11-05-2013 | Xinjun Zhu, Hina Saba, Yumei Zhang, Huaping Wang, Polymer Engineering and Science, 2013

Abstract The viscoelastic behavior of concentrated polyacrylonitrile (PAN) /1‐butyl‐3‐methylimidazolium chloride ([BMIM]Cl) solutions at different concentrations and temperatures has been investigated by rheology. For concentrated polymer solutions at low temperature (40°C), the shear ...

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29-04-2013 | Yan‐Yang Wu, Kui Chen, Jia‐Wen Zhu, Bin Wu, Lijun Ji, Ya‐Ling Shen, The Canadian Journal of Chemical Engineering, 2013

Abstract Enhanced extraction of 2,3‐butanediol by adding salt into solvent n‐butanol has been studied in this paper. Ternary phase diagrams for 2,3‐butanediol + water + salt have been determined. The influences of phase ratio, type of salts and salt content on distribution coefficient ...

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26-04-2013 | Shozab Mehdi, Anne‐Marie Billet, Imran R. Chughtai, Mansoor H. Inayat, Asia-Pacific Journal of Chemical Engineering, 2013

ABSTRACT Overall liquid side volumetric mass transfer coefficient kLa was determined experimentally for cocurrent Taylor flow moving upwards in a glass tube of an internal diameter of 3 mm. Experiments were performed for physical absorption of oxygen in 20% aqueous solution of ethanol. ...

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25-04-2013 | H. Qu, M. C. R. Serrat, L. P. Christensen, J. Rantanen, Chemical Engineering & Technology, 2013

Abstract The mechanism of the salt‐to‐free form drug transformation was explored by investigating the pH‐solubility profiles of a model drug in a salt form and the nucleation of the free base from the salt solution when its pH was increasing. The transformation of the salt to the free ...

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24-04-2013 | Trygve Skjold, Kees Wingerden, Process Safety Progress, 2013

An explosion in an atmospheric storage tank initiated additional tank explosions and a pool fire at a tank facility in Norway. The tank farm had been operated as a purification plant for a petroleum product called coker gasoline. The process entailed extraction of malodorous sulfur ...

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19-04-2013 | Armin Kianian, Amirhossein Ahadi, M. Ziad Saghir, The Canadian Journal of Chemical Engineering, 2013

Abstract This paper demonstrates the influence of low Rayleigh vibration on thermodiffusion measurement in microgravity environment. The goal is to show how the variation of certain parameters such as frequency and amplitude of translational vibrations would impact the results obtained ...

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11-04-2013 | U. Krtschil, V. Hessel, H.‐J. Kost, D. Reinhard, Chemical Engineering & Technology, 2013

Abstract Significant process intensification was achieved for the continuously operated Kolbe‐Schmitt synthesis of 2,4‐dihydroxybenzoic acid (β‐resorcylic acid) on laboratory scale by using different approaches opening novel process windows. The results of the optimal process variant, ...

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11-04-2013 | Yun‐Mei Luo, Luc Chevalier, Françoise Utheza, Eric Monteiro, Polymer Engineering and Science, 2013

Abstract The poly ethylene terephthalate near the glass transition temperature highlights a strongly non linear elastic and viscous behaviour when biaxially stretched at high strain rates representative of the injection stretch blow moulding process. A non linear visco‐hyperelastic model, ...

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06-04-2013 | Ângela Dias, João Machado, Jorge Moniz, Adélio M. Mendes, Fernão D. Magalhães, Polymer Engineering and Science, 2013

Abstract Multivesiculated polyester particles were synthesized from a double emulsion system comprising water and a solution of unsaturated polyester in styrene. A suspension of solid micro‐particles containing multiple water‐filled vesicles is obtained after curing (i.e., crosslinking) ...

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05-04-2013 | Y. Liu, J. Pan, M. Du, A. Tang, Q. Wang, Chemical Engineering & Technology, 2013

Abstract In this work, advanced oxidation removal of nitric oxide (NO) from flue gas by homogeneous Photo‐Fenton was investigated in a photochemical reactor and the effects of several influencing factors on NO removal were evaluated. The gas‐liquid reaction products were determined. The ...

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