Guide for Authors(Revised Jan 1, 2024)

1.

Subject Matter of Article and Standard Language
Journal of the Japan Petroleum Institute publishes articles on petroleum exploration, petroleum
refining, petrochemicals and relevant subjects (such as natural gas, coal and so on). Papers published in this journal arealso put out as the electronic journal editions on the web.
Topics may range from fundamentals to applications. The latter may deal with a variety of subjects, such as: case stud­
ies in the development of oil fields, design and operational data of industrial processes, performances of commercial prod­
ucts and others.
As a general rule, articles should be based on original results and should not have been published elsewhere (except
author’s own patent disclosures).
Standard language must be either English or Japanese.
Acceptance of an article for publication will be decided by the Editorial Committee of Journal of the Japan Petroleum
Institute (hereinafter referred to as “the Committee”).
2. Types of Contributions
Types of contributions are as follows. In case the author wants to change the type of contributions, the same procedure
for the new type of contributions is required after withdrawing the contributed paper.
(1) Review Papers
Papers that summarize and systematize the results previously reported by the author concerning a specific topic.
Unpublished new results may be included. Review papers are generally written by invitation from the Committee.
(2) Regular Papers
Papers that have never been published before, containing a worthy conclusion and facts, which are based on attain­
ments of organized research. Every published paper as Regular Papers in the journal is nominated for the selection for“JPI Award for Distinguished Papers” (JPI Award Statute, Art. 6).
(3) Research Notes
Papers that have never been published before, containing new facts and worthy data even which are based on attain­
ments of part of research.
(4) Letters
Short paper containing new facts or methodologies for which rapid publication will be beneficial to other researchers.
(5) Technical Reports
Articles compile results of original experimental data from technical studies in specific areas. The format of the arti­
cle may be unstructured.
(6) Committee Announcements and Reports
Articles reporting results of studies conducted by a Divisional Committee of the Institute.
(7) Reader’s Comments
Critical review or comments on articles published in this journal or on problems related to published articles.
3.

Qualification of the Author
Manuscripts are accepted from both members and non­members of The Japan Petroleum Institute. However, the page
charges, which must be paid by the author after acceptance for publication, are different for members and non­members(see Appendix Table 1).
4.

From Submitting to Publication(1) Submit manuscripts: Manuscripts are submitted to the online submission site at the URL address below.
https://www.editorialmanager.com/jjpi/
Authors may choose to submit a manuscript PDF file or allow the system to generate a PDF file automatically.
MS­Word, WordPerfect, LaTeX, RTF, TIFF, GIF, JPEG, EPS, PICT, PDF, MS­Excel, or MS­PowerPoint file can beused for automatic generation of a PDF file. Information about manuscripts, such as co­authors, titles, abstracts andkeywords, are needed to be input when authors submit manuscripts on the web. Therefore, prepare the text data file
to input as well as the manuscripts file before accessing the submission site. First­time users of the site should
create user account on the submission site. If authors need some help with online submissions, contact the Editorial
Committee.
Editorial Committee of Journal of the Jpn. Petrol. Inst.
The Japan Petroleum InstituteE­mail: journal@sekiyu­gakkai.or.jp(2) Format of manuscript differs for types of articles grouped in a), and Letters b), as follows:   a)   Review Papers, Regular Papers, Research Notes, Technical Reports, Committee Announcements and Reports,
Reader’s Comments.
b)   Letters   Further, it is different from manuscripts written in Japanese and those in English (for details, please see Section 5.
Composition and Length of Manuscripts).
Manuscripts which do not meet format requirements will not be（i）received.
(3) The “date received” will be the date when the Committee Office begins the administrative procedures for acceptance.
(4)   The Committee will review the manuscript submitted. Revisions will be requested of the author as necessary, after
which acceptability will be decided.
For each revision of the manuscript, the original is revised by theauthor. Authors should send the revised manuscript with “Responce paper (letter)” for reviewers’ comments to theCommittee.
For the revised manuscripts, show corrections with red font or show the list of corrections on theattached paper. When the manuscript is returned to the author from the Committee for revision, the author should
respond within two months, in case of Review Papers, Regular Papers, Research Notes, Technical Reports,
Committee Announcements and Reports and Reader’s Comments, and within two weeks in case of Letters.
Otherwise, the manuscript will be regarded as withdrawn by the author.
The Committee’s decision of acceptance will be notified to the author. The author must pay the page charges (seeAppendix Table 1) after receiving the letter of acceptance. However, page charges are not necessary for “Review
Papers,” “Committee Announcements and Reports,” and “Reader’s Comments.”(5)   Proofreading by the author is made on the first or second proof. Revision of the contents at the time of proof­
reading is usually not permitted.
(6) Reprints can be supplied according to the list of charges (see Appendix Table 2). Authors who wish to order
reprints should send the order form to the Committee.
(7)   Correction after publication will be made only upon request by the author. Corrections other than those of mis­prints require approval of the Committee.
(8) Published articles including their electronic versions or other media shall become the exclusive right of The Japan
Petroleum Institute (JPI) and may not be reproduced elsewhere without JPIʼs permission.
It requires at least 2
months or more to put the published papers on a list of the repository of the academic institutions where authors
belong. The listing is only accepted as a PDF file format for the printed edition.
5.

