Core-shell structure     Reactive Black 5     Persulfate     Mechanism    

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Axisymmetric loading on nanoscale multilayered media

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 152-164 doi: 10.1007/s11709-022-0895-0

Abstract: Multilayered nanoscale structures are used in several applications.In addition, the indentation problem of a multilayered nanoscale elastic medium under a rigid frictionless

Keywords： functionally graded layer     Gurtin–Murdoch surface elasticity     multilayered medium     size dependency     stiffness matrix    

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Title Author Date Type Operation

Optimizing synthesis conditions of nanoscale zero-valent iron (nZVI) through aqueous reactivity assessment

Yanlai HAN,Michael D. Y. YANG,Weixian ZHANG,Weile YAN

Journal Article

Nanoscale Zero-Valent Iron (nZVI) for Heavy Metal Wastewater Treatment: A Perspective

Shaolin Li,Lei Li,Weixian Zhang,

Journal Article

Cation exchange resin supported nanoscale zero-valent iron for removal of phosphorus in rainwater runoff

XIE Bangmi,ZUO Jiane,GAN Lili,LIU Fenglin,WANG Kaijun

Journal Article

The inactivation of bacteriophages MS2 and PhiX174 by nanoscale zero-valent iron: Resistance difference

Journal Article

An adsorption study of

Lingxiao FU, Jianhua ZU, Enxi GU, Huan WANG, Linfeng HE

Journal Article

Nanoscale zero-valent iron supported on biochar for the highly efficient removal of nitrobenzene

Gaoling Wei, Jinhua Zhang, Jinqiu Luo, Huajian Xue, Deyin Huang, Zhiyang Cheng, Xinbai Jiang

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

Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Journal Article

Effect of humic acid and metal ions on the debromination of BDE209 by nZVM prepared from steel pickling waste liquor

Yuling CAI,Bin LIANG,Zhanqiang FANG,Yingying XIE,Eric Pokeung TSANG

Journal Article

Conversion Mechanism of Biomass to Nano Zero-Valent Iron Biochar: Iron Phase Transfer and In situ Reduction

Shengnan Zhuo, Hongyu Ren, Guojun Xie, Defeng Xing, Bingfeng Liu

Journal Article

Removing polybrominated diphenyl ethers in pure water using Fe/Pd bimetallic nanoparticles

Min ZHANG,Jian LU,Zhencheng XU,Yiliang HE,Bo ZHANG,Song JIN,Brian BOMAN

Journal Article

Dechlorination of dichlorodiphenyltrichloroethane (DDT) by Fe/Pd bimetallic nanoparticles: Comparison with nZVI

Kubra Ulucan-Altuntas, Eyup Debik

Journal Article

Immobilization of NZVI in polydopamine surface-modified biochar for adsorption and degradation of tetracycline

Xiangyu Wang, Weitao Lian, Xin Sun, Jun Ma, Ping Ning

Journal Article

Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive

Journal Article

Axisymmetric loading on nanoscale multilayered media

Journal Article