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Efficient photo‐oxidation of guaiacol to organic acids with hydrogen peroxide by microwave discharge electrodeless lamp

18-Nov-2015 | Dajie Zhang, Binzhe Sun, Lian Duan, Yufang Tao, Aihua Xu, Xiaoxia Li, Chemical Engineering & Technology, 2015

Abstract The production of chemicals from lignin by green and sustainable technologies is a promising alternative route to replace fossil fuels. In this report, the photo‐oxidation of guaiacol, a model of lignin, to value‐added carboxylic acids with microwave discharge electrodeless lamp as ...


Numerical investigation of the impact of thermophoresis on the capture efficiency of diesel particulate filters

17-Nov-2015 | Guillaume Matte‐Deschênes, David Vidal, François Bertrand, Robert E. Hayes, The Canadian Journal of Chemical Engineering, 2015

Abstract The present study investigates the impact of thermophoresis on soot capture in the clean cordierite porous wall of a diesel particulate filter (DPF). A three‐step numerical model was developed, consisting of: (1) numerically reconstructing a representative volume of the cordierite ...


A new plant‐wide optimization method and its application to hydrometallurgy process

17-Nov-2015 | Qingyun Yuan, Fuli Wang, Dakuo He, Hong Wang, Tan Liu, The Canadian Journal of Chemical Engineering, 2015

Abstract This work aims to find an efficient and fast solution for the problem of plant‐wide optimization of a large‐scale industrial process. The process is composed of a series of unit processes with coupling relationships between them, which leads to the problem of optimizing a large ...


Effects of TRiEGME on water icing behavior in aviation turbine fuel

17-Nov-2015 | K. Chen, T. Sun, H. Xiang, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract The high vapor pressure of diethylene glycol monomethyl ether, the only approved civil aviation fuel system icing inhibitor (FSII), causes the peeling of fuel tank topcoat material. This leads to increased maintenance costs and decreased aircraft mission capabilities. Triethylene ...


Reactive absorption of NO and SO2 into aqueous NaClO in a counter‐current spray column

05-Nov-2015 | Chelluboyana Vaishnava Raghunath, Monoj Kumar Mondal, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract The experiments were performed in a spray column to study the simultaneous absorption of NO and SO2 using NaClO solution from simulated gas stream under various experimental conditions. The effects of various influencing parameters, such as absorbent concentration, reaction ...



04-Nov-2015 | Mr. Prakash Easwaran, Dr.‐Ing. Martin J. Lehmann, Dr. Oliver Wirjadi, Dr. Torben Prill, Dr. Stephan Didas, Juniorpro ..., Chemical Engineering & Technology, 2015

Abstract Among the various properties of fibrous filter media, fiber thickness is one of the important characteristics which should be considered in design and quality assurance of filter media. Automatic analysis of images from scanning electron microscopy (SEM) is a suitable tool in that ...


Dynamic Modeling of Filter‐Aid Filtration Including Surface‐ and Depth‐Filtration Effects

19-Oct-2015 | Michael Kuhn, Heiko Briesen, Chemical Engineering & Technology, 2015

Abstract A new mechanistic model for filter‐aid filtration with incompressible cakes is presented. Surface‐ and depth‐filtration effects are considered based on a continuum mechanics approach. This leads to a moving boundary problem with sharp moving fronts. Proper mathematical and numerical ...


A natural frequency approach to study the blown film helicoidal stability of HDPE bimodal resins and its relation to their rheological behavior

15-Oct-2015 | Cecilia D. Treviño‐Quintanilla, Fabián Luna Cabrera, Jaime Bonilla‐Ríos, Leonardo F. Cortes Rodríguez, Polymer Engineering and Science, 2015

A quantitative study of the helicoidal bubble stability (HBS) of five different HDPE bimodal resins processed under the same conditions was conducted to determine their natural frequencies and how these are related to molecular weight distribution features and typical viscoelastic data. The ...


Lead removal from aqueous solutions by 732 cation‐exchange resin

13-Oct-2015 | Jia Qian, Zuoxiang Zeng, Weilan Xue, Qiongge Guo, The Canadian Journal of Chemical Engineering, 2015

Abstract Kinetics and thermodynamics of the removal of Pb2+ from an aqueous solution by 732 cation‐exchange resin in hydrogen type (732‐CR) were studied in the temperature range of 298–328 K and Pb2+ concentration range of 5–50 mol/m3. The effects of ion exchange temperature and initial lead ...


Investigation of Β phase formation in piezoelectric response of electrospun polyvinylidene fluoride nanofibers: LiCl additive and increasing fibers tension

12-Oct-2015 | F. Mokhtari, M. Shamshirsaz, M. Latifi, Polymer Engineering and Science, 2015

As a piezoelectric polymer, poly (vinylidene fluoride) (PVDF) is attractive in energy conversion applications between electrical and mechanical forms because of its low cost, high flexibility, and biocompatibility. The piezoelectricity of electrospun PVDF polymer is due to changes in the ...


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