Composition and Length of Manuscripts
Manuscripts are composed of Title Page, Abstract in Japanese and English, Keywords, Text, References, Tables, Figures,and Graphical Abstract. In the case of a Letter, in addition to the foregoing, a separate sheet describing the “Reason for
Rapid Publication” within 500 Japanese letters or 300 English words must be attached to the manuscript. In case of
Reader’s Comments, Abstract, Keywords and Graphical Abstract are not required.
Prepare the manuscript with the designated template. The template (MS-Word file) is available for downloading fromthe previous URL address. If authors do not use the template, authors should make their manuscripts by the following
procedure.
a) ­For Review Papers, Regular Papers, Research Notes, Technical Reports, Committee Announcements and Reports,
and Reader’s Comments   Prepare the manuscript with a word processor or a personal computer and so on.
   Manuscripts should comply with the following instructions.
1. Use Size A4 paper.
2. As a general rule, the size of letter should be 12 points both in Japanese and in English.
3. The text is assumed to be 10 to 15 words per line and 40 lines per page. About 2 English manuscript pages
approximately correspond to one printed journal page.
4. Page numbers should be given at the lower margin of the manuscript. It is desirable to put the line number oneach page of the manuscript.
b) For Letters   As Letters printed in the Size A4 papers are photoengraved, the manuscript must be printed at proper line intervals
using 10 to 11 point or equivalent type face in both Japanese and English.
Standard format for Letters is shown in Appendix Fig. 1. Note wide margin above the start line of the first page.
Generally, an article should not exceed 10 printed pages of the journal for Review Papers, 6 pages for Regular Papers, 4pages for Research Notes and Technical Reports, one page for Reader’s Comments, and 2 or 4 pages of photostats for
Letters. In addition to the space for the text estimated as above, space for figures and tables should also be considered.
6. Title Page
The following items should be included, except the case of Letters in which similar items will be shown on the first
page, in compliance with foregoing instructions.
(1)   Type of article: Review Papers, Regular Papers, Research Notes, Technical Reports, Committee Announcements
and Reports, and Reader’s Comments.
(2)   Title (in Japanese and English): It should be brief and specific. Such as “Studies on…” should be avoided. As
a general rule, abbreviations are not used.
(3)   Name of Authors (Roman letters): In case of co-authorship, and when each author belongs to different organiza­
tion, the name of the author should be numbered,†1), † 2)…. Then, “Organization” in (4) below should be prefixedwith a number corresponding to the above.
(4)   Organization and Address where Research was Conducted (in Japanese and English): The zip code and the posting
address are recorded, following the name and the department of organization. In case the author belongs to a differ­（ii）ent organization at present, the “Present address” should be shown in addition to the above.
(5)   Name, E-mail Address, and Posting Address of Person-in-charge: Inquiries will be forwarded to the person-incharge examining the papers and after the printing. Further, the e-mail address of the person-in-charge will be print­
ed at the lower left of the first page of the printed journal. If the author does not want an e-mail address printed, thisshould be stated when submitting a paper.
(6)   Remarks: (a) If an article is one of a series, a list of previous publications and a schedule of future studies should
be given. (b) If an article has been presented orally, the name and the date of its presentation should be shown.
7. Abstract
An Abstract is a brief and specific summary of purpose, methods and results. Both Japanese and English versions of
the manuscript should be submitted. The length should be approximately 300-400 letters for the Japanese version and150-200 words for the English version. No references to figures and tables are allowed in the abstract. Foreign authors
are not required to submit an abstract in Japanese.
8.

