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574 Newest Publications about the topic solution

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Novel temperature‐sensitive and pH‐sensitive polyurethane membranes: preparation and characterization

10-12-2014 | Hu Zhou, Bin Yu, Ruiping Xun, Ning Li, Kejian Wu, Hanzhou Sun, Zhihua Zhou, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT The polyurethane (PU) membranes with temperature and pH double sensitivities for water permeation were designed and prepared from a two‐step solution polymerization from the crystalline polycaprolactone diols (PCL), 4,4′‐diphenylmethane diisocyanate (MDI) and pH‐sensitive ...


An analytical study of the acoustic force implication on the settling velocity of non‐spherical particles in the incompressible Newtonian fluid

10-12-2014 | A. R. Noorpoor, S. Nazari, Asia-Pacific Journal of Chemical Engineering, 2014

ABSTRACT In this paper, the effect of the acoustic radiation force on the acceleration motion of a vertically falling non‐spherical particle in the incompressible Newtonian fluid is investigated. The using of the acoustic radiation force for increasing the falling velocity of particles ...


Improved performance of A passive air breathing flat‐plate microbial fuel cell

04-12-2014 | Sona Kazemi, Khalid Fatih, Madjid Mohseni, The Canadian Journal of Chemical Engineering, 2014

This study aims to investigate the effect of the graphite felt (GF) substrate surface treatment, the GF active surface area, and the anode chamber depth on the performance of the passive air breathing flat‐plate microbial fuel cell (FPMFC) configuration. Three passive air breathing FPMFCs ...


Slip heating in die drool

04-12-2014 | Peter H. Gilbert, A. Jeffrey Giacomin, The Canadian Journal of Chemical Engineering, 2014

When molten plastic is extruded from a die, it can collect on the open die face. Called die drool, this phenomenon costs plastics manufacturers by requiring shutdown for die cleaning. This has been attributed to cohesive failure within the fluid at an internal surface, where the fluid slips on ...


Particle Size Control and Crystal Habit Modification of Phenacetin Using Ultrasonic Crystallization

28-11-2014 | Chie‐Shaan Su, Chieh‐Yun Liao, Wun‐De Jheng, Chemical Engineering & Technology, 2014

Abstract Power ultrasound is applied for cooling crystallization to control and modify the particle size and crystal habit of an active pharmaceutical ingredient, phenacetin. Operating parameters including sonication intensity and duration, solution concentration, and cooling rate are studied ...


Dissolution characteristics of calcium‐based alkaline industrial derived wastes

28-11-2014 | Jianli Zhao, Kuihua Han, Yingjie Li, Shengli Niu, Chunmei Lu, The Canadian Journal of Chemical Engineering, 2014

Abstract Accurately evaluating the rate at which calcium‐based alkaline industrial derived wastes(CAIDW) dissolve is very important in the design and development of CAIDW type wet flue gas desulfurization plants. The dissolution characteristics of alkaline slag(AS) and salt mud(SM) have been ...


Mechanism of Flue Gas Desulfurization with Sodium Phosphate Solution

26-11-2014 | Zhiguo Yuan, Wei Song, Youzhi Liu, Xiaofeng Kang, Bo Peng, Chemical Engineering & Technology, 2014

Abstract To provide theoretical instructions for experiments and industrial application of regenerative flue gas desulfurization by sodium phosphate solution, the properties of phosphate solution and multiple buffer solution system of phosphoric acid‐sulfurous acid‐sodium salts formed from the ...


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 ...


Mathematical Modeling and Genetic Algorithm Optimization of Reactive Absorption of H2S

05-11-2014 | Fatemeh Bashipour, Saied Nouri Khorasani, Amir Rahimi, Chemical Engineering & Technology, 2014

Abstract A rate‐based mathematical model was developed for the reactive absorption of H2S in NaOH, with NaOCl or H2O2 as the chemical oxidant solutions in a packed column. A modified mass transfer coefficient in the gas phase was obtained by genetic algorithm and implemented in the model to ...


Effect of fiber size on structural and tensile properties of electrospun polyvinylidene fluoride fibers

18-10-2014 | Avinash Baji, Yiu‐Wing Mai, Shing‐Chung Wong, Polymer Engineering and Science, 2014

We use electrospinning to obtain polyvinylidene fluoride (PVDF) fibers and demonstrate simultaneous improvements in β‐crystal microstructure and in tensile properties of fibers with reduction of their diameter. PVDF fibers with average diameters ranging from 70 to 400 nm are obtained by ...


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