Resource Type

Journal Article 151

Conference Videos 2

Year

2023 18

2022 20

2021 17

2020 16

2019 12

2018 6

2017 7

2016 11

2015 11

2014 9

2013 4

2012 5

2011 5

2010 4

2009 3

2008 1

2004 1

open ︾

Keywords

Cr(VI) 8

nanoparticles 8

Adsorption 4

Chromium 4

Nanoparticles 4

Cr(VI) reduction 3

Hexavalent chromium 3

thermodynamics 3

Co nanoparticles 2

Different 2

Extracellular polymeric substances 2

Fe3O4 nanoparticles 2

TiO2 nanoparticles 2

adsorption 2

chromium 2

copper nanoparticles 2

drug delivery 2

hexavalent chromium 2

kinetics 2

open ︾

Search scope:

排序： Display mode:

from metagenomic, metatranscriptomic, and molecular ecological network analyses into the effects of chromiumnanoparticles on activated sludge system

Quan Zheng, Minglu Zhang, Tingting Zhang, Xinhui Li, Minghan Zhu, Xiaohui Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1239-8

Abstract: Abstract • Cr NPs significantly promoted the denitrifying process and phosphorus removal. • The quantitiesgreatly increased. • The networks associated with nitrogen and phosphorus removal became complicated. • CrNPs decreased some genera related to GAOs.The objectives of this study were to investigate the influence of chromium nanoparticles (Cr NPs) onThe results showed that long-term exposure to 1 mg/L Cr NPs significantly promoted the denitrifying process

Keywords： Chromium nanoparticles (Cr NPs)     Metagenomic analysis     Metatranscriptomic analysis     Molecular ecological    

HTML PDF Collect

The biosorption of Cr(VI) ions by dried biomass obtained from a chromium-resistant bacterium

Paul Fabrice NGUEMA,Zejiao LUO,Jingjing LIAN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 454-464 doi: 10.1007/s11705-014-1456-4

Abstract: However, there is little data on the biosorption mechanism of Cr(VI) by dried biomass.So the bio-removal of Cr(VI) ions from aqueous solutions was investigated using dried biomass from achromium-resistant bacterium.The biosorption process was found to be highly pH dependent and the optimum pH for the adsorption of Cr

Keywords： Cr(VI)     biomass     Bacillus cereus Pf-1     biosorption capacity     biosorbents    

HTML PDF Collect

Hyperbranched magnetic polymer: highly efficient removal of Cr(VI) and application in electroplating

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1568-1580 doi: 10.1007/s11705-023-2303-2

Abstract: polymer (TTCA/THT@Fe3O4) was synthesized to achieve the efficient removal of Cradsorption conditions, the maximum adsorption capacity of TTCA/THT@Fe3O4 for CrFor actual wastewater containing Cr(VI), the Cr(VI) concentration was reduced from 25.8 to 0.4 mg∙LCr/N and Cr/S coordination bonds.(VI) and total chromium in water.

Keywords： magnetic polymer     chromium removal     hydrogen bonding     recyclability     actual wastewater    

HTML PDF Collect

Effects of irradiation on chromium’s behavior in ferritic/martensitic FeCr alloy

Xinfu HE, Wen YANG, Zhehao QU, Sheng FAN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 181-183 doi: 10.1007/s11708-009-0025-x

Abstract: The effects of irradiation on chromium performance under different temperatures in Fe-20at%Cr were modeledChromium precipitation was observed in FeCr alloy after irradiation; interstitial Chromium atoms arethe preferred formation of mixed Fe-Cr dumbbells in the direction of<110>and<111>; interstitial chromium

Keywords： irradiation     Fe-20at%Cr alloy     chromium segregation    

HTML PDF Collect

Biogenic palladium prepared by activated sludge microbes for the hexavalent chromium catalytic reduction

Luman Zhou, Chengyang Wu, Yuwei Xie, Siqing Xia

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1206-4

Abstract: • Pd nanoparticles could be reduced and supported by activated sludge microbes. • The effect of biomassIn this study, Pd nanoparticles (PdNPs) were generated through enzymatic recovery by microbes of activatedsludge at various biomass/Pd, and further used for the Cr(VI) reduction.In the Cr(VI) reduction experiments, Cr(VI) was first adsorbed on bio-Pd with hydrogen and then reduced50 mg/L of Cr(VI) could be rapidly reduced in one minute.