Keywords
Select keywords according to the following criteria and list them after “Abstract.”(1)   Keywords should be in English.
(2)   Keywords should well express the content of the text, for example: a) name of catalyst, b) name of reaction, c)
raw material, d) product and its characteristics, and e) purpose of research. These should be viewed in depth, andselect up to six (6) keywords.
(3) Selection of keywords should comply with “Rules for Selecting of Keywords,” which is shown below.
(4) Keywords should be selected by the author.
(5) Keywords may be changed by the judgement of the Committee.
[Rules for Selecting of Keywords](1)   One set of keywords should consist of no more than three (3) words.
(2)   Keywords should be singular. Use of prepositions and sentences should be avoided.
(3)   Element symbol and chemical formula should not be used.
(4)   Catalyst should be expressed as shown below.
i )   Term “catalyst” should be prefixed with the name of the compound, as a general rule.
ex) Alumina catalyst, Zeolite catalystii )   Metallic catalyst should be expressed by the name of the metal.
ex) Palladium catalyst, Nickel catalystiii)   Non-metallic catalyst (such as oxide catalyst) should be expressed by the name of compound, as a general rule.
ex) Vanadium oxide catalyst, Bismuth molybdate catalystiv)   In case the carrier is of significance, the term “support” is prefixed to the carrier and expressed separatelyfrom the name of the compound.
ex) Titanium oxide support, Zeolite supportv )   Complex and mixed metal or oxide catalyst is expressed together with the element of central importance.
ex) Cobalt molybdenum catalyst, Platinum rhodium catalyst(5)   Parentheses and hyphens are not used in keywords, except the name of compounds and common terms.
(6)   Commodity names, generally, are not used as keywords.

9. Text(1)   The text should be organized briefly and not include redundant descriptions of items which are well known inrespective dedicated field of research and development.
(2)   Technical terms and name of chemical compounds should be used according to the IUPAC rule.
Use the SI
units, as a general rule. Using any unit other than SI units is occasionally accepted by appending the conversion
table to the text end.
(3)   Style of the text is not specified. Foreword (Introduction) and Closing (Conclusion), however, should be clari­fied. For example, arrangement may be in the following order: Foreword, Theory, Experiment, Results, Discussions
Closing, (Acknowledgment), (Appendix), and (Nomenclatures). Research Notes, Letters and Reader’s Comments
should be prepared briefly and specifically, disregarding the foregoing arrangement and order.
(4)   Headings of sections should be clearly designated by the point system: for example, 1.…, 1. 1.…, 1. 1. 1.…, etc.
Further subdivisions are designated by (a), (b), … or (1), (2), … etc.
(5)   When a footnote is required, it is indicated with an asterisk and numeral before the period of the sentence, at raised
position, thus: …＊1), …＊2). Footnotes should be given at the lower margin of the manuscript page apart from thetext, prefixed with corresponding asterisk and numeral.
(6)   Indentation of each new paragraph is three characters.
(7)   When referring to figures and tables in the manuscript, express specifically as, Fig. 1, Figs. 1 and 2; Table 1, Tables
1 and 2; etc.
a a+b(8)   Independent equations should be written as: b , c+d . Equations within the text should be written: a/b, (a +b)/(c + d).

