The Canadian Journal of Chemical Engineering

Cover image for Vol. 93 Issue 8

Edited By: João B.P. Soares

Impact Factor: 1.231

ISI Journal Citation Reports © Ranking: 2014: 73/134 (Engineering Chemical)

Online ISSN: 1939-019X

Author Guidelines

NIH Public Access Mandate
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Author Guidelines

Types of publications

The Canadian Journal of Chemical Engineering (Can. J. Chem. Eng.) publishes original research articles, new theoretical interpretation or experimental findings, and critical reviews in the science or industrial practice of chemical and biochemical processes. Preference is given to papers having a clearly indicated scope and applicability in any of the following areas: fluid mechanics, heat and mass transfer, multiphase flows, separations processes, thermodynamics, process systems engineering, reactors and reaction kinetics, catalysis, interfacial phenomena, electrochemical phenomena, bioengineering, minerals processing and natural products, and environmental and energy engineering. Papers that merely describe or present a conventional or routine analysis (without novel elements) of existing processes will not be considered.

(a) Article –a full-length paper describing a new theory, or significant and substantial new results in any of the areas identified above.

(b) Letters – two types: (1) from authors, correcting or briefly elaborating on a paper previously published in the Journal; (2) from others, commenting on material previously published in The Canadian Journal of Chemical Engineering. Normally, these will be sent to the authors of the prior publication for their response before publication.

(c) Note –describes the results of a short but complete study, or describes new or significantly improved experimental methods or devices.

(d) Review Article –normally by invitation. Authors wishing to submit a critical review should consult the Editor-in-Chief, in advance.

(e) Special Issue article –by invitation only.

(f) Special Series article –organized and invited by guest editors in different areas of expertise.

(g) Award Paper –by invitation only.

Submission of a paper infers that it is not being considered for publication elsewhere and that it has not been published previously in any archival publication. All the co-authors should have approved the submission, in advance. Articles, notes, review articles, special issue articles, and special series articles will be reviewed by three persons knowledgeable of the topic. Reviewers will remain anonymous.

Manuscript requirements (all categories)

(a) The manuscript must be in either English or French. It should have been carefully checked for clarity, conciseness, correctness of grammar and spelling, and typographical errors. Please note that Can. J. Chem. Eng. follows the International System of Units (SI) and the Chicago Manual of Style (16th edition), excepting only reference style and Canadian spelling standards. For Canadian spellings, consult the Canadian Oxford Dictionary. Standard formal academic language is required; e.g. contractions (can’t, don’t, wasn’t), slang, and other casual language are not permitted.

(b) The manuscript and all figures and tables must be supplied in electronic format. For co-authored papers, identify the person to whom correspondence should be addressed using an asterisk (*) and a footnote on the first page.

(c) Basic Formatting: All articles should be submitted in 12-pt Times New Roman font in a single column with 1 inch margins. The abstract should be single spaced and the main text should be in 1.5 spacing. Figures and tables should not be included in the .doc (Word) file, but submitted in separate files.

(d) Abstract: The abstract is to indicate in no more than 250 words(maximum of 2 paragraphs) the scope and principal findings of the work (abstracts are not required for letters). Following the abstract, provide a maximum of 5 key-phrases (10 words total) that will be used for subject indexing. Example: combustion, coal combustion, fluidized bed coal combustion, gas fluidization.

Graphical Abstract:Visual summary of the main findings of an article. This type of abstract is optional. This image must be created at larger than 300 dpi at larger than 3.5 inches wide.

(e) Main body of manuscript: Appropriate use of headings and subheadings should be made in the main body.All references, tables and figures should be referred to in the text. Written descriptions as opposed to interpretation of figures should be minimized.

Headings: Headings must be unnumbered and follow the guidelines below. Please note that Can. J. Chem. Eng. does not use numbered headings, and any in-text references to the sections must use their titles. (e.g., ". . . see Introduction for details.)

 Section Headings     



1st level

All capital letters (e.g., MATERIALS AND METHODS)

2nd level

Capitalize each word; roman type (e.g., Experimental Set-up and Methods)

3rd level

Sentence case; italics (e.g., Analytical methods)

4th level

Sentence case; roman type (e.g., First method)

Chemical names: Chemical compounds are to be named according to the rules established by IUPAC. Positional prefixes are to be printed in italics; examples: n- butane, n- C 4 -H 10 .
Symbols: Use the Symbols font for symbols. Greek letters, superscripts, and subscripts should be indicated. The use of unnecessarily complex subscripts and superscripts is to be avoided. Definitions and units should not be given in the main body, except when essential to convey a clear understanding of the theoretical development.
Equations: All equations should be numbered using Arabic numerals and correctly punctuated. Refer to equations as “Equation (1),” not “Eq. (1)” or “Equation 1.” Algebraic fractions in numbered equations (including those in Appendices) are to be printed in the following example styles:

Equation 1(1)

Use the oblique slash to indicate division only for simple definitions included in a line of text. Examples: ... where Equation 2 ; dy/dx = (A/x) B.

