The Canadian Journal of Chemical Engineering

Cover image for Vol. 93 Issue 12

Edited By: João B.P. Soares

Impact Factor: 1.231

ISI Journal Citation Reports © Ranking: 2014: 73/135 (Engineering Chemical)

Online ISSN: 1939-019X

Issue Spotlight

November 2015

The November 2015 issue highlights “An Efficient Non-Newtonian Fluid-Flow Simulator for Variable Aperture Fractures”. In their article, Morris et al. propose a simpler solution for three-dimensional flow models of non-Newtonian fluids introducing an aperture-averaged analytic solution for flow of a Hershel-Bulkley fluid between two plates.

October 2015

The October 2015 issue highlights a a series of short notes on technical writing. Gregory Patience et al. asks 20 questions to test your knowledge of writing and of Chemical Engineering bibliometrics. He and his colleagues will provide detailed answers to these questions in the subsequent issues of Can. J. Chem. Eng. We hope this exercise will help our authors write better articles that communicate their ideas more effectively.

September 2015

The September 2015 issue highlights the "The Influence of Tailings Composition on Flocculation." In their review article, Botha and Soares summarize the published research on flocculation performance within the context of complex fine tailings systems. Furthermore, they describe the compositional complexity of mature fine tailings to help the design of more representative model tailings systems.

August 2015

The August 2015 issue highlights the article by Vikhansky and Splawski. They developed an adaptive discretization algorithm for population balances that can be combined with multiphase CFD codes. The authors show how their approach is useful to model multiphase multidisperse flow processes.

July 2015

The July 2015 issue highlights the article by Professor Graeme W. Norval. This article compares safety management practices in the industry and academic engineering programs, and proposes ways to improve safety management procedures in academia.

June 2015

The June 2015 issue highlights the article, whereby McLean et al. apply a novel robust method to optimize the industrial chemical supply chain (involving materials purchase and transportation network, several manufacturing plants with on-site material and product inventories, a product transportation network, and several regional markets) from major chemical companies under large uncertainties in customer demands.

May 2015

In the May 2015 issue, we highlight that oil sands are an important natural resource in Canada, but their current exploration is associated with negative environmental impacts, notably the formation of tailing ponds. In their article, Vedoy and Soares review polymer flocculants applications for the remediation of oil sands tailings.

April 2015

In the April 2015 issue, Robert Scott gives an overview of the work done in his laboratory towards the rational synthesis of gold-palladium bimetallic nanoparticle catalysts with controlled architectures. These catalysts can be used to promote alcohol oxidation at low temperatures.

March 2015

In the March 2015 issue, Das and Mhaskar considered the problem of control of nonlinear systems subject to uncertainty using a Lyapunov-based robust model predictive control (MPC) design integrated with a moving horizon based offset free mechanism to enable improved performance while preserving closed-loop stability properties. Simulation results illustrate the disturbance rejection and noise handling properties of the proposed framework.

February 2015

The February 2015 special issue contains selected papers presented during the conference of the French Society of Process Engineering in 2013. The theme of the conference was “The chemical engineering sciences for a sustainable industry”. Issues related to industrial and societal challenges for the coming years are discussed in 33 manuscripts in this special issue.

January 2015

The January 2015 issue issue highlights the CFD special series article. Sommerfeld and Lain analyze the importance of the various particle transport phenomena and flow conditions on particle-laden flows through pipes. These types of flows are common in processing industries. Typical examples are pneumatic conveying within processes, pneumatic mixing devices, and particle separation equipment such as gas cyclones.

December 2014

The December 2014 issue of the CJChE includes a collection of articles to celebrate the 65th birthday of Prof. J. B. Joshi. Prof. Joshi is known for his passion for bringing about a paradigm shift in the chemical equipment process design using advances in simulations and experiments that shed new insight on the turbulent, multiphase transport processes taking place inside process vessels. This issue offers contributions from his colleagues around the world as an acknowledgement of his impact on their own work and career.

November 2014

In the November 2014 issue of CJCE, the extraction of functional proteins from industrial broth has attracted interest lately as a way to overcome limited natural resources. In their article, Dadashi et al. developed a computational fluid dynamics model to describe the hydrodynamics and mass transfer phenomena taking place during continuous protein extraction from using a liquid-solid circulating fluidized bed (LSCFB) ion exchange system. They demonstrated that the model was a robust tool to simulate, scale up, and optimize the LSCFB ion exchange systems for protein extraction process.

