The Canadian Journal of Chemical Engineering

Cover image for Vol. 92 Issue 5

Edited By: João B.P. Soares

Impact Factor: 1.003

ISI Journal Citation Reports © Ranking: 2012: 72/133 (Engineering Chemical)

Online ISSN: 1939-019X


Author Guidelines


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Author Guidelines


Types of publications

The Canadian Journal of Chemical Engineering (CJChE) 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) Review article – these normally are invited. Authors wishing to submit a critical review should consult the editor, in advance.

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

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

(d) Letters – are of 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 CJChE . Normally, these will be sent to the authors of the prior publication for their response before publication.

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. Review articles, articles and notes 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 for typographical errors.
(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) Abstract: The abstract is to indicate in not more than 250 words the scope and principal findings of the work (abstracts are not required for letters). Following the abstract, provide a maximum of five keywords or key-phrases that accurately described the topic of the paper (these will be used for subject indexing). The maximum number of words for key-phrases is five; maximum total number of words = 10. Example: combustion, coal combustion, fluidized bed coal combustion, gas fluidization.
(d) Main body of manuscript: Appropriate use of headings and subheadings should be made in the main body. The main headings should appear larger in type size than the subheadings.
All references, tables and figures should be referred to in the text. Written descriptions as opposed to interpretation of figures should be minimized.

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. 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.

(e) Nomenclature: A list, in alphabetical/numerical order, of all symbols used in the paper (including 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 S.I. units (kg, m, s, N, etc.) are to be provided for all listed symbols. The Canadian Metric Practice Guide (CAS/CSA-Z234.1-89) is followed, and is available from the Canadian Standards Association, 178 Rexdale Blvd., Rexdale, Ontario M9W 1R3. A summary of this practice for S.I. units is published occasionally in the CJChE.
(f) References: References to literature must be numbered consecutively in the text and typed in square brackets as superscripts after any punctuation, e.g., ... as shown by Huglin.[6]
References to more obscure journals and patents should be complemented by citation of the Chemical Abstracts reference.

Journals: [6] [6a] H. R. Kricheldorf, A. Stricker, Macromol. Chem. Phys. 1999, 200, 1726; [6b] H. Yoshioka,
N. Koide, F. Higashide, Kobunshi Ronbunshu 1974, 31, 25; Chem. Abstr. 1975, 82, 32269 d.

Books: [23] G. Wegner, K. Müllen, Electronic Materials: The Oligomer Approach, 1st edition, Wiley-
VCH, Weinheim 1998, p. 189.

Compilations: [26] R. E. Bareiss, “Polymolecularity Correction Factors”, in Polymer Handbook, 3rd edition,
J. Brandrup, E. H. Immergut, Eds., J. Wiley & Sons, New York 1989, p. VII/149 ff.

Patents: Country code (for abbreviations: see “CASSI”), number, registration year (in parentheses), holder,
inventor(s); Chem. Abstr. reference:
[36] Ger. 838217 (1952), Farbenfabriken Bayer AG, invs.: W. Lehmann, H. Rinke; Chem. Abstr.
1957
, 51, 14362 i.

(g) Tables: Tables are to be numbered in Arabic numerals and have abrief descriptive title at the top of each table.Column headings should bebrief and must include the units of the item(s) listed.
(h) Figures: Figures should not duplicate results given in tables.All figures should be numbered in Arabic numerals. 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/photographs in one of the following formats: .tif, .eps, or .jpg, at a minimum of 3.5 inches wide and 300 dpi. Please note that we can't print your manuscript without clear image files.
Color illustrations. All color figures will be reproduced in full color in the online edition of the journal at no cost to authors. Authors are requested to pay the cost of reproducing color figures in print. Authors are encouraged to submit color illustrations that highlight the text and convey essential scientific information. For best reproduction, bright, clear colors should be used. Dark colors against a dark background do not reproduce well; please place your color images against a white background wherever possible.

(i) 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

(a) To submit your manuscript online, please:

i. Point your browser to http://mc.manuscriptcentral.com/cjce .

ii. Please note that Scholar One Manuscripts 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. Text and tables should be saved as Word or.rtf. Other file types are not suitable for production purposes.

iii. If you have not already done so, create an account for yourself in the system at the submission site, http://mc.manuscriptcentral.com/cjce by clicking on the "Create an Account" button. To monitor the progress of your manuscript throughout the review process, just login periodically and check your Author Center.

iv. 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 support@scholarone.com .

(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
E-mail: jsoares@ualberta.ca

(c) Authors are encouraged to suggest names (plus 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.
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

1. Rules for writing S.I. units
(a) 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."
(b) No full stop is used except at the end of a sentence.

(c) A space is left between the numerical values and the first letter ofthe units, if any. Thus 35°C, but 2 m/s.

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

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

2. Rules for writing numbers

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

(b) 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.

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


3. S.I. units and their multiples

(a) 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.

(b) 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.

(c) 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.

(d) 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 .

(e) 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.


4. Multiplication and division of units

(a) 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.

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

(c) 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); use kmol/m 3 or mol/L
Viscositypoise, stokes
Molecular weightUse molar mass, kg/kmol or g/mol

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