(f) Nomenclature: An alphabetical/numerical list of all symbols used in the paper (including symbols used in tables, figures, and appendices) must be provided on separate pages following the main body. List Greek letter symbols alphabetically immediately after the list of Roman symbols in a separate subsection entitled Greek letters. Definitions and SI units are to be provided for all listed symbols, listed in parentheses after the definition. Example: “P      pressure (Pa)”

(g) References: References to literature must be numbered consecutively in the text and typed in square brackets as superscripts after any punctuation. . Examples: “…as shown by Huglin.[6] …these methods (see Smith).[36] … According to Jones et al.,[7] … As seen in the literature,[2–6,10,11] …”

For the “References” section after main text, please use the following examples as a guide:

Journals: Initials. Author Surname, Abbreviated Journal Title
 year, volume number, page number of first page. Example: H. R. Kricheldorf, A. Stricker, Macromol. Chem. Phys. 1999200, 1726.

Books: Initials. Author Surname, Book Title, Edition number, Publisher, City of Publication year, page number. Example: G. Wegner, K. Müllen, 
Electronic Materials: The Oligomer Approach, 1st edition, Wiley- VCH, Weinheim 1998, p. 189.

Edited Books: Author Surname, “Chapter title,” Book Title, Edition number, Initial. Editor Surname, Eds., Publisher, City of Publication year, page number. Example B: F. R. Keen, B. P. Sullivan, ''Mechanism of the Electrochemical Reduction of Carbon Dioxide Catalyzed by Transition Metal Complexes,'' Electrochemical and Electrocatalytic Reactions of Carbon Dioxide, B. P. Sullivan, K. Krist, H. E. Guard, Eds., Elsevier Science Publishers BV, Amsterdam 1993, p. 118.

Patents: Country code (for abbreviations: see “
CASSI”), number, (registration year), holder, inventor(s). Example: Ger. 838217 (1952), Farbenfabriken Bayer AG, invs.: W. Lehmann, H. Rinke.

Theses: Initial. Author Surname, Thesis title, Degree, University name, City of publication year, page number. Example: F. G. Kieviet, Modeling Quality in Spray Dryer, PhD thesis, Eindhoven University of Technology, Eindhoven, the Netherlands 1997, p. 29.

Website: Initial. Author Surname, “Page title,” Website name, year published or updated, accessed on day month year, url. Example: R. Lowry, “Concepts & Applications of Inferential Statistics,” VassarStats, 2013, accessed on 6 September 2013,

Conference: Initial. Author Surname, “Paper title,” Conference name, host organization, conference city, day(s) month year. Example: M. Liu, A. Andrianov, W. R. Rossen, “Sweep Efficiency in CO2 Foam Simulations With Oil,” SPE EUROPEC/EAGE Annual Conference and Exhibition, Society of Petroleum Engineers, Vienna, 23-26 May 2011.

(h) Tables: Tables are to be numbered in Arabic numerals and have a brief descriptive title at the top of each table.Column headings should be brief and must include the units of the item(s) listed.

(i) Figures: Figures should not duplicate results given in tables. All figures should be numbered in Arabic numerals. Refer to figures as "Figure 1" not "Fig. 1". Figure/photograph captionsare to be listed in the text file. Please clearly name your files.

Image files
Electronic files must be provided for all figures/images. The Journal recommends Vector based figures (i.e. figures created in Adobe Illustrator) and these should be submitted in .eps format. Alternatively, figures can be created in .tif format at larger than 3.5 inches wide and 300 dpi. Please note that we can't print your manuscript without clear image files.
In addition to the above resolution requirements, colour figures must be submitted in CMYK. Please do not submit colour figures as RGB.

