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6.440 Aktuelle Fachpublikationen aus der Branche Verfahrenstechnik

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Optimal design of hydraulic capsule pipelines transporting spherical capsules

05.02.2016 | Taimoor Asim, Rakesh Mishra, The Canadian Journal of Chemical Engineering, 2016

ABSTRACT The scarcity of fossil fuels affects the efficiency of established modes of cargo transport within the transportation industry. Extensive research is being carried out on improving the efficiency of existing modes of cargo transport, as well as developing alternative means of ...

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Exhaust emissions and fuel economy improvements through thermal performance control in a novel three‐way catalytic converter

05.02.2016 | Rajab Litto, Joseph P. Mmbaga, Robert. E. Hayes, Stefano Plati, Voislav Blagojevic, Paul Subject, The Canadian Journal of Chemical Engineering, 2016

Abstract This paper reports an investigation into the performance of a multi‐chamber catalytic converter (MCCC). The MCCC design uses internal insulation layers within a standard automotive catalytic converter to control the radial propagation of thermal energy. By retaining more energy ...

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How does “deviation” become “normal”?

05.02.2016 | Jennifer F. Mize, Process Safety Progress, 2016

How does deviation from established safe practices become institutionalized within an organization? Conducting day‐to‐day and routine operations in a manner inconsistent with documented policies, procedures, and practices can lead to failure to appropriately identify and manage hazards. A ...

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Developing a mathematical model for the oxidative dehydrogenation of propane in a fluidized bed reactor

05.02.2016 | Ali Torabi, Mohammad Kazemeini, Moslem Fattahi, Asia-Pacific Journal of Chemical Engineering, 2016

Abstract In this research, a mathematical model to simulate a two‐phase fluidized bed reactor for oxidative dehydrogenation of propane to propylene was developed. The developed model was solved numerically using the matlab software. Moreover, effects of the reaction temperature, operating ...

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Adsorption of nickel ions on oxygen functionalized carbons

03.02.2016 | A.M. Kern, B. Zierath, T. Fey, B.J.M. Etzold, Chemical Engineering & Technology, 2016

Abstract The adsorption of nickel(II) ions on pristine and wet chemically oxidized microporous carbons is studied. The nature and acidity of the resulting oxygen functional groups are characterized by temperature programmed desorption and point of zero charge measurements. The maximal nickel ...

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Determination of micromixing scale in a microdevice by numerical simulation and experiments

03.02.2016 | Xiyan Lin, Jisong Zhang, Kai Wang, Guangsheng Luo, Chemical Engineering & Technology, 2016

Abstract Micromixing scale L is proposed to characterize the micromixing performance of microdevices. It is defined to be the smallest scale within which homogenization is only realized by molecular diffusion, indicating the homogeneous mixing ability of a certain microdevice at specific ...

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Homogeneous Catalytic Kinetics of Methyl Glycolate Hydrolysis

03.02.2016 | Yan Xu, Ablikim Meh, Guangcun Yang, Yujun Zhao, Qu Chen, Zhenhua Li, Xinbin Ma, Chemical Engineering & Technology, 2016

Abstract Catalytic hydrolysis of methyl glycolate is a promising way to produce glycolic acid with high purity. The hydrolysis of methyl glycolate was investigated both in a stirred batch reactor and in a reactive distillation column. Batch hydrolysis distillation was found to be rather ...

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Rheology based CFD modeling for de‐oiling hydrocyclone efficiency

03.02.2016 | Changjun Li, Qian Huang, Chemical Engineering & Technology, 2016

Abstract The de‐oiling hydrocyclone is among the most effective devices to recover oil from oily wastewater. In this study, an improved multiphase computational fluid dynamics (CFD) model is developed for simulating oil‐water separation in a de‐oiling hydrocyclone. This model approach uses ...

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A Comparative Study of Fuzzy Techniques to Handle Uncertainty: An Industrial Grinding Process

03.02.2016 | Nagajyothi Virivinti, Kishalay Mitra, Chemical Engineering & Technology, 2016

Abstract The deterministic optimization models for chemical processes assume perfect information, i.e., the system parameters involved in the models should have fixed values. However, the knowledge about these parameters is often either not easy to obtain or, if available, subjected to ...

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Dual‐layer hollow fibers for sulfur removal from fuels

03.02.2016 | R. A. Amaral, C. P. Borges, A.C. Habert, N. R. J‐D. Mermier, Chemical Engineering & Technology, 2016

Abstract Sulfur compounds emission to the atmosphere has been universally recognized as one key target to be reduced. In this work, membrane pervaporation is considered as a potential purification process of fuels and dual‐layer polyurethane)/polyethersulfone hollow fiber membranes were ...

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