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A perspective on the promoting effect of Ir and Au on Pd toward the ethanol oxidation reaction in alkalinemedia

S. Y. SHEN, Y. G. GUO, G. H. WEI, L. X. LUO, F. LI, J. L. ZHANG

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 501-508 doi: 10.1007/s11708-018-0586-7

Abstract: efficient electrocatalysts with both high activity and good stability for the ethanol oxidation reaction in alkalinemedia.designed and the promoting effect of Au and Ir on Pd toward the ethanol oxidation reaction (EOR) in alkalinemedia is investigated in detail.

Keywords： fuel cells     catalysts     ethanol oxidation     alkaline media     solid solution alloy     near surface alloy    

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Isolation, identification and primary application of bacteria from putrid alkaline silica sol

Lijie REN,Ye HAN,Shuwen YANG,Xiqian TAN,Jin WANG,Xin ZHAO,Jie FAN,Ting DONG,Zhijiang ZHOU

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 330-339 doi: 10.1007/s11705-014-1419-9

Abstract: The putrefaction of alkaline silica sol was investigated in this paper.The total colony numbers in three alkaline silica sol samples were 1.47×10 , 1.25×10 , and 9.45×10 cfuTo explore the possibility of isolates in industrial application, their alkaline protease and amylaseFive strains produced alkaline protease, whereas two strains produced alkaline amylase.Thus, understanding of the putrefaction on alkaline silica sol would be beneficial for improving industrial

Keywords： putrid alkaline silica sol     alkaliphile     isolation and identification     sterilization     alkaline protease andalkaline amylase    

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Alkaline modification of ZSM-5 catalysts for methanol aromatization: The effect of the alkaline concentration

Zhenhao Wei,Tengfei Xia,Minghui Liu,Qingsheng Cao,Yarong Xu,Kake Zhu,Xuedong Zhu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 450-460 doi: 10.1007/s11705-015-1542-2

Abstract: The effects of alkaline treatment on the physical properties of ZSM-5 catalysts and on their activitiesA mild alkaline treatment (0.2 and 0.3 mol/L NaOH) created mesopores in the parent zeolite with no obviousIn addition, more mesopores were produced than with the mild alkaline treatment.Treatment with a higher alkaline concentration (0.5 mol/L) greatly reduced the number of Brønsted acidWhen the alkaline-treated catalysts were washed with acid, some of the porosity was restored and a slight

Keywords： aromatics     ZSM-5     alkaline treatment     dealumination     desilication     mesopores     methanol    

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Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 709-719 doi: 10.1007/s11705-021-2078-2

Abstract: The merit can be applied to treat alkaline wastewater if the membrane has superior alkali-resistance.

Keywords： pervaporation     alkaline solution concentration     polyethylene membrane     acid resistance     chlorine tolerance    

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Transport of antibiotic resistance plasmids in porous media and the influence of surfactants

Peipei Chen, Chaoqi Chen, Xiqing Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0986-7

Abstract: Transport of engineered antibiotic resistance plasmids in porous media has been reported to potentiallyIn this work, transport of an indigenous resistance plasmid pK5 in porous media was investigated through

Keywords： Indigenous plasmid     Transport     Porous media     Surfactants    

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Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 114-120 doi: 10.1007/s11709-014-0267-5

Abstract: The accurate and efficient simulation of random heterogeneous media is important in the framework ofThis paper provides a critical examination of existing random field models of heterogeneous two-phase media

Keywords： microstructure     random fields     level sets     shape recovery     two-phase media    

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A “Seawater-in-Sludge” approach for capacitive biochar production via the alkaline and alkaline earth

Xiling Li, Tianwei Hao, Yuxin Tang, Guanghao Chen

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1295-0

Abstract: Abstract • Capacitive biochar was produced from sewage sludge. • Seawater was proved to be an alternative activation agent. • Minerals vaporization increased the surface area of biochar. • Molten salts acted as natural templates for the development of porous structure. Sewage sludge is a potential precursor for biochar production, but its effective utilization involves costly activation steps. To modify biochar properties while ensuring cost-effectiveness, we examined the feasibility of using seawater as an agent to activate biochar produced from sewage sludge. In our proof-of-concept study, seawater was proven to be an effective activation agent for biochar production, achieving a surface area of 480.3 m2/g with hierarchical porosity distribution. Benefited from our design, the catalytic effect of seawater increased not only the surface area but also the graphitization degree of biochar when comparing the pyrolysis of sewage sludge without seawater. This leads to seawater activated biochar electrodes with lower resistance, higher capacitance of 113.9 F/g comparing with control groups without seawater. Leveraging the global increase in the salinity of groundwater, especially in coastal areas, these findings provide an opportunity for recovering a valuable carbon resource from sludge.

Keywords： Sewage sludge     Biochar     Seawater     Recourse recovery     Capacitor    

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Stability analysis of alkaline nitrobenzene-containing wastewater by a catalyzed Fe-Cu treatment process

FAN Jinhong, XU Wenying, GAO Tingyao, MA Luming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 504-508 doi: 10.1007/s11783-007-0081-6

Abstract: Iron and copper bimetallic system (catalyzed Fe-Cu process) is a promising technology for alkaline nitrobenzene-containing

Keywords： technology     bimetallic     catalyzed     nitrobenzene-containing wastewater     efficiency    

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HQ in inland saline-alkaline water under different light qualities

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1479-2

Abstract:

• Optimal growth of Chlorella in inland saline-alkaline water

Keywords： Light quality     Chlorella     Inland saline-alkaline water     Fatty acid     Biodiesel property    

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Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1068-1

Abstract:

Check-in and survey data are explored to identify personal activity-specific places.