Please do not submit figures in any of the following formats: JPG, GIF, PSD, CRD, PCT, PDF, BMP, 1-2-3 (or other) Lotus Formats.
Color illustrations. All colour figures will be reproduced in full colour in the online edition of the Journal at no cost to authors. Authors are requested to pay the cost of reproducing figures in print. Authors are encouraged to submit colour illustrations that highlight the text and convey essential scientific information. For best reproduction, bright, clear colours should be used. Dark colours against a dark background do not reproduce well; please place your colour images against a white background wherever possible.

(j) Supplementary material: Tables of data, figures and long derivations, etc. that are not considered to be essential for understanding the text will be filed with: Depository for Unpublished Data, CISTI, National Research Council Canada, Ottawa, Ontario, Canada  K1A 0S2.

Instructions to Authors

All authors should read the Canadian Society for Chemical Engineering Publication Ethics document.

Authors are encouraged to read Writing a Scientific Paper: From Clutter to Clarity by Gregory S. Patience et al.

Submission of manuscripts

Please note that manuscript submission is online only.

(a) To submit your manuscript online, please visit .

Please note that ScholarOne Manuscript Central does not accept a single file upload from the author. Text, tables, and figures will need to be uploaded individually. Do not embed figures or tables in the document as they will only be deleted from the document. Text and tables should be saved as Word or.rtf. Other file types will not be accepted.
To monitor the progress of your manuscript throughout the review process, login periodically and check your Author Center.

Online help is available to you at all times during the process. You are also able to exit/re-enter at any stage before finally "submitting" your work. All submissions are kept strictly confidential. If you have any questions, do not hesitate to contact us at .

(b) All correspondence should be directed to the editor :

João B. P. Soares, Editor-in-Chief, The Canadian Journal of Chemical Engineering
University of Alberta
Department of Chemical and Materials Engineering
Edmonton, AB, Canada

(c) iThenticate Plagiarism Software: Any article may be screened using this plagiarism prevention software at any stage of submission to ensure the overall similarity index is low.

(d) Authors are required to suggest names (with complete mailing addresses) of three or four qualified reviewers for the manuscript, but the selection of the reviewers will be the responsibility of the Editor-in-Chief/Associate Editors.

(e) File designations:

(i)     Manuscript’s Most Relevant Contributions: A file containing the manuscript’s most relevant contributions is required upon submitting an article. This file contains a bullet-point list of the most important highlights/contributions of the article.

(ii)    Main Document: The main content of a manuscript.

(iii)    Figure: An image file that depicts a graph, chart, drawing or photograph.

(iv)   Supplementary Files for Review and online publication only: Material which would not be printed in the hard copy but would appear in the online version only, such as extensive data sets or video files.

(v)    Additional Files for Review but NOT for publication: Files not intended for publication in any format but that provide valuable background or reference information, that are suitable for peer review.

(vi)   Additional Files NOT for Review and NOT for publication: Files not intended for publication in any format, but provide valuable background or reference information. These are not suitable for peer review.

(vii)  TeX/LaTeX Supplementary File: Any file that is part of a TeX/LaTeX document. Note: The main body of the TeX/LaTeX document (i.e., a file ending with ".tex") should be designated as a Main Document. All files referenced by a main TeX/LaTeX document should be designated as a TeX/LaTeX Suppl File (including other ".tex" files).

(f) TeX/LaTeX Submissions
• When uploading a TeX/LaTeX main document, the system will analyze the file to determine what additional resource files (such as image files and bibliographic files) are necessary to complete the document.
• The LaTeX conversion process only allows images to be provided as EPS files.
• A ‘Processing Log’ will be provided which constitutes a record of the conversion process. This is to help one to more easily identify and correct any errors in the TeX/LaTeX document.
• Authors must view the HTML proof of the manuscript, where the link to the TeX/LaTeX document will open the PDF proof. This is necessary to ensure all formulas and other special formatting are rendered correctly.
• Files uploaded as TeX/LaTeX Supplementary Files will not be viewable as individual files in the HTML proof and will not be rendered independently of the entire TeX/LaTeX document. Therefore, images and other content will show up in the PDF proof at the location specified in the TeX/LaTeX document. In addition, captions for images displayed within a TeX/LaTeX proof must be created in the TeX/LaTeX document, since image proofs cannot be created separately.

Summary of policy on the use of S.I. units

Reference: Canadian Metric Practice Guide, CAN3-Z234.1-89, Canadian Standards Association, 178 Rexdale Blvd., Rexdale, ON, Canada  M9W IR3

Preferred practice is to use the base units (m, s, kg, mol, K, A, cd) and their derived units (N, Pa, J, W, V, rad, sr, etc.) in the nomenclature and in all equations. Data, however, may be reported in suitable multiples of these units provided the units are clearly stated.

