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A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 452-456 doi: 10.1007/s11705-010-0522-9

Abstract: A series of Pd/γ-Al O hybrid catalysts were prepared by impregnation and subsequent calcination undermicrowave irradiation.The results show that calcination under microwave irradiation improved both the activity and selectivityMicrowave irradiation with very high power led to the increase in CO-bridge adsorption and thereby decreasedmicrowave irradiation with very low power, resulting in a decrease in the selectivity to DME.

Keywords： Pd/γ-Al2O3     direct synthesis     dimethyl ether     calcination under microwave irradiation    

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Synthesis of ［RMIm］PF6（R=P, B, C6）ionic liquid under microwave irradiation and research of its conductivity

He Yongfu

Strategic Study of CAE 2008, Volume 10, Issue 9,   Pages 92-95

Abstract:

By microwave irradiation, the intermediate compounds of imidazolium ionicsynthesized from 1-methylimidazole and organic halide (1-bromopropane,1-bromobutane,1-bromohexane) separately under

Keywords： ionic liquids     microwave irradiation     conductivity     [BMIm]PF6     [PMIm]PF6     [C6MIm]PF6    

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Kinetics of microwave-enhanced oxidation of phenol by hydrogen peroxide

Deming ZHAO, Jie CHENG, Michael R. HOFFMANN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 57-64 doi: 10.1007/s11783-010-0251-9

Abstract: Aqueous solutions of phenol were oxidized by hydrogen peroxide assisted by microwave (MW) irradiationPhenol degradation followed apparent zero-order kinetics under MW radiation or H O oxidation.However, after 90 min of irradiation, the observed kinetics shifted to pseudo first order.The overall reaction rates were significantly enhanced in the combined MW/H O system, mainly because microwave

Keywords： microwave (MW) irradiation     hydrogen peroxide     phenol     synergetic effects     kinetic model    

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Experimental and theoretical study of microwave enhanced catalytic hydrodesulfurization of thiophene

Hui Shang, Pengfei Ye, Yude Yue, Tianye Wang, Wenhui Zhang, Sainab Omar, Jiawei Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 744-758 doi: 10.1007/s11705-019-1839-7

Abstract: gasoline model oil, over an industrial Ni-Mo/Al O catalyst was investigated in a continuous system undermicrowave irradiation.The HDS efficiency was much higher (5%‒14%) under microwave irradiation than conventional heating.microwave irradiation.Therefore, the HDS process was considered to proceed along the hydrogenation route under microwave irradiation

Keywords： thiophene     microwave irradiation     hydrodesulfurization     non-thermal microwave effect    

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CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 395-402 doi: 10.1007/s11783-012-0417-8

Abstract: The development of a combined process of catalytic oxidation and microwave heating for treatment of toluenezeolite-supported copper oxide (CuO/zeolite) catalyst mixed with silicon carbide (SiC), an excellent microwave-absorbingcompound was efficiently degraded on the surface of the catalyst at high reaction temperature achieved by microwave-heatedA set of experimental parameters, such as microwave power, air flow and the loading size of CuO etc.,Under optimal condition, 92% toluene was removed by this combined process, corresponding to an 80%–90%

Keywords： microwave     catalytic oxidation     CuO/zeolite catalyst     silicon carbide (SiC)     toluene    

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Efficient photodegradation of phenol assisted by persulfate under visible light irradiation via a nitrogen-doped

Yan Cui, Zequan Zeng, Jianfeng Zheng, Zhanggen Huang, Jieyang Yang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1125-1133 doi: 10.1007/s11705-020-2012-z

Abstract: AC) prepared by sol-gel methods was applied in the photodegradation of phenol assisted by persulfate undervisible light irradiation (named N-TiO /AC/PS/VIS).

Keywords： N-TiO2/AC     visible light     photocatalysis     persulfate activation     phenol    

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Enhanced formation of trihalomethane disinfection byproducts from halobenzoquinones under combined UV

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1510-7

Abstract:

• 2,6-DCBQ and TCBQ generated THMs differently in chlorine and UV/chlorine processes.

Keywords： Halobenzoquinone     Trihalomethane     Chlorine disinfection     UV irradiation     Disinfection byproducts     Combined    

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Preparation of Cu/ZnO/Al

Hui FAN, Huayan ZHENG, Zhong LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 445-451 doi: 10.1007/s11705-010-0521-x

Abstract: The effect of technological condition of precipitation and aging process under microwave irradiationThe results showed that the microwave irradiation during precipitation process could improve the activityof the catalyst, the catalyst aged at 80°C for 1 h under microwave irradiation possessed higher methanolThe activity and stability of the catalyst was further enhanced when microwave irradiation was used inmicrowave irradiation.

Keywords： microwave irradiation     precipitation temperature     aging temperature     methanol synthesis     Cu/ZnO/Al2<    

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In situ DRIFTS study of photocatalytic CO 2 reduction under UV irradiation

Jeffrey C. S. WU, Chao-Wei HUANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 120-126 doi: 10.1007/s11705-009-0232-3

Abstract: photocatalysts was studied by in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) underUV irradiation.surface OH groups was detected at 25°C on the TiO photocatalyst after being treated at 500°C underThe IR spectra indicated that, under UV irradiation, gas-phase CO further combined with oxygen-vacancy

Keywords： irradiation     oxygen-vacancy     Photocatalytic reduction     Carbonate     butoxide    

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recyclable BiOBr/silk fibroin-cellulose acetate composite film for efficient photodegradation of dyes undervisible light irradiation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1765-1775 doi: 10.1007/s11705-023-2323-y

Abstract: characterized using various techniques, and their photocatalytic performance for dye wastewater was evaluated undervisible light irradiation.

