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Catalytic ozonation performance and surface property of supported Fe

Zhendong YANG, Aihua LV, Yulun NIE, Chun HU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 451-456 doi: 10.1007/s11783-013-0509-0

Abstract: Fe O /Al O exhibited higher catalytic efficiency for the degradation of 2,4-dichlorophenoxyacetic acidand -chlorobenzoic acid aqueous solution with ozone.results indicated that the physical and chemical properties of the catalyst supports especially their Lewisacid sites had a significant influence on the catalytic activity.In comparison with SiO , more Lewis acid sites existed on the surface of Al O , resulting in higher catalytic

Keywords： heterogeneous catalytic ozonation     iron oxides     supports     surface Lewis acid sites    

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Photo-induced surface frustrated Lewis pairs for promoted photocatalytic decomposition of perfluorooctanoicacid

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1603-6

Abstract:

● Terminal carboxylate group activation is PFOA degradation’s rate-limiting step.

Keywords： Heterogeneous photocatalysis     Surface frustrated Lewis pairs     Perfluorooctanoic acid     Defluorination    

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On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable catalysts for selective catalytic reduction of nitrogen oxides by ammonia

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1741-1754 doi: 10.1007/s11705-023-2332-x

Abstract: It has been revealed that the quantities of surface active oxygen (O2–) and acidsites are crucial for the reaction, which can adsorb and activate NOx and NH3sub-monolayers or monolayers and in an amorphous state, which is favorable to generate the two kinds of active sitesdispersion capacity, possesses the most abundant active O2– species and acidic sites

Keywords： >4/ZSM-5     NOx-SCR by NH3     monolayer dispersion threshold effect     surfaceacid sites     surface active O2– anions    

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Adsorption property of direct fast black onto acid-thermal modified sepiolite and optimization of adsorptionconditions using Box-Behnken response surface methodology

Chengyuan SU, Weiguang LI, Yong WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 503-511 doi: 10.1007/s11783-012-0477-9

Abstract: The adsorption of direct fast black onto acid-thermal modified sepiolite was investigated.The three-factor and three-level Box-Behnken response surface methodology (RSM) was utilized for modelingand optimization of the adsorption conditions for direct fast black onto the acid-thermal modified sepioliteThe raw sepiolite was converted to acid-thermal modified sepiolite, and changes in the fourier transformThe zeolitic water disappeared and the purity of sepiolite was improved by acid-thermal modification.

Keywords： direct fast black     acid-thermal modified sepiolite     adsorption     response surface methodology    

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Purification and concentration of gluconic acid from an integrated fermentation and membrane processusing response surface optimized conditions

Parimal Pal, Ramesh Kumar, Subhamay Banerjee

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 152-163 doi: 10.1007/s11705-018-1721-z

Abstract: A response surface method was used to optimize the purification and concentration of gluconic acid fromwas used for the bioconversion of the glucose in sugarcane juice to gluconic acid (concentration 45 gconcentration, were determined using response surface methodology.Using response surface methods to optimize this green nanofiltration process is an effective way of controllingthe production of gluconic acid so that an efficient separation with high flux is obtained.

Keywords： gluconic acid     optimized nanofiltration     green processing     process intensification    

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Multiphase surfactant-assisted reaction-separation system in a microchannel reactor

Salah ALJBOUR, Tomohiko TAGAWA, Mohammad MATOUQ, Hiroshi YAMADA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 33-38 doi: 10.1007/s11705-009-0108-6

Abstract: The Lewis acid-catalyzed addition of trimethylsilyl cyanide to -chlorobenzaldehyde in a microchannelFeF and Cu(triflate) were used as water-stable Lewis acid catalysts.

Keywords： Lewis acid catalysis     multiphase reactions     process intensification     microchannel reactor     green engineering    

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Wastewater-nitrogen removal using polylactic acid/starch as carbon source: Optimization of operatingparameters using response surface methodology

Yan GUO, Chuanfu WU, Qunhui WANG, Min YANG, Qiqi HUANG, Markus MAGEP, Tianlong ZHENG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0845-y

Abstract: Nitrogen removal from ammonium-containing wastewater was conducted using polylactic acid (PLA)/starchnitrification ( ), denitrification ( ), and COD release rates ( ) were investigated through response surface

Keywords： Nitrogen removal     Polylactic acid     Starch     Carbon source     Response surface methodology    

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Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 407-412 doi: 10.1007/s11705-009-0255-9

Abstract: The surface properties of monoacyl trehaloses with different acyl chains were investigated at 30°The surface tension of monoacyl trehalose in pure water was measured using Doüy ring method at differentThe critical micelle concentrations (CMC), surface tension at the CMC, , and residual area per molecule

Keywords： high-performance liquid     tension     different     spectrometry     chromatography    

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Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 420-427 doi: 10.1007/s11783-013-0489-0

Abstract: nsted acid sites significantly.