The first listed is the base unit; the others are commonly used multiples. Accepted deviations listed in brackets.

Amount of substancemol ( not g-mole), kmol ( not kg-mole), mmol
Anglerad, [degree (°), minute ('), second (")]
Angular velocityrad/s
Aream 2 , cm 2 , mm 2
Densitykg/m 3 , g/L
Energy, workJ, kJ, MJ
Frequencys -1 or Hz, kHz, MHz, etc.
ForceN, kN, mN
Heat capacityJ/K, kJ/K
Heat transfer coefficientW/m 2 •K
Lengthm, cm, mm, µm
Masskg, g, mg, µg, t (tonne)
Molalitymol/kg, mmol/g
Molar concentrationmol/m 3 , kmol/m 3 , mol/L
Molar massg/mol, kg/kmol, [Da = Dalton]
PowerW, mW, kW, MW
Pressure, stressPa, kPa, MPa
Quantity of heat, enthalpyJ, kJ, MJ
Specific heat capacity, entropyJ/kg•K, kJ/kg•K
TemperatureK, [°C]
Thermal conductivityW/m•K
Times [minute (min), hour (h), day (d), year (a)]
Velocitym/s, cm/s, mm/s
Viscosity, dynamicPa•s, (kg/m•s), mPa•s
Viscosity, kinematicm 2 /s, mm 2 /s
Volumem 3 , dm 3 (=L), cm 3

(a) Rules for writing S.I. units
(i) Lower case letters are used throughout except:

  • for the first letter of the abbreviation of a unit named after a person (A for amperes, K for kelvin, Pa for pascals);
  • for the prefixes larger than "kilo," namely, M, G, T, P, E.;
  • for the abbreviation of litre, namely L, to avoid confusion of the lower case (l) with unity;
  • when writing out "degrees Celcius."
(ii) No full stop is used except at the end of a sentence.

(iii) A space is left between the numerical values and the first letter ofthe units, if any. This includes percentage and degree Celsius

(iv) Units should be used with all numbers, but the unit is spelled outwhen no number is involved ("3 h" but "a few hours").

(v) Where different usages of an S.I. unit exist, the precise meaning can be specified in the text or in parentheses after the unit. Thus:100mV(dc),15 kPa(gauge), 1000 m3 (STP), but not 15kPag,1000stdm3.

(b) Rules for writing numbers

(i) The decimal marker should be the points not the comma.

(ii) Write long numbers (>4 digits left and/or right of the decimal point) in groups of three separated by a space, not a comma, beginning from the decimal point. Decimal points in table columns should be vertically aligned.

(iii) The dot must not be used for multiplication of numbers. The cross (×) should be used where absolutely necessary.

(c) S.I. units and their multiples

(i) If possible, use numbers between 0.1 and 1000 with the appropriate multiple in reporting data. Thus 3.1 × 10 -8 s = 31 ns. Exception is in a table or figure where the same unit should be used for comparison.

(ii) Do not use powers of 10 attached to the units or variable symbols in tables and figures. Thus D, (cm 2 /s) × 10 2 probably means D, mm 2 /s, but confusion can arise.

(iii) In the nomenclature, list the base units of the variables. Thus, use r - density, kg/m3, even if other multiples are used in reporting data.

(iv) Do not mix units where avoidable. Thus power consumption per unit volume flow rate should be W·s/m 3 = J/m 3 , not W·min/m 3 .

(v) At most, one prefix should be used and preferably on a symbol in the numerator (except kg which is a base unit). Thus, V/mm should be kV/m; kJ/g should be MJ/kg.

(d) Multiplication and division of units

(i) The product of two units should be indicated by a dot ·. Thus m·N = metre newton, mN = millinewton, m·s -1 = metre per second, ms -1 = per millisecond.

(ii) Division should be shown using one solidus (/). Thus W/m 2 ·K, but not W/m 2 /K.

(iii) A hyphen may be inserted when using a value as an adjective. Thus: 2-h test; 35-mm film.

5. Not permitted in S.I.

LengthAngstrom (Å), micron (µ)
Forcedyne, kilogram force (kgf)
Pressureatm, bar, torr
Energycalorie, erg, eV
Concentrationnormality (N), molarity (M) (instead use kmol/m 3 or mol/L)
Viscositypoise, stokes
Molecular weightwt% or wt. % (instead use molar mass: kg/kmol or g/mol)