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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 aThe biosorption process was found to be highly pH dependent and the optimum pH for the adsorption of Cr(VI) was 2.0±0.3 at 30±2 °C.

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

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Decontamination of Cr(VI) facilitated formation of persistent free radicals on rice husk derived biochar

Kaikai Zhang, Peng Sun, Yanrong Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1106-7

Abstract:

PFRs were produced on biochar during Cr(VI) decontamination.

PFRs formation on biochar was owing to the oxidization of phenolic-OH by Cr(VI).listitem>

Biochar charred at high temperature possessed great performance to Cr(VI) removal.

Keywords： Biochar     Persistent free radicals     Phenolic hydroxyl groups     Cr(VI) reduction    

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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: (VI) from wastewater.(VI).For actual wastewater containing Cr(VI), the Cr(VI) concentration was reduced from 25.8 to 0.4 mg∙LCr(VI) on TTCA/THT@Fe3O4 was(VI), maximizing adsorption.

Keywords： magnetic polymer     chromium removal     hydrogen bonding     recyclability     actual wastewater    

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Enhancement of extracellular Cr(VI) reduction for anammox recovery using hydrazine: performance, pathways

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1715-z

Abstract: ItemContent>

● N2H4 addition enhanced and recovered anammox performance under Cr(VI) stress.

Keywords： Extracellular Cr(VI) reduction     Electron transfer     Anammox     Hydrazine     Cr(VI) inhibition    

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Efficient removal of Cr(VI) and Pb(II) from aqueous solution by magnetic nitrogen-doped carbon

Wanyue Liu, Xiaoqin Liu, Jinming Chang, Feng Jiang, Shishi Pang, Hejun Gao, Yunwen Liao, Sheng Yu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1185-1196 doi: 10.1007/s11705-020-2032-8

Abstract: The capacity of MNC to adsorb Cr(VI) and Pb(II) was evaluated.The maximum Cr(VI)-adsorption capacity and maximum Pb(II) adsorption capacity of MNC could reach 456.63

Keywords： magnetic     nitrogen-doped carbon     adsorption     Cr(VI)     Pb(II)    

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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, sewageindicated that chemical functional groups hydroxyl and methyl on surface of biochar were involved in Cr(VI) binding and its reducing to Cr(III).Then, a portion of Cr(III) in form of various phosphate precipitates was bound onto biochar surface andIt 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    

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Response of indigenous Cd-tolerant electrochemically active bacteria in MECs toward exotic Cr(VI) based

Xia Hou, Liping Huang, Peng Zhou, Hua Xue, Ning Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1057-4

Abstract: /itemcontent>

Simultaneously quantitatively imaging Cd(II) and Cr

Keywords： Microbial electrolysis cell     Electrochemically active bacteria     Cd-tolerant bacteria     Cd(II) and Cr(VI)    

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Towards Cr(VI)-free anodization of aluminum alloys for aerospace adhesive bonding applications: A review

Shoshan T. Abrahami, John M. M. de Kok, Herman Terryn, Johannes M. C. Mol

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 465-482 doi: 10.1007/s11705-017-1641-3

Abstract: Unfortunately, this electrolyte contains hexavalent chromium (Cr(VI)), a compound known for its toxicityTo comply with the new strict international regulations, the Cr(VI)-era will soon have to come to anstructure, the excellent adhesion and corrosion resistance that is currently achieved by the complete Cr(VI)-based process is not easily matched.

Keywords： aluminum     Cr(VI)-free     surface pre-treatments     anodizing     adhesive bonding    

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three-dimensional porous La-doped SrTiO3 microspheres with enhanced visible light catalytic activity for Cr(VI) reduction

Dong Yang, Xiaoyan Zou, Yuanyuan Sun, Zhenwei Tong, Zhongyi Jiang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 440-449 doi: 10.1007/s11705-018-1700-4

Abstract: edge of LST samples shifts toward the visible light region, and their photocatalytic activity for the Cr(VI) reduction is enhanced under visible light.content is 0.5 wt-%) exhibited the highest visible-light photocatalytic activity, which can reduce 84% Cr(VI) within 100 min.

Keywords： SrTiO3     La3+ doping     porous microsphere     visible-light photocatalysis     Cr(VI) reduction    

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Biosorption of Cr(VI) by carbonized

Jinfa CHEN,Ping YANG,Dagang SONG,Sha YANG,Li ZHOU,Lei HAN,Bo LAI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 960-966 doi: 10.1007/s11783-013-0612-2

Abstract: The biosorbent was used for Cr(VI) removal.Cr(VI) removal efficiency is found to be maximum (98%) at pH= 1.The maximum adsorption capacities for Cr(VI) ranged from 46.23 to 55.19 mg·g for temperature between(VI) adsorption.(VI) and would be a promising adsorbent.