Keywords： Palladium nanoparticles     Activated sludge     Hexavalent chromium    

HTML PDF Collect

Effects of phosphorus concentration on Cr(VI) sorption onto phosphorus-rich sludge biochar

DING Wenchuan,PENG Wenlong,ZENG Xiaolan,TIAN Xiumei

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 379-385 doi: 10.1007/s11783-013-0606-0

Abstract: To investigate effects of phosphorus content on Cr(VI) sorption onto phosphorus-rich biochar, sewageBiochar produced from sludge with phosphorus concentration of 20 mg·g gave the largest chromium sorptionThe chromium loaded biochar was analyzed using Fourier Transform Infrared Spectroscopy and X-ray Diffraction(VI) binding and its reducing to Cr(III).It also could react with Cr(III) on the biochar surface that impacted on capacity of Cr(VI) removal from

Keywords： phosphorus     biochar     sewage sludge     hexavalent chromium     adsorption    

HTML PDF Collect

Ecotoxicological effect of zinc oxide nanoparticles on soil microorganisms

Zhaoyi SHEN,Zhuo CHEN,Zhen HOU,Tingting LI,Xiaoxia LU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 912-918 doi: 10.1007/s11783-015-0789-7

Abstract: The widespread production and use of zinc oxide nanoparticles (ZnO-NPs) in recent years have posed potentialIn various ZnO-NPs treatments (1 mg, 5 mg, and 10 mg ZnO-NPs per g soil), DH activity and FDAH activitySoil type affected the toxicity of ZnO-NPs in soil.The toxicity was not accounted for by the Zn released from the ZnO-NPs.Direct interaction of ZnO-NPs with biologic targets might be one of the reasons.

Keywords： zinc oxide nanoparticles (ZnO-NPs)     soil microorganisms     respiration     ammonification     dehydrogenase (DH)    

HTML PDF Collect

Cu/Cr co-stabilization mechanisms in a simulated AlO-FeO-CrO-CuO waste system

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1408-4

Abstract:

• Cu and Cr can be mostly incorporated into CuFexAlyCr2−x−yO

Keywords： Spinel structure     Copper     Chromium     Co-stabilization     Thermal treatment    

HTML PDF Collect

Application of metal oxides-based nanofluids in PV/T systems: a review

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 397-428 doi: 10.1007/s11708-021-0758-8

Abstract: have been proved to have the highest thermal efficiency of 86% in the PV/T system, but TiO2 nanoparticles

Keywords： metal oxide     nanofluids (NFs)     nanoparticles (NPs)     optical filter     PV/T systems     solar energy    

HTML PDF Collect

Dual-functional sites for synergistic adsorption of Cr(VI) and Sb(V) by polyaniline-TiO hydrate: Adsorption

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1526-7

Abstract:

• PANI/Ti(OH)n(4–n)+ exhibited excellent adsorption capacity and reusability.

Keywords： Polyaniline/TiO2     Chromium     Antimony     Adsorption     Desorption     Mechanism    

HTML PDF Collect

In situ synthesis of FeS/Carbon fibers for the effective removal of Cr(VI) in aqueous solution

Rongrong Zhang, Daohao Li, Jin Sun, Yuqian Cui, Yuanyuan Sun

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1247-8

Abstract: Iron sulfide (FeS) nanoparticles (termed FSNs) have attracted much attention for the removal of pollutantsThe obtained FeS/carbon fibers were used to control a Cr(VI) polluted solution, and exhibited a relativelyThe main mechanisms included the reduction of FeS, electrostatic adsorption of carbon fibers, and Cr(

Keywords： Carrageenan     FeS     Double-helix structure     Hexavalent chromium    

HTML PDF Collect

Biosorption of Cr(III) from aqueous solution by freeze-dried activated sludge: Equilibrium, kinetic and

Qian YAO, Hua ZHANG, Jun WU, Liming SHAO, Pinjing HE,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 286-294 doi: 10.1007/s11783-010-0025-4

Abstract: Batch biosorption experiments were conducted to remove Cr(III) from aqueous solutions using activatedinvestigation was conducted on the effects of the initial pH, contact time, temperature, and initial CrThe results revealed that the activated sludge exhibited the highest Cr(III) uptake capacity (120 mg·g) at 45°C, initial pH of 4, and initial Cr(III) concentration of 100 mg·L.second-order kinetic models were adopted to describe the experimental data, which revealed that the Cr

Keywords： activated sludge     biosorption     chromium     film diffusion     kinetics     thermodynamics    

HTML PDF Collect

zeolite Na-P1 from coal fly ash produced by gasification and its application as adsorbent for removal of Cr

