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Silo explosion from smoldering combustion: A case study

16.02.2017 | Paola Russo, Armando De Rosa, Michele Mazzaro, The Canadian Journal of Chemical Engineering, 2017

Abstract Smoldering combustion in power/dust deposits constitutes a significant problem in some process industries. Numerous bulk materials produce heat due to different biological and oxidation processes. Spontaneous heating occurs if the rate of heat generation by an exothermic process is ...

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Hydrogenation of m‐chloronitrobenzene over amorphous Ni‐B/CNTs catalysts: Promoting effect of CNTs confinement on the catalytic performance

15.02.2017 | Feng Li, Jinrong Liang, Keliang Wang, Bo Cao, Wenxi Zhu, Hua Song, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT Ni‐B amorphous alloy particles were selectively loaded inside and outside of carbon nanotubes (CNTs) to form a series of Ni‐B/CNTs amorphous alloy catalysts. The confinement effects of the CNTs on the physicochemical properties of Ni‐B/CNTs were investigated. The results show that ...

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Adsorption of copper on glass beads coated with chitosan: Stirred batch and fixed bed analysis

15.02.2017 | Marlon de S. Gama, F. Murilo T. Luna, Juliana Q. Albarelli, Marisa M. Beppu, Rodrigo S. Vieira, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT Chitosan is a natural polymer largely studied for heavy metal adsorption applications, since the amino and hydroxyl groups present in its structure can act as chelation sites. However, this material presents some drawbacks as adsorbent due to its low mechanical strength. Studies have ...

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Reflection‐refraction effects on light distribution inside tubular photobioreactors

15.02.2017 | Gaspare Marotta, Jeremy Pruvost, Francesca Scargiali, Giuseppe Caputo, Alberto Brucato, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT One of the main parameters affecting autotrophic algae cultures is photon absorption distribution inside the photobioreactor. This clearly depends on the geometry of both the radiation source and the photobioreactor, as well as on algae suspension optical properties. In this work the ...

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Highly selective Fischer‐Tropsch synthesis for C10‐C20 diesel fuel under low pressure

15.02.2017 | Zhen Dong, Haiping Zhang, Tom Whidden, Ying Zheng, Jianshe Zhao, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT This work deals with the improvement of diesel (C10‐C20) production of Fischer‐Tropsch (FT) synthesis at low pressure over Co‐Re/Al2O3 since high catalytic activity and great potential in producing C10‐C20 hydrocarbons was observed under conventional conditions. To improve the ...

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Viscosity‐concentration relationships for nanodispersions based on glass transition point

15.02.2017 | Rajinder Pal, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT The theoretical background relevant to modelling of the viscous behaviour of nanodispersions (nanosuspensions and nanoemulsions) is discussed. Using free‐volume arguments, a simple model is developed to describe the viscous behaviour of nanodispersions. A large pool (16 sets) of ...

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Process Chain for the Fabrication of Nanoparticle Polymer Composites by Laser Ablation Synthesis

09.02.2017 | Elisabeth Maurer, Stephan Barcikowski, Bilal Gökce, Chemical Engineering & Technology, 2017

Abstract Nanoparticle polymer composites are of growing interest due to their unique properties. However, conventional composite synthesis methods usually require several process steps including steps for cleaning and improving the particle‐matrix dispersion. As an alternative, laser ablation ...

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Individual and interaction effects of operating parameters on the photocatalytic degradation under visible light illumination: Response surface methodological approach

09.02.2017 | Mehrzad Feilizadeh, Mohammad Rahimi, S.M. Esmaeil Zakeri, Nader Mahinpey, Manouchehr Vossoughi, Mojtaba Qanbarzadeh, The Canadian Journal of Chemical Engineering, 2017

Abstract In this study, for the first time a statistical analysis based on the response surface methodology (RSM) was employed to investigate individual and interaction effects of key operating parameters of the photocatalytic degradation under visible‐light irradiation using Ag‐S/PEG/TiO2. ...

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Effect of selective oxidation and sulphur/phosphorus‐containing compounds on coking behaviour during light naphtha thermal cracking

09.02.2017 | Binbin Bao, Jinglei Liu, Hong Xu, Shun Wan, Weifeng Zhang, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT The investigation was aimed at evaluating the effect of selective oxidation and sulphur/phosphorus‐containing compounds on coking behaviour at the surface of HP40 alloy during thermal cracking of light naphtha. The surface morphology and composition of the selectively oxidized alloy ...

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Wave and wind effects on the oxygen transfer across an air‐water interface: An experimental study

09.02.2017 | Aldo Tamburrino, Natalia Martínez, The Canadian Journal of Chemical Engineering, 2017

ABSTRACT The results of an experimental study on the oxygen transfer across the air‐water interface under the combined effect of wind and mechanically generated waves are presented in the paper. The experiments were carried out in a wind tunnel containing a water tank. From the analysis of ...

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