Keywords： BiOBr nanosheet     cellulose acetate     silk fibroin     photocatalytic degradation     dye wastewater    

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All-inorganic TiO/CsAgBiBr composite as highly efficient photocatalyst under visible light irradiation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1925-1936 doi: 10.1007/s11705-023-2344-6

Abstract: In recent years, limited photocatalysis efficiency and wide band gap have hindered the application of TiO2 in the field of photocatalysis. A leading star in photocatalysis has been revealed as lead-free Cs2AgBiBr6 double halide perovskite nanocrystals, owing to its strong visible light absorption and tunable band gap. In this work, this photocatalytic process was facilitated by a unique TiO2/Cs2AgBiBr6 composite, which was identified as an S-cheme heterojunction. TiO2/Cs2AgBiBr6 composite was investigated for its structure and photocatalytic behavior. The results showed that when the perovskite dosage is 40%, the photocatalytic rate of TiO2 could be boosted to 0.1369 min–1. This paper discusses and proposes the band gap matching, carrier separation, and photocatalytic mechanism of TiO2/Cs2AgBiBr6 composites, which will facilitate the generation of new ideas for improving TiO2’s photocatalytic performance.

Keywords： Cs2AgBiBr6 nanocrystals     visible-light photocatalyst     Cs2AgBiBr6/TiO2 heterojunction    

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Decomposition of aqueous chlorinated contaminants by UV irradiation with H

Eunsung KAN,Chang-Il KOH,Kyunghyuk LEE,Joonwun KANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 429-435 doi: 10.1007/s11783-014-0677-6

Abstract: carbon tetrachloride (CCl ) and 2,4-dichlorophenol (2,4-DCP) in water by the ultraviolet (UV) light irradiation

Keywords： H2O2/ultraviolet (UV) light     advanced oxidation     UV light irradiation     chlorinated    

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Effect of ultraviolet irradiation and chlorination on ampicillin-resistant

Yuchen PANG,Jingjing HUANG,Jinying XI,Hongying HU,Yun ZHU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 522-530 doi: 10.1007/s11783-015-0779-9

Abstract: We reported a greater stability in ampicillin-resistant CGMCC 1.1595 after UV irradiation or chlorinationUV irradiation and chlorination led to a shift in the mortality frequency distributions of ampicillin-resistanthemi-inhibitory concentration (IC ) without disinfection was 3800 mg·L , and an increment was observed after UV irradiationThese results indicate that UV irradiation and chlorination can potentially increase the risk of selection

Keywords： antibiotic resistance     Escherichia coli     ampicillin resistance gene     ultraviolet irradiation     chlorination    

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Use of gamma-irradiation pretreatment for enhancement of anaerobic digestibility of sewage sludge

YUAN Shoujun, ZHENG Zheng, YU Xin, ZHAO Yongfu, MU Yanyan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 247-250 doi: 10.1007/s11783-008-0041-9

Abstract: -irradiation pretreatment on anaerobic digestibility of sewage sludge was investigated in this paper.-irradiation pretreatment.-irradiation treatment. Besides, floc size distribution of sewage sludge shifted from 80–100 ?-irradiation treatment at the doses from 0 to 30 kGy, which indicated the disintegration of sewage sludge-irradiation treatment, which resulted in the release of cytoplasm and increase of soluble chemical oxygen

Keywords： anaerobic digestibility     soluble chemical     cytoplasm     digestion process     soluble    

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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 results are compared with experiment observations and are useful to understanding the irradiation

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

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Title Author Date Type Operation

A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Journal Article

Synthesis of ［RMIm］PF6（R=P, B, C6）ionic liquid under microwave irradiation and research of its conductivity

He Yongfu

Journal Article

Kinetics of microwave-enhanced oxidation of phenol by hydrogen peroxide

Deming ZHAO, Jie CHENG, Michael R. HOFFMANN

Journal Article

Experimental and theoretical study of microwave enhanced catalytic hydrodesulfurization of thiophene

Hui Shang, Pengfei Ye, Yude Yue, Tianye Wang, Wenhui Zhang, Sainab Omar, Jiawei Wang

Journal Article

CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Journal Article

Efficient photodegradation of phenol assisted by persulfate under visible light irradiation via a nitrogen-doped

Yan Cui, Zequan Zeng, Jianfeng Zheng, Zhanggen Huang, Jieyang Yang

Journal Article

Enhanced formation of trihalomethane disinfection byproducts from halobenzoquinones under combined UV

Journal Article

Preparation of Cu/ZnO/Al

Hui FAN, Huayan ZHENG, Zhong LI

Journal Article

In situ DRIFTS study of photocatalytic CO 2 reduction under UV irradiation

Jeffrey C. S. WU, Chao-Wei HUANG,

Journal Article

recyclable BiOBr/silk fibroin-cellulose acetate composite film for efficient photodegradation of dyes undervisible light irradiation

Journal Article

All-inorganic TiO/CsAgBiBr composite as highly efficient photocatalyst under visible light irradiation

Journal Article

Decomposition of aqueous chlorinated contaminants by UV irradiation with H

Eunsung KAN,Chang-Il KOH,Kyunghyuk LEE,Joonwun KANG

Journal Article

Effect of ultraviolet irradiation and chlorination on ampicillin-resistant

Yuchen PANG,Jingjing HUANG,Jinying XI,Hongying HU,Yun ZHU

Journal Article

Use of gamma-irradiation pretreatment for enhancement of anaerobic digestibility of sewage sludge

YUAN Shoujun, ZHENG Zheng, YU Xin, ZHAO Yongfu, MU Yanyan

Journal Article

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

Xinfu HE, Wen YANG, Zhehao QU, Sheng FAN

Journal Article