Equations should be numbered consecutively, at the right side, as: (1), (2), (3), ….
（iii）

When referring tothe equations in the text, they are referred to as: Eq. (1), Eqs. (1) and (2) ….
10. Appendix and Nomenclatures(1)  Any information which may cause interruption in the text or inconvenience in the organization of the paper, if
included in the body of the text, and yet too bulky to be mentioned in the footnotes, will form the Appendix which
will be placed before “References.” In case “Appendix” is to be established, this should be duly indicated at the rel­evant location in the text.
		 Figures, tables, and equations appearing in the Appendix should be numbered separately from those in the text.
For example: Eq. (A-1), Table A-1, Fig. A-1, etc.
(2)   Nomenclatures should be described in English at the end of the text, arranged in alphabetical order and followedby the definition and the unit. They should be brought together in order of Greeks, Subscripts and Superscripts, if nec­
essary.
11. References(1)   References in the text should be superscribed with Arabic numerals before the period, such as 1),2), consecutively.
References are listed consecutively at the end of the text, in the order cited in the text.
(2)   As a general rule, references should be written in English. In case of books written in Japanese, authors should
describe the reference both in Japanese and in English.
(3)   Author’s surname is shown first, followed by initials of first and middle names. Surname and initials are separat­ed by a comma. Co-authors’ names are separated by commas, while conjunction “and” will not be used.
(4)   Abbreviation of names of journals should be in compliance with “Chemical Abstracts.” Journals which do nothave formal abbreviation in English should be spelled out in Roman alphabet. This journal should be referred to as
J. Jpn. Petrol. Inst. However, issues published before 2002 Vol. 45 No. 1, should be referred to as Sekiyu Gakkaishi(J. Jpn. Petrol. Inst.).
(5)   Names of journals should be printed in italic or underlined with a straight line (_ ); volume numbers should beprinted in bold or underlined with a wavy line (); issue numbers and years of publication should be enclosed withparentheses. References to books are given by enclosing the title with quotation marks, and year of publication withparentheses.
(6) For different reference numbers, even in case the numbers refer to the very same reference material, the name of
the reference material should be repeated instead of indicating ibid.
One reference number corresponds to one
reference material, that is, it does not correspond to plural reference materials at one time.
[Examples]
1) Kolesar Jr., E. S., Wiseman, J. M., Anal. Chem., 61, 2235 (1989).
2) Arslambekov, V. A., Izv. Akad. Nauk Gruz. SSSR, Ser. Khim., 14, (4), 307 (1988).
3) Uehara, K., Taketomi, Y., Kunugi, T., Sekiyu Gakkaishi (J. Jpn. Petrol. Inst.), 22, (4), 203 (1979).
4a) Evans, W. J., Bloom, I., J. Am. Chem. Soc., 107, (2), 405 (1985).
4b) Evans, W. J., Bloom, I., J. Am. Chem. Soc., 107, (4), 941 (1985).
4c) Evans, W. J., Bloom, I., J. Catal., 84, (2), 68 (1983).
5) Tsuda, K., Suezawa, Y., Kagaku Kogaku Ronbunshu, 1, 213 (1975).
6)	Runge, W., “Progress in Physical Organic Chemistry,” ed. by Taft, R. W., Vol.13, John Wiley & Sons, Inc., New York(1981), pp. 315-484.
7) Evans, E. A., “Tritium and Its Compounds,” Butterworth & Co., London (1966), p. 122.
8) Chester, A. W., Chu, Y. F., U. S. Pat. 4350835 (1982).
9) Satoh, Y., Nagai, K., Maeda, Y., Jpn. Kokai Tokkyo Koho JP 03-151339 (1991).
10)	Idemitsu Kosan Co., Ltd., NSK Ltd., Jpn. Kokai Tokkyo Koho JP 2000-109870 (2000).
11)	Goodman, P. W., 43rd National Meeting of the Chemical Society of Japan, Tokyo, March 1981, Abstr., No. 2K25.
12) Suzuki, I., D. Thesis, The University of Tokyo, Tokyo, Japan, 1995.
13) Tokuhisa, H., Ind. Eng. Chem. Res., in press (IE-890978-0).
14) Kuwata, T., submitted for publication in Angew. Chem.
15) Tanaka, Y., personal communication.
16) Agency for Natural Resources and Energy, METI, “The 6th Strategic Energy Plan (outline),” https://www.enecho.
meti.go.jp/en/category/others/basic_plan/pdf/6th_outline.pdf, (data accessed Nov. 21, 2023).
12. Tables
Tables and figures are necessary to promote ease of understanding of readers.
It is desirable to avoid duplicationand to select those having clear-cut substance.
(1)   All captions to tables and contents should be written in English and printed out on Size A4 paper one (1) table on
one sheet of paper.
(2)   Title of tables should be shown at the upper side of the table, while footnotes should be shown at the bottom sideof the table. The name of the author should be shown at the right hand bottom corner of each sheet.
13. Figures and Photographs(1)   All captions to figures should be written in English, and compiled list should be printed on a separate sheet under
the heading of “Captions to Figures.” Further, the number of the figure, and name of the author should be shown at（iv）

