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Kinetics and mechanisms of reactions for hydrated electron with chlorinated benzenes in aqueous solution

Haixia YUAN,Huxiang PAN,Jin SHI,Hongjing LI,Wenbo DONG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 583-590 doi: 10.1007/s11783-014-0691-8

Abstract: chlorinated benzenes (CBzs) and hydrated electron ( ) were investigated by the electron beam (EB) and laserflash photolysis (LFP) experiments.

Keywords： chlorinated benzenes     hydrated electron     electron beam     laser flash photolysis    

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Simulation analysis of methanol flash distillation circulation process in biodiesel production with supercritical

Zhengjiao TANG, Cunwen WANG, Weiguo WANG, Jia GUO, Yuanxin WU, Jinfang CHEN, Yigang DING

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 93-97 doi: 10.1007/s11708-010-0028-7

Abstract: Recovering the methanol of a stream issuing from a transesterification supercritical reactor by flashThe one-stage and two-stage flash distillation processes were presented and compared.The difference of the recovery percentage of methanol of the above two flash processes is less than 0.5%According to this study, when the feed pressure range is 15–30 MPa, the flash pressure equals 0.4 MPaThus, the vapor leaving the flash tank can be directly circulated to the transesterification reactor.

Keywords： supercritical methanol     biodiesel     recovery     flash distillation    

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Benzene degradation in waste gas by photolysis and photolysis-ozonation: experiments and modeling

Fariba Mahmoudkhani, Maryam Rezaei, Vahid Asili, Mahsasadat Atyabi, Elena Vaisman, Cooper H. Langford, Alex De Visscher

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0876-4

Abstract: A feasibility study shows that the photolysis of benzene is a cost-effective process.

Keywords： Photolysis     Ozone     Benzene     Waste gas     Simulation     Synergism    

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Ambient photolysis frequency of NO

Qi Zou,Keding Lu,Yusheng Wu,Yudong Yang,Zhuofei Du,Min Hu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0885-3

Abstract: • Chemical actinometer (CA) was built for NO photolysis frequency, j(NO ), analysis. • CA data (10%The photolysis frequency of NO , j(NO ), is an important analytical parameter in the study of tropospheric

Keywords： Photolysis frequency of nitrogen dioxide     Chemical actinometer     Spectroradiometer     Tropospheric ultraviolet    

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Comparison of sequential with intimate coupling of photolysis and biodegradation for benzotriazole

Shunan Shan, Yuting Zhang, Yining Zhang, Lanjun Hui, Wen Shi, Yongming Zhang, Bruce E. Rittmann

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0953-3

Abstract: Sequential and intimate coupling of UV-photolysis with biodegradation were investigated for their impactswas accelerated by photolytic pretreatment up to 9 min, but BTA biodegradation was slowed with longer photolysisBecause more AP and PHZ accumulated with increasing photolysis time, their inhibitory effects began todominate with longer photolysis time.Intimately coupling photolysis with biodegradation relieved the inhibition effect, because AP and PHZ

Keywords： Benzotriazole     Photolysis     Biodegradation     Inhibition     Electron donor    

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Phase change effect of low melting point metal for an automatic cooling of USB flash memory

Haoshan GE, Jing LIU

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 207-209 doi: 10.1007/s11708-012-0204-z

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Synthesis of hydrophobic carbon nanotubes/reduced graphene oxide composite films by flash light irradiation

Kai Wang, Jinbo Pang, Liwei Li, Shengzhe Zhou, Yuhao Li, Tiezhu Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 376-382 doi: 10.1007/s11705-018-1705-z

Abstract: Herein we use the facile flash light irradiation method to induce the reduction of graphene oxides in

Keywords： carbon nanotubes     graphene composite     flash irradiation method     reduced graphene oxide     contact angles    

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A photolysis coefficient for characterizing the response of aqueous constituents to photolysis

David R. HOKANSON,Ke LI,R. Rhodes TRUSSELL

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 428-437 doi: 10.1007/s11783-015-0780-3

Abstract: UV photolysis and UV based advanced oxidation processes (AOPs) are gaining more and more attention forand molar absorption coefficient ( ) are the two critical parameters measuring the effectiveness of photolysisIt was shown that this product, named the photolysis coefficient, , can be determined using standardThe development showed the photolysis coefficient to be equally useful for microbiological, inorganicPhotolysis coefficients among microorganisms ranged from 8500 to more than 600000 and are far higher

Keywords： UV photolysis     disinfection     advanced oxidation     N-nitrosodimethylamine     quantum yield     absorption    

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Estimation of photolysis half-lives of dyes in a continuous-flow system with the aid of quantitative

Davoud BEIKNEJAD,Mohammad Javad CHAICHI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 683-692 doi: 10.1007/s11783-014-0680-y

Abstract: In this paper the photolysis half-lives of the model dyes in water solutions and under ultraviolet (UVstepwise multiple linear regression (MLR) and partial least squares (PLS) for the prediction of the photolysisThe QSPR results obtained with these models show that in MLR-derived model, photolysis half-lives of

Keywords： dye     photolysis half-life     quantitative structure-property relationship     continuous-flow     stepwise multiple    

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Predictive models on photolysis and photoinduced toxicity of persistent organic chemicals

Qing ZHANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 803-814 doi: 10.1007/s11783-013-0547-7

Abstract: Photodegradation is a major abiotic transformation pathway of toxic chemicals in the environment, which in some cases might lead to photoinduced toxicities. The data on photodegradation kinetics and photoinduced toxicities of organic chemicals are essential for their risk assessment. However, the relevant data are only available for a limited number of chemicals, due to the difficulty and high cost of experimental determination. Quantitative structure-activity relationship (QSAR) models that relate photodegradation kinetics or photoinduced toxicity of organic chemicals with their physicochemical properties or molecular structural descriptors may enable simple and fast estimation of their photochemical behaviors. This paper reviews the QSAR models on photodegradation quantum yields and rate constants for toxic organic chemicals in different media including liquid phase, gaseous phase, surfaces of plant leaves, and QSAR models on photoinduced toxicity of organic chemicals to plants, bacteria, and aquatic invertebrates. Further prospects for QSAR model development on photodegradation kinetics and photoinduced toxicity of refractory organic chemicals are proposed.