Keywords： V2O5-WO3/TiO2     potassium chloride     poisoning     reducibility     acidsites    

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Ti incorporation in MCM-41 mesoporous molecular sieves using hydrothermal synthesis

Shengping WANG, Changqing MA, Yun SHI, Xinbin MA

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 95-103 doi: 10.1007/s11705-014-1405-2

Abstract: It was concluded that the Ti is incorporated into the framework of the MCM-41 and formed weak Lewis acidsites.In addition, the number of Ti(IV) sites increased as the amount of titanium increased.A large number of Ti(IV) sites coupled with the mesoporous structure and large pore diameters are favorable

Keywords： Ti-MCM-41     mesoporous molecular sieve     acid sites     transesterification     hydrothermal synthesis    

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Insight into the effect of surface carboxyl and amino groups on the adsorption of titanium dioxide foracid red G

Wenlong Zhang, Xuyang Zhao, Lin Zhang, Jinwei Zhu, Shanshan Li, Ping Hu, Jiangtao Feng, Wei Yan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1147-1157 doi: 10.1007/s11705-020-1978-x

Abstract: study the effect of carboxyl and amino groups on the adsorption behavior of TiO for the removal of acidwas successfully modified with carboxyl and amino groups by using the hydrolysis method with oxalic acid

Keywords： amino group     carboxylic group     titanium dioxide     ARG     adsorption    

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Effects of support acidity on the reaction mechanisms of selective catalytic reduction of NO by CH

Shicheng XU, Junhua LI, Dong YANG, Jiming HAO

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 186-193 doi: 10.1007/s11783-009-0016-5

Abstract: nsted acid sites to Lewis acid sites would lead to stronger oxidation of methane and then could facilitatensted acid sites would not necessarily lead to better catalytic performance, however, since the activesurface NO species and the corresponding reaction routes were determined by the overall acidity strength

Keywords： nsted acid sites     NOy species    

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

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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Effect of thermal pretreatment on the surface structure of PtSn/SiO

Guozhen Xu, Jian Zhang, Shengping Wang, Yujun Zhao, Xinbin Ma

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 417-424 doi: 10.1007/s11705-016-1583-1

Abstract: in acetic acid (AcOH) hydrogenation was investigated in this article.Simultaneously, the amount of Lewis acid sites was remarkably influenced by such thermal pretreatmentInterestingly, the catalytic activity showed the similar variation trend with that of Lewis acid sites, confirming the important roles of Lewis acid sites in AcOH hydrogenation.Moreover, a balancing effect between exposed Pt and Lewis acid sites was obtained, resulting in the superior

Keywords： thermal pretreatment     acetic acid     hydrogenation     ethanol     PtSn/SiO2    

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Evaluation of the wind energy potential of two south west sites in Nigeria

Olaleye M. AMOO

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 237-246 doi: 10.1007/s11708-012-0201-2

Abstract: wind energy potential of Abeokuta (07°03'N, 03°19'E) and Ijebu-Ode (06°47'N, 03°58'E), two south west sitesIjebu-Ode was found to be the better of the two sites in terms of annual variation of mean wind speed

Keywords： wind potential     wind speed     wind power density     wind gust     turbulence intensity     Nigeria    

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Title Author Date Type Operation

Catalytic ozonation performance and surface property of supported Fe

Zhendong YANG, Aihua LV, Yulun NIE, Chun HU

Journal Article

Photo-induced surface frustrated Lewis pairs for promoted photocatalytic decomposition of perfluorooctanoicacid

Journal Article

On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable catalysts for selective catalytic reduction of nitrogen oxides by ammonia

Journal Article

Adsorption property of direct fast black onto acid-thermal modified sepiolite and optimization of adsorptionconditions using Box-Behnken response surface methodology

Chengyuan SU, Weiguang LI, Yong WANG

Journal Article

Purification and concentration of gluconic acid from an integrated fermentation and membrane processusing response surface optimized conditions

Parimal Pal, Ramesh Kumar, Subhamay Banerjee

Journal Article

Multiphase surfactant-assisted reaction-separation system in a microchannel reactor

Salah ALJBOUR, Tomohiko TAGAWA, Mohammad MATOUQ, Hiroshi YAMADA

Journal Article

Wastewater-nitrogen removal using polylactic acid/starch as carbon source: Optimization of operatingparameters using response surface methodology

Yan GUO, Chuanfu WU, Qunhui WANG, Min YANG, Qiqi HUANG, Markus MAGEP, Tianlong ZHENG

Journal Article

Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Journal Article

Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Journal Article

Ti incorporation in MCM-41 mesoporous molecular sieves using hydrothermal synthesis

Shengping WANG, Changqing MA, Yun SHI, Xinbin MA

Journal Article

Insight into the effect of surface carboxyl and amino groups on the adsorption of titanium dioxide foracid red G

Wenlong Zhang, Xuyang Zhao, Lin Zhang, Jinwei Zhu, Shanshan Li, Ping Hu, Jiangtao Feng, Wei Yan

Journal Article

Effects of support acidity on the reaction mechanisms of selective catalytic reduction of NO by CH

Shicheng XU, Junhua LI, Dong YANG, Jiming HAO

Journal Article

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

Journal Article

Effect of thermal pretreatment on the surface structure of PtSn/SiO

Guozhen Xu, Jian Zhang, Shengping Wang, Yujun Zhao, Xinbin Ma

Journal Article

Evaluation of the wind energy potential of two south west sites in Nigeria

Olaleye M. AMOO

Journal Article