Ways for detecting and moderating sample bias of Weibo check-in data is proposed.

A graphic representation of urban activity intensity in Beijing, China is presented.

The potential application of Weibo check-in data for urban analysis is introduced.

Keywords： Social media     Human mobility     Population bias     Sample reconstruction     Data integration    

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Polysulfone and zirconia composite separators for alkaline water electrolysis

Li XU, Wei LI, Yan YOU, Shaoxing ZHANG, Yingchun ZHAO

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 154-161 doi: 10.1007/s11705-013-1331-8

Abstract: The novel composite separators composed of polysulfone and zirconia were prepared by phase inversion precipitation technique. This technique allows pre-evaporation time and extraction temperature to be varied in order to obtain optimal performances of the separators. In order to evaluate practical applicability of those composite separators, a small-scale electrolysis experimental apparatus was used to investigate the changes of cell voltage, gas purity and separator stability. The results revealed a decreased cell voltage compared to the conventional asbestos separators, and the gas purity and separator stability met the requirements for industrial use.

Keywords： phase inversion     separator     alkaline water electrolysis     mechanical and chemical stability    

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Immunogenicity and protective immunity against otitis media caused by pneumococcus in mice of Hib conjugate

Zeyu Chen,Rong Guo,Jianghong Xu,Chuangjun Qiu

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 490-498 doi: 10.1007/s11684-016-0470-y

Abstract: and the inflammation of the middle ear showed the effectiveness of protective immunity against otitis mediaanti-PsaA and anti-Hib immune responses in young mice and elicit effective protection against acute otitis media

Keywords： conjugate vaccine     pneumococcal surface adhesin A     Hemophilus influenzae b     immunogenicity     otitis media    

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analysis and seepage process study on crystal layer in melt crystallization with fractal and porous media

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 435-441 doi: 10.1007/s11705-011-1139-3

Abstract: In this paper a porous media seepage model was applied to analyze the permeability and study the seepage

Keywords： melt crystallization     porous media     fractal     permeability     hyperpure material     simulation    

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Dealumination and desilication for Al-rich HZSM-5 zeolite via steam-alkaline treatment and its application

Yuehua Fang, Fan Yang, Xuan He, Xuedong Zhu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 543-553 doi: 10.1007/s11705-018-1778-8

Abstract: HZSM-5 with high specific surface area and much mesoporosity was obtained by the subsequent alkalineThe regulation of acid quantity was achieved by altering the concentration of alkaline.and desilication of Al-rich HZSM-5 zeolites became more effective using a combination of steam and alkalinetreatments than using alkaline treatment alone.

Keywords： steam treatment     alkaline treatment     hierarchical ZSM-5     methanol aromatization    

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Analytical solutions of three-dimensional contaminant transport in uniform flow field in porous media

Hongtao WANG, Huayong WU

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 112-128 doi: 10.1007/s11783-008-0067-z

Abstract: analytical solutions for the three-dimensional contaminant transport in uniform flow field in porous media

Keywords： solution library     contaminant transport     analytical solution     dispersion and advection     porous media     type    

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Title Author Date Type Operation

A perspective on the promoting effect of Ir and Au on Pd toward the ethanol oxidation reaction in alkalinemedia

S. Y. SHEN, Y. G. GUO, G. H. WEI, L. X. LUO, F. LI, J. L. ZHANG

Journal Article

Isolation, identification and primary application of bacteria from putrid alkaline silica sol

Lijie REN,Ye HAN,Shuwen YANG,Xiqian TAN,Jin WANG,Xin ZHAO,Jie FAN,Ting DONG,Zhijiang ZHOU

Journal Article

Alkaline modification of ZSM-5 catalysts for methanol aromatization: The effect of the alkaline concentration

Zhenhao Wei,Tengfei Xia,Minghui Liu,Qingsheng Cao,Yarong Xu,Kake Zhu,Xuedong Zhu

Journal Article

Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Journal Article

Transport of antibiotic resistance plasmids in porous media and the influence of surfactants

Peipei Chen, Chaoqi Chen, Xiqing Li

Journal Article

Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Journal Article

A “Seawater-in-Sludge” approach for capacitive biochar production via the alkaline and alkaline earth

Xiling Li, Tianwei Hao, Yuxin Tang, Guanghao Chen

Journal Article

Stability analysis of alkaline nitrobenzene-containing wastewater by a catalyzed Fe-Cu treatment process

FAN Jinhong, XU Wenying, GAO Tingyao, MA Luming

Journal Article

HQ in inland saline-alkaline water under different light qualities

Journal Article

Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Journal Article

Polysulfone and zirconia composite separators for alkaline water electrolysis

Li XU, Wei LI, Yan YOU, Shaoxing ZHANG, Yingchun ZHAO

Journal Article

Immunogenicity and protective immunity against otitis media caused by pneumococcus in mice of Hib conjugate

Zeyu Chen,Rong Guo,Jianghong Xu,Chuangjun Qiu

Journal Article

analysis and seepage process study on crystal layer in melt crystallization with fractal and porous media

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Journal Article

Dealumination and desilication for Al-rich HZSM-5 zeolite via steam-alkaline treatment and its application

Yuehua Fang, Fan Yang, Xuan He, Xuedong Zhu

Journal Article

Analytical solutions of three-dimensional contaminant transport in uniform flow field in porous media

Hongtao WANG, Huayong WU

Journal Article