October 2014

In the October 2014 issue of CJCE, Safronov et al. revisit a classical chemical engineering problem on the modelling of chemically reacting coal particles. One of the basic challenges in this system is the realistic modelling of transport properties in the gas phase and the coupling of the boundary conditions at the chemically reacting interface with the gas flow. The authors carried out a numerical study of the influence of the gas flow on heat and mass transfer in the boundary layer of a chemically reacting coal particle.

September 2014

The September 2014 issue of CJCE includes a section dedicated to the top papers presented in the 3rd International Symposium on Modelling of Exhaust-Gas After-Treatment (MODEGAT III). These papers reflect the symposium's purpose of promoting the exchange of state-of-the-art modelling and simulation techniques, fundamental mechanistic studies, experimental model validation and technical applications of modelling and simulation among researchers, scientists, and engineers from industry and academia.

August 2014

In the August 2014 issue of CJCE - we highlight the article by Dhaliwal and Guay who propose a set-based adaptive estimation technique for simultaneous state estimation and parameter identification of a class of continuous-time non-linear systems subject to time-varying disturbances. The method guarantees convergence of the parameter estimation error to zero and significantly determines the unknown state of the system with unknown bounded disturbance. The estimation and identification algorithms have been implemented to several simulation examples to demonstrate its effectiveness.

July 2014

In the July 2014 issue of CJCE - Polymer nanocomposites are novel materials that exhibit improved properties versus conventional microcomposites. There is increased interest in these materials as a good alternative to replace metals in many applications because of enhanced mechanical properties and processability, high conductivity and light weight. In their article, Sarvi et al. show that novel core-shell nanostructures of polyaniline-coated copper nanowires (PANI/Cu NWs) can be synthesised using a simple and reproducible approach by spontaneous chemisorption of PANI on copper surface.Please see Sarvi et al.

June 2014

In the June 2014 issue of CJChE – In their CFD special series article. Eskin et al. proposed a model to describe wax deposition in oil transport pipelines. They demonstrate how the deposit layer thickness and the mean deposit porosity are affected by the diffusivity exponent, the precipitation rate constant and the shear-removal factor. This manuscript brings us closer to the development of a global approach for accurate field-scale wax deposition forecasting.

May 2014

The May 2014 issue of CJChE features an article by Hadiseh Karimi and Kimberley B. McAuley about their development of an easy-to-use Approximate Expectation Maximization (AEM) method for estimating model parameters and disturbance intensities in Stochastic Differential Equation models. The main advantages of the proposed AEM method are that it is less computationally intensive than Markov Chain Monte Carlo methods and that it does not require linearization of the model equations.

April 2014

In the April 2014 issue, we highlight "Pumping Characterisation of the Maxblend Impeller for Newtonian and Strongly Non-Newtonian Fluids," by Vincent Stobiac, Louis Fradette, Philippe A. Tanguy and Francois Bertrand.

This paper examines the pumping mechanisms generated by the Maxblend impeller. Lattice Boltzmann Method (LBM) results are first compared to previously published Finite Element Method (FEM) data. These results are next used to revisit and better understand recent experimental data based on 2D particle image velocimetry (PIV) and the decolourisation method. No such extended numerical investigation of the pumping capacity of the Maxblend has been done for Newtonian and strongly non-Newtonian fluids.

March 2014

In the March 2014 issue, Joshi et al. review of the literature pertaining to Petroleum Coke (petcoke) Gasification following a thematic framework so that the information is available at a glance and is expected to be useful as a single point source to the researchers and practicing refiners. This is a timely review because the production of petcoke in refineries is progressively peaking up due to the trend of processing heavy crudes and in a renewed interest in delayed coking process.

February 2014

In the February 2014 issue of the CJChE, Janssen and Hoogland review emulsification modelling techniques in industrial practice, based on their experience with food and personal care emulsions in Unilever. This article is one of several dedicated to Emulsifications: Modelling Technologies and Applications, as part of the talks given in the Vingt cinqueemes Entretiens du Centre Jacques Cartier Conference in Lyon, France.

January 2014

The January 2014 issue highlights the next article in the CFD special series where Kartushinsky et al. investigate the deposition of aluminium oxide particles onto a horizontal flat plate within the laminar boundary layer in the free-stream moderate turbulent flow. The obtained numerical results show that the deposition process is determined both by the hydrodynamics of streamlining of the plate surface and the elastic and adhesive properties of the particles and the surface.

