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Cr(VI) 8

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Bacillus cereus Pf-1 1

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Magnetic KIT-6 nano-composite and its amino derivatives as convenient adsorbent for U(VI) sequestration

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2037-2049 doi: 10.1007/s11705-023-2358-0

Abstract: The prepared materials exhibited excellent properties for U(VI) ions removal from aqueous solutions underThe experimental data show that the U(VI) adsorption features fast adsorption kinetics, high adsorptioncapacity and ideal selectivity toward U(VI).pristine KIT-6, the introduction of magnetism does not reduce the efficiency of the material to remove U(VI) while exerting its role as a recovery adsorbent.

Keywords: magnetic nanoparticle     3D mesoporous silica     amino functionalization     adsorption of U(VI)     acid resistance    

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 abiosorption process was found to be highly pH dependent and the optimum pH for the adsorption of Cr(VI

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

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.listitem>

PFRs formation on biochar was owing to the oxidization of phenolic-OH by Cr(VIlistitem>

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

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

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    

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 Cr(VIadsorption conditions, the maximum adsorption capacity of TTCA/THT@Fe3O4 for Cr(VIthe removal efficiency can approach 98.9%, even at the lower concentration of 20 mg∙L‒1 Cr(VIFor actual wastewater containing Cr(VI), the Cr(VI) concentration was reduced from 25.8 to 0.4 mg∙LVI) on TTCA/THT@Fe3O4 was

Keywords: magnetic polymer     chromium removal     hydrogen bonding     recyclability     actual wastewater    

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

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

A building-based data capture and data mining technique for air quality assessment

Ni SHENG, U Wa TANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 543-551 doi: 10.1007/s11783-011-0369-4

Abstract: Recently, a building-based air quality model system which can predict air quality in front of individual buildings along both sides of a road has been developed. Using the Macau Peninsula as a case study, this paper shows the advantages of building-based model system in data capture and data mining. Compared with the traditional grid-based model systems with input/output spatial resolutions of 1–2 km, the building-based approach can extract the street configuration and traffic data building by building and therefore, can capture the complex spatial variation of traffic emission, urban geometry, and air pollution. The non-homogeneous distribution of air pollution in the Macau Peninsula was modeled in a high-spatial resolution of 319 receptors·km . The spatial relationship among air quality, traffic flow, and urban geometry in the historic urban area is investigated. The study shows that the building-based approach may open an innovative methodology in data mining of urban spatial data for environmental assessment. The results are particularly useful to urban planners when they need to consider the influences of urban form on street environment.

Keywords: traffic air pollution     spatial distribution     high resolution     geographic information system    

Is there an inverted U-shaped curve?

Fei LI,Suocheng DONG,Fujia LI,Libiao YANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 276-287 doi: 10.1007/s11783-014-0700-y

Abstract: This relationship takes on the inverted U-shaped Environmental Kuznets Curve, and the value of the turning

Keywords: Environmental Kuznets Curve     agrochemical     China    

Application of Fe(VI) in abating contaminants in water: State of art and knowledge gaps

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1373-3

Abstract:

• The properties of Fe(VI) were summarized.

Keywords: Ferrate     Oxidation     Disinfection     Coagulation     Enhancement    

A biological effectiveness study on U251 induced by fast neutrons

Yang Lei,Wang Xiao,Kong Fuquan,Sui Li,Cui Suzhen,Zheng Jieying,Ma Nanru,Zhao Kui

Strategic Study of CAE 2012, Volume 14, Issue 8,   Pages 91-95

Abstract:

Objective: U251 cells were exposed to fast neutrons of 14 MeV energy,

Keywords: fast neutron     U251 cell     biological effectiveness     dose respond curve    

A rolling 6U parallel mechanism

Zhihuai MIAO, Yanan YAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 96-98 doi: 10.1007/s11465-011-0214-2

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)    

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

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)    

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(VIIt 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    

Effect of end-to-end invagination pancreaticojejunostomy with circle discontinuous U suture in pancreatic

ZHANG Xuewen, XUAN Wei, JIANG Tao, JI Degang, YANG Yongsheng, ZHANG Dan, XIE Yingjun, MENG Zihui, ZHAO Jisheng

Frontiers of Medicine 2007, Volume 1, Issue 1,   Pages 46-48 doi: 10.1007/s11684-007-0009-3

Abstract: new operative method called end-to-end invagination pancreaticojejunostomy with circle discontinuous Upancreatic fistula occurred in end-to-end invagination pancreaticojejunostomy with circle discontinuous Urate of the fistula following end-to-end invagination pancreaticojejunostomy with circle discontinuous UEnd-to-end invagination pancreaticojejunostomy with circle discontinuous U suture has a definite effect

Title Author Date Type Operation

Magnetic KIT-6 nano-composite and its amino derivatives as convenient adsorbent for U(VI) sequestration

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

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

Kaikai Zhang, Peng Sun, Yanrong Zhang

Journal Article

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

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

A building-based data capture and data mining technique for air quality assessment

Ni SHENG, U Wa TANG

Journal Article

Is there an inverted U-shaped curve?

Fei LI,Suocheng DONG,Fujia LI,Libiao YANG

Journal Article

Application of Fe(VI) in abating contaminants in water: State of art and knowledge gaps

Journal Article

A biological effectiveness study on U251 induced by fast neutrons

Yang Lei,Wang Xiao,Kong Fuquan,Sui Li,Cui Suzhen,Zheng Jieying,Ma Nanru,Zhao Kui

Journal Article

A rolling 6U parallel mechanism

Zhihuai MIAO, Yanan YAO

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

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

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

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

Effect of end-to-end invagination pancreaticojejunostomy with circle discontinuous U suture in pancreatic

ZHANG Xuewen, XUAN Wei, JIANG Tao, JI Degang, YANG Yongsheng, ZHANG Dan, XIE Yingjun, MENG Zihui, ZHAO Jisheng

Journal Article