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5.479 Aktuelle Fachpublikationen aus der Branche Verfahrenstechnik


Image Analysis of Heavy Oil Liberation from Host Rocks/Sands

22.11.2014 | Lin He, Yile Zhang, Feng Lin, Zhenghe Xu, Xingang Li, Hong Sui, The Canadian Journal of Chemical Engineering, 2014

Abstract An essential requirement for efficient heavy oil production is liberation of heavy oil from host rocks, which is determined by the wettability of the rocks and interfacial tension and viscosity of heavy oil. A recent progress on the design of an on‐line visualization flow cell ...


Exergy analysis of NGL recovery plant using a hybrid ACOR‐BP neural network modeling: a case study

21.11.2014 | Danial Safarvand, Mostafa Aliazdeh, Mohammad Samipour Giri, Mahtab Jafarnejad, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT The major objective of the study is to make exergy analysis of natural gas liquid (NGL) process more understandable by coupling it with the use of an artificial neural network modeling. The presented method permits to provide an energy diagnosis of the process under a wide range of ...


Dispersion of heavy gases – Experimental results and numerical simulations

21.11.2014 | Christian Rauchegger, Susan Bayley, Volkmar Schröder, Dominique Thévenin, Process Safety Progress, 2014

The hazardous potential of accidental heavy gas releases, especially those involving flammable and toxic gases, is widely known. In order to predict the area in which these gases are in hazardous concentrations, an estimation of the dispersion of these gases must be carried out. While the ...


Bhopal Revisited

20.11.2014 | John F. Murphy, Dennis Hendershot, Scott Berger, Angela E. Summers, Ronald J. Willey, Process Safety Progress, 2014

On December 3, 1984, a pesticide plant in Bhopal, India released approximately 40 metric tons of methyl isocyanate into the atmosphere. The impact of this incident was an estimated 2,000 fatalities, 100,000 injuries, and significant damage to livestock and crops [1]. Thirty years have passed ...


Modélisation par homogénéisation d'une colonne d'absorption réactive

19.11.2014 | Coralie Girard, Frédéric Couture, Jean‐Michel Reneaume, Pierre Cezac, The Canadian Journal of Chemical Engineering, 2014

RESUME Le garnissage d'une colonne d'absorption réactive est assimilé à un milieu poreux. Ainsi la modélisation des phénomènes de transports réactifs est basée sur une méthode d'homogénéisation par prise de moyenne volumique, technique originale pour le domaine. Le modèle est appliqué à ...


Modeling vapor pressure of fatty acid and fatty acid methyl esters using cubic equations of state

19.11.2014 | M. H. Joshipura, R. J. Patel, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT Biodiesel is one of the most promising alternates to fossil fuels. Production process of biodiesel requires separation of fatty acids (FAs) and their esters from the other products and reactants. This requires the phase equilibrium studies of the FA and their esters. For phase ...


Morphology and rheological properties of silica‐filled poly(carbonate)/poly(methyl methacrylate) blends

14.11.2014 | Weizhen Li, Anne B. Spoelstra, Johannes G.P. Goossens, Polymer Engineering and Science, 2014

The effect of silica nanoparticles on the morphology and the rheological properties was investigated in the immiscible polymer blend poly(carbonate)/poly(methyl methacrylate) (PC/PMMA). In the melt state, the linear viscoelastic properties of the nanocomposite showed a reduction effect of the ...


Extrusion film casting of long chain branched polypropylene

14.11.2014 | Kalyani Chikhalikar, Sourya Banik, Lal Busher Azad, Kishor Jadhav, Sunil Mahajan, Zubair Ahmad, Surendra Kulkarni, S ..., Polymer Engineering and Science, 2014

Extrusion film casting (EFC) is an important melt processing operation which is extensively used to make polypropylene (PP) films. Linear PP shows significant amount of necking and draw resonance during EFC. One of the ways to reduce necking is to introduce long chain branches (LCB) on the ...


Influence of the drying route on the depolymerization and properties of chitosan

14.11.2014 | Mabel K. Arantes, Cristie L. Kugelmeier, Lucio Cardozo‐Filho, Marcos R. Monteiro, Clayton R. Oliveira, Helton J. Alves, Polymer Engineering and Science, 2014

In this work, a chitosan sample with a high degree of deacetylation (DD >95%) obtained from freshwater shrimp shells was subjected to drying processes in an electric oven and by supercritical CO2. The results indicated that drying chitosan particles with supercritical CO2 resulted in a very ...


A Comprehensive Kinetic Study of the Reaction of SO2 with CaO by the Random Pore Model

14.11.2014 | Hadi Moshiri, Bahram Nasernejad, Habib Ale Ebrahim, Mahboobeh Taheri, Chemical Engineering & Technology, 2014

Abstract The kinetics of the reaction between CaO and SO2 was studied by the random pore model, to accurately consider the porous structure of the solid reactant. The inherent reaction rate constants and rate dependency with respect to the SO2 concentration were determined from the initial ...


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