Keywords： quantitative structure-activity relationship (QSAR) models     photodegradation     persistent organic pollutants     environmental media     mechanisms    

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Flash Smelting——Clean and Efficient Smelting Technology

Zhou Songlin

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 86-89

Abstract: Flash smelting, one of the most competitive smelting technologies in the world, is considered as a standardDue to its well meeting with the general trend of sustainable development strategy, flash smelting isThis article gives general introduction of the specialty of flash smelting technology and its following

Keywords： flash smelting     copper metallurgy     environment protection     clean production    

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chemical descriptors into quantitative structure-property relationship models for prediction of the photolysis

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 505-511 doi: 10.1007/s11783-011-0318-2

Abstract: Quantitative structure-property relationship (QSPR) models were developed for prediction of photolysis

Keywords： photolysis     polychlorinated biphenyls (PCBs)     quantitative structure-property relationships (QSPRs)     quantum    

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Toward better understanding vacuum ultraviolet–iodide induced photolysis via hydrogen peroxide formation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1489-0

Abstract:

• UV/VUV/I– induces substantial H2O2 and IO3– formation, but UV/I– does not.

Keywords： Vacuum ultraviolet     Hydrogen peroxide     Iodate     Hydroxyl radical     Redox transition    

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Prediction of the flash points of alkanes by group bond contribution method using artificial neural networks

PAN Yong, JIANG Juncheng, WANG Zhirong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 390-394 doi: 10.1007/s11705-007-0071-z

Abstract: neural networks, which had the high ability of nonlinear of prediction, was established to predict the flashwere used as input parameters of neural networks to study the correlation of molecular structures with flashThe results showed that the predicted flash points were in good agreement with the experimental dataThe method can be used not only to reveal the quantitative correlation between flash points and molecularstructures of alkanes but also to predict the flash points of organic compounds for chemical engineering

Keywords： information     nonlinear     quantitative correlation     superior     molecular    

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Fulfillment and Development of Cold Air Flash Smelting Technology in China

Zhang Wenhai

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 19-25

Abstract:

The application of the six new technologies including cold air flash smelting and the outstandingrealizing clean production in Jinlong Copper Smelter are introduced in this article on the basis of the flashfeed infection and dynawave scrubbing system, and a new research direction regarding copper and nickel flash

Keywords： copper metallurgy     flash smelting     cold air smelting     dynawave scrubbing     China    

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Title Author Date Type Operation

Kinetics and mechanisms of reactions for hydrated electron with chlorinated benzenes in aqueous solution

Haixia YUAN,Huxiang PAN,Jin SHI,Hongjing LI,Wenbo DONG

Journal Article

Simulation analysis of methanol flash distillation circulation process in biodiesel production with supercritical

Zhengjiao TANG, Cunwen WANG, Weiguo WANG, Jia GUO, Yuanxin WU, Jinfang CHEN, Yigang DING

Journal Article

Benzene degradation in waste gas by photolysis and photolysis-ozonation: experiments and modeling

Fariba Mahmoudkhani, Maryam Rezaei, Vahid Asili, Mahsasadat Atyabi, Elena Vaisman, Cooper H. Langford, Alex De Visscher

Journal Article

Ambient photolysis frequency of NO

Qi Zou,Keding Lu,Yusheng Wu,Yudong Yang,Zhuofei Du,Min Hu

Journal Article

Comparison of sequential with intimate coupling of photolysis and biodegradation for benzotriazole

Shunan Shan, Yuting Zhang, Yining Zhang, Lanjun Hui, Wen Shi, Yongming Zhang, Bruce E. Rittmann

Journal Article

Phase change effect of low melting point metal for an automatic cooling of USB flash memory

Haoshan GE, Jing LIU

Journal Article

Synthesis of hydrophobic carbon nanotubes/reduced graphene oxide composite films by flash light irradiation

Kai Wang, Jinbo Pang, Liwei Li, Shengzhe Zhou, Yuhao Li, Tiezhu Zhang

Journal Article

A photolysis coefficient for characterizing the response of aqueous constituents to photolysis

David R. HOKANSON,Ke LI,R. Rhodes TRUSSELL

Journal Article

Estimation of photolysis half-lives of dyes in a continuous-flow system with the aid of quantitative

Davoud BEIKNEJAD,Mohammad Javad CHAICHI

Journal Article

Predictive models on photolysis and photoinduced toxicity of persistent organic chemicals

Qing ZHANG

Journal Article

Flash Smelting——Clean and Efficient Smelting Technology

Zhou Songlin

Journal Article

chemical descriptors into quantitative structure-property relationship models for prediction of the photolysis

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Journal Article

Toward better understanding vacuum ultraviolet–iodide induced photolysis via hydrogen peroxide formation

Journal Article

Prediction of the flash points of alkanes by group bond contribution method using artificial neural networks

PAN Yong, JIANG Juncheng, WANG Zhirong

Journal Article

Fulfillment and Development of Cold Air Flash Smelting Technology in China

Zhang Wenhai

Journal Article