December 2013

In the December 2013 issue of the CJChE we highlight "The recent progress in non-precious metal catalysts for polymer electrolyte membrane fuel cell applications” which is reviewed by Higgins and Chen and is a new article in the CJChE special series on Catalysis. The development of these materials is predicted to provide large economic advantages in the commercialisation of these devices.

November 2013

The November 2013 issue of the CJChE commemorates the 90th birthday of Professor Norman Epstein. This special issue of Spouted Beds consists of 17 articles written by international experts to honour a great Canadian scientist and engineer, and former Editor-in-Chief of the CJChE.

October 2013

In the October 2013 issue of the CJChE, the newest article in the Process Systems Engineering special series proposes a method to reduce significantly network communication burden of cooperative distributed model predictive control (DMPC).

September 2013

The September 2013 issue of the CJChE includes a special series on Catalysts, in which Sotoodeh and Smith give an overview of the advances on the storage of hydrogen by physical and chemical mechanism, with emphasis on the use of liquid organic hydrogen carriers (LOHCs)" referring to CJCE (2013), 91, 1477

August 2013

The August 2013 issue of CJChE features a special section dedicated to selected papers given on the Oilsands 2012 Conference, held at the University of Alberta. This conferences series provides a platform for effective knowledge and technology exchanges among government officials, researchers, university academics, and industry R&D researchers and practice engineers. The 11 papers selected for this special issue highlight recent advances in this essential area of the Canadian economy.

July 2013

The July 2013 issue highlights an article which is part of the CFD special series, whereby D. Lakehal presents the possibilities offered today by Computational Fluid and Multiphase Fluid Dynamics techniques to treat complex, multiphase, multicomponent flow problems occurring in gas and petroleum industry.

June 2013

The June 2013 issue of the CJChE highlights an article by M. Gray et al. The article investigates different solvents for non-aqueous extraction of Alberta oil sand. Non-aqueous extraction of bitumen from oil sands is an attractive alternative for the exploration of this important Canadian resource because it can potentially reduce fresh water demands of the extraction process and eventually eliminate tailing ponds.

May 2013

In the May 2013 issue of CJChE we highlight "Heat transfer and flow pattern in co-current downward steam condensation in vertical pipes-I: CFD simulation and experimental measurements" and “Heat transfer and flow pattern in co-current downward steam condensation in vertical pipes-II: Comparison with published work” whereby Professor Joshi and collaborators have developed a procedure to measure and simulate the condensation of steam flowing down inside a vertical tube, a process that occurs in many practical situations in power plants and the chemical industry.

April 2013

This issue features a special section for the invited papers presented at the 61st Canadian Chemical Engineering Conference in London, ON (2011). We would also like to highlight another article in this issue, part of our special series on Chemical Engineering Research in Latin America: Gugliotta et al. show how to use ecofriendly chain transfer agents for the polymerization of acrylic monomers used in coatings and adhesives. This is an increasingly important requirement due to recent more stringent environmental regulations.

March 2013

In the March 2013 issue of the CJChE we highlight the article of Taghavi and Frigaard on the sequential flow of fluids along near-horizontal pipes. This article is part of our CFD special series and has applications in the oil and gas industry during construction of wells, as well as pipelining, drilling and fracturing operations.

February 2013

In the February 2013 issue of the CJChE, the article by Madeira and Rodrigues, part of our special series on Chemical Reaction Engineering, presents a unified view on how competitive effects between diffusion and first-order irreversible reaction in poisoned catalysts affect catalyst performance.

January 2013

The January 2013 issue of the CJChE
highlights an article by Bao et al. The article discusses how immobilized microorganisms can be used to degrade heavy oil, addressing important issues on the remediation of oil-contaminated environments.

December 2012

The December issue of the CJChE highlights contributions from the 4th Symposium on Advanced Control of Industrial Processes (ADCONIP). The papers in the ADCONIP special section cover topics such as estimation and monitoring, advanced process control, process optimisation and controller performance assessment.

October 2012

The October issue of the CJChE contains an article by Tavares and Melo that proposes a method to utilize solid waste generated in the electroplating industry as aggregates for manufacturing concrete paving blocks by means of the solidification/stabilisation technique and evaluate their water absorption properties and compressive strength. The proposed method is an important step towards reaching the goals of current environmental policies that aim to minimise solid waste generation and increase recycling.

August 2012

The August issue of the CJChE contains a special section dedicated to papers on modelling, simulation and experimental approaches in nanoscience and nanotechnology applied to the chemical industry, collected from presentations given at the Nano-Thailand International Conference on Nanotechnology for a Sustainable World in November 18-20 2010.