Keywords： Eupatorium adenophorum     buckwheat straw     adsorption     Cr(VI)     thermodynamics    

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

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)    

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polyhedral NiS/NiS nanocrystals with excellent photocatalytic performance for removing rhodamine B and Cr(VI)

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1537-1549 doi: 10.1007/s11705-021-2094-2

Abstract: Hence, photoreduction of Cr(VI) to Cr(III) and degradation of rhodamine B (RhB) using a novel photocatalystsolvothermal method and a double Z-scheme heterojunction was constructed for efficiently removing RhB and Cr(VI).(VI) after 120 min, which was about 3 times higher than that of NiS2/NiS (34%).(VI) was studied, the results indicated that graphene-like h-BN promoted transportation of photoinduced

Keywords： graphene-like h-BN     h-BN/NiS2/NiS composites     photocatalysis     Cr(VI) reduction    

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Selective targeted adsorption and inactivation of antibiotic-resistant bacteria by Cr-loaded mixed metal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1502-7

Abstract:

• LDHs and MMOs was synthesized by ultrasound-assisted one-step co-precipitation.

Keywords： Heavy metal adsorption     Magnetic hydrotalcite     ARBs removal     Cr(VI)-MMOs combined antibacterial activity    

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Crosslinking acrylamide with EDTA-intercalated layered double hydroxide for enhanced recovery of Cr(VI

Jing Li, Haiqin Yu, Xue Zhang, Rixin Zhu, Liangguo Yan

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1229-x

Abstract: Functional groups of AM and EDTA in composite increased removal of Cr(VI) and CR.Elimination of Cr(VI) was promoted by coexisting CR.Adsorption process of CR was less influenced by the presence of Cr(VI).of CR was almost not influenced by coexisting Cr(VI).In the Cr(VI) adsorption process, reduction also took place.

Keywords： Chromate     Dye adsorption     Simultaneous removal     Cross-linking method     Amino functionalization    

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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    

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Title Author Date Type Operation

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

Paul Fabrice NGUEMA,Zejiao LUO,Jingjing LIAN

Journal Article

Decontamination of Cr(VI) facilitated formation of persistent free radicals on rice husk derived biochar

Kaikai Zhang, Peng Sun, Yanrong Zhang

Journal Article

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

Journal Article

Enhancement of extracellular Cr(VI) reduction for anammox recovery using hydrazine: performance, pathways

Journal Article

Efficient removal of Cr(VI) and Pb(II) from aqueous solution by magnetic nitrogen-doped carbon

Wanyue Liu, Xiaoqin Liu, Jinming Chang, Feng Jiang, Shishi Pang, Hejun Gao, Yunwen Liao, Sheng Yu

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

Response of indigenous Cd-tolerant electrochemically active bacteria in MECs toward exotic Cr(VI) based

Xia Hou, Liping Huang, Peng Zhou, Hua Xue, Ning Li

Journal Article

Towards Cr(VI)-free anodization of aluminum alloys for aerospace adhesive bonding applications: A review

Shoshan T. Abrahami, John M. M. de Kok, Herman Terryn, Johannes M. C. Mol

Journal Article

three-dimensional porous La-doped SrTiO3 microspheres with enhanced visible light catalytic activity for Cr(VI) reduction

Dong Yang, Xiaoyan Zou, Yuanyuan Sun, Zhenwei Tong, Zhongyi Jiang

Journal Article

Biosorption of Cr(VI) by carbonized

Jinfa CHEN,Ping YANG,Dagang SONG,Sha YANG,Li ZHOU,Lei HAN,Bo LAI

Journal Article

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

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

Journal Article

polyhedral NiS/NiS nanocrystals with excellent photocatalytic performance for removing rhodamine B and Cr(VI)

Journal Article

Selective targeted adsorption and inactivation of antibiotic-resistant bacteria by Cr-loaded mixed metal

Journal Article

Crosslinking acrylamide with EDTA-intercalated layered double hydroxide for enhanced recovery of Cr(VI

Jing Li, Haiqin Yu, Xue Zhang, Rixin Zhu, Liangguo Yan

Journal Article

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

Journal Article