Yixin Zhang, Lu Zhou, Liqing Chen, Yang Guo, Fanhui Guo, Jianjun Wu, Baiqian Dai

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 518-527 doi: 10.1007/s11705-020-1926-9

Abstract: When the synthesized zeolite with the highest CEC (275.5 meq/100 g) was used for the adsorption of Cr(VI) from aqueous solution, the maximum adsorption capacity for Cr(VI) was found to be 17.924 mg/g.The effects of pH, contact time and initial concentration on the adsorption of Cr(VI) were also investigated

Keywords： coal fly ash     gasification     zeolite     Na-P1     chromium(VI)    

HTML PDF Collect

Stabilization of hexavalent chromium with pretreatment and high temperature sintering in highly contaminated

Haiyan Mou, Wenchao Liu, Lili Zhao, Wenqing Chen, Tianqi Ao

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1353-7

Abstract: with ferric sulfate (FeSO4), sodium sulfide (Na2S), or citric acid (C6H8O7) in stabilizing hexavalent chromiumThis combined treatment greatly improved the stabilization efficiency of chromium because the reductionof Cr(VI) into Cr(III) decreased the mobility of chromium and made it more easily encapsulated in mineralscompounds, which significantly decreased subsequent leaching of chromium from the soil.easily as Cr(III).

Keywords： Chromium     Heavy contaminated soil     Reduction     Sintering     Stabilization     Speciation    

HTML PDF Collect

Concurrent adsorption and reduction of chromium(VI) to chromium(III) using nitrogen-doped porous carbon

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1491-6

Abstract:

• A high-efficiency N-doped porous carbon adsorbent for Cr(VI) was synthesized

Keywords： Chromium(VI)     Nitrogen-doped porous carbon     Adsorption     Reduction     Loofah sponge    

HTML PDF Collect

Title Author Date Type Operation

from metagenomic, metatranscriptomic, and molecular ecological network analyses into the effects of chromiumnanoparticles on activated sludge system

Quan Zheng, Minglu Zhang, Tingting Zhang, Xinhui Li, Minghan Zhu, Xiaohui Wang

Journal Article

The biosorption of Cr(VI) ions by dried biomass obtained from a chromium-resistant bacterium

Paul Fabrice NGUEMA,Zejiao LUO,Jingjing LIAN

Journal Article

Hyperbranched magnetic polymer: highly efficient removal of Cr(VI) and application in electroplating

Journal Article

Effects of irradiation on chromium’s behavior in ferritic/martensitic FeCr alloy

Xinfu HE, Wen YANG, Zhehao QU, Sheng FAN

Journal Article

Biogenic palladium prepared by activated sludge microbes for the hexavalent chromium catalytic reduction

Luman Zhou, Chengyang Wu, Yuwei Xie, Siqing Xia

Journal Article

Effects of phosphorus concentration on Cr(VI) sorption onto phosphorus-rich sludge biochar

DING Wenchuan,PENG Wenlong,ZENG Xiaolan,TIAN Xiumei

Journal Article

Ecotoxicological effect of zinc oxide nanoparticles on soil microorganisms

Zhaoyi SHEN,Zhuo CHEN,Zhen HOU,Tingting LI,Xiaoxia LU

Journal Article

Cu/Cr co-stabilization mechanisms in a simulated AlO-FeO-CrO-CuO waste system

Journal Article

Application of metal oxides-based nanofluids in PV/T systems: a review

Journal Article

Dual-functional sites for synergistic adsorption of Cr(VI) and Sb(V) by polyaniline-TiO hydrate: Adsorption

Journal Article

In situ synthesis of FeS/Carbon fibers for the effective removal of Cr(VI) in aqueous solution

Rongrong Zhang, Daohao Li, Jin Sun, Yuqian Cui, Yuanyuan Sun

Journal Article

Biosorption of Cr(III) from aqueous solution by freeze-dried activated sludge: Equilibrium, kinetic and

Qian YAO, Hua ZHANG, Jun WU, Liming SHAO, Pinjing HE,

Journal Article

zeolite Na-P1 from coal fly ash produced by gasification and its application as adsorbent for removal of Cr

Yixin Zhang, Lu Zhou, Liqing Chen, Yang Guo, Fanhui Guo, Jianjun Wu, Baiqian Dai

Journal Article

Stabilization of hexavalent chromium with pretreatment and high temperature sintering in highly contaminated

Haiyan Mou, Wenchao Liu, Lili Zhao, Wenqing Chen, Tianqi Ao

Journal Article

Concurrent adsorption and reduction of chromium(VI) to chromium(III) using nitrogen-doped porous carbon

Journal Article