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1.291 Aktuelle Fachpublikationen zum Thema temperature

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Modeling of wax deposition for water‐in‐oil dispersed flow

18.11.2015 | Yuanxin Zhou, Jing Gong, Pengyu Wang, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract Wax deposition for waxy crude oil is a long standing issue in oil production and transportation systems. With oil produced with water, the oil–water two‐phase wax deposition becomes a research hotspot. Experiments of water‐in‐oil emulsion wax deposition were conducted in the indoor ...


Identification of the coke deposited on 13X industrial zeolite molecular sieves during mercaptan removal process

17.11.2015 | M. Haghighi Asl, J. Sargolzaei, F. Moosavi, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract Industrial Z10‐13X zeolite was deactivated by coking during the sequenced pressure and temperature swing mercaptan removal unit at the conditions of 40 °C and 68 bar in adsorption mode and 300 °C and 8 bar in regeneration mode. In this study, detailed coke features inside industrial ...


Effects of TRiEGME on water icing behavior in aviation turbine fuel

17.11.2015 | 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 ...


Study of parameters influencing fluid flow and wall hot spots in rotary kilns using CFD

13.11.2015 | Hassan F. Elattar, Eckehard Specht, Ali Fouda, Abdullah S. Bin‐Mahfouz, The Canadian Journal of Chemical Engineering, 2015

Abstract In this paper, 3‐D‐CFD simulation using (ANSYS‐Fluent) package on a 4 m diameter kiln with 40 m length firing methane (CH4) gas is applied to avoid undesirable thermal behaviour (wall hot spots; peak wall temperatures) in industrial rotary kilns. New influencing parameters are ...


Autothermal Methane Oxidative Coupling Process over La2O3/MgO Catalysts

11.11.2015 | Andrei L. Tarasov, Leonid M. Kustov, Chemical Engineering & Technology, 2015

Abstract Some essential conditions necessary to reach an autothermal regime in methane oxidative coupling on La2O3/MgO catalysts were investigated. The following three ways can be suggested to transfer the process into the autothermal regime: (1) higher initial concentrations of reagents; (2) ...


Accurate determination of the CO2‐crude oil minimum miscibility pressure of pure and impure CO2 streams: A robust modelling approach

09.11.2015 | Abdolhossein Hemmati‐Sarapardeh, Mohammad‐Hossein Ghazanfari, Shahab Ayatollahi, Mohsen Masihi, The Canadian Journal of Chemical Engineering, 2015

Abstract Gas flooding processes have emerged as attractive enhanced oil recovery (EOR) methods over the last few decades. Among different gas flooding processes, CO2 flooding is recognized as being most efficient for displacing oil through miscible displacement. Minimum miscibility pressure ...


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

05.11.2015 | 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 ...


Rheological behaviour of oil and water emulsions and their flow characterization in horizontal pipes

29.10.2015 | Jian Zhang, Jing‐Yu Xu, The Canadian Journal of Chemical Engineering, 2015

Abstract In this work, rheological behaviour of oil and water emulsions and their flow characterization were studied using a Haake RS6000 rheometer and a lab scale flow loop. The rheological properties of the synthetic emulsions were investigated at oil volume fractions from 0.1–1.0 L/L and ...


Experimental thermal time estimation for Mach‐Zehnder interferometer to study coupled heat and mass transfer

25.10.2015 | Amirhossein Ahadi, Ahmad Khoshnevis, M. Ziad Saghir, The Canadian Journal of Chemical Engineering, 2015

Abstract In the present investigation, a theoretical approach and experimental models are discussed for estimating the experimental thermal time of an optical digital interferometry experiment. The investigation deals with coupling between heat and mass transfer phenomena. Mach‐Zehnder ...


The effects of microwave heating on the kinetics of isothermal dehydration of equilibrium swollen poly(acrylic‐co‐methacrylic acid) hydrogel

24.10.2015 | Jelena Jovanović, Biljana Potkonjak, Tanja Adnadjević, Borivoj Adnadjević, Polymer Engineering and Science, 2015

The isothermal dehydration of poly(acrylic‐co‐methacrylic acid) (PAM) hydrogel under microwave heating (MWH) was investigated. The isothermal kinetics curves of the PAM hydrogel dehydration at temperature range from 293 K to 333 K were recorded. Based on the differential isoconversion method it ...


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