the right hand bottom corner of each original figure.
(2)   Figures, as a general rule, should be printed out on Size A4 paper one (1) figure on one sheet of paper. Cautionthat figures of clear contrast will be used, and clearly printed ones will be submitted.
(3)   Terms and words should be in English. With the special exceptions, Roman letters should be used. Figures will
be printed at reduced scale of 1/2-2/5 in the journal, which will be selected on the basis of the size of the drawing.
(4) Caution that there will be no revision nor addition to figures at the time of proofreading (Further amendment after
the proofreading is only accepted at the authorʼs expense.).
(5) Photographs are treated the same as figures. The quotation in the text is assumed to be Figure (or Fig.).
14. Graphical Abstract(1) Authors of “Review Papers,” “Regular Papers,” “Research Notes,” “Technical Reports,” “Committee Announcements
and Reports,” and “Letters” must provide a ‘Graphical Abstract’ to summarize the contents of the article in a concise,pictorial form designed to capture the attention of readers.
(2) Graphical abstracts will appear on the ‘Contents’ page together with the title and names of authors. Graphicalabstracts will also be printed in the Society’s official publication, PETROTECH.
(3) Graphical abstracts may consist of chemical structures, chemical reaction schemes, or short descriptive text.
Images used in the article may also be provided.
(4) The image should be readable at a size of 45 mm×65 mm (h × w). Images should be provided in color as a
general rule. Graphical abstracts will be published in color in the on­line journal. However, the contents page will
be printed in black­and­white, so the color combination and contrast within images, and the use of color and patterns
in figures should be carefully considered.
(5) Preferred file types: TIFF, GIF, JPEG, EPS, PICT, PDF, or MS Office files.
(6) The Committee selects a graphical abstract to appear as the cover illustration from the articles published in eachissue.
Appendix Table 1

Page Charges for the J. Jpn. Petrol. Inst.

Printed pages

Page charge for members

Printed pages

Page charge for members

2 pages

3,960 JPY(‘Letters’ 2,970 JPY)
5,940 JPY
7,920 JPY(‘Letters’ 5,940 JPY)
9,900 JPY
11,880 JPY
15,400 JPY

8 pages

17,600 JPY

9 pages
10 pages

19,800 JPY
22,000 JPY

11 pages
12 pages
13 pages

26,620 JPY
29,040 JPY
31,460 JPY

3 pages
4 pages
5 pages
6 pages
7 pages

Above prices include 10 % consumption tax. If al authors reside overseas, the consumption tax
will be deducted from the above prices.
＊
Add 5,500 JPY to all charges if no author is a personal member of the JPI.
＊
No page charges are necessary for “Review Papers,” “Committee Announcements andReports,” and Reader’s Comments.”

Appendix Table 2

Price List for Reprints from the J. Jpn. Petrol. Inst.

Printed pages

2 pages3­4 pages

5­6 pages

7­8 pages

Reprint cost per 20 copies

3,080 JPY

3,520 JPY

3,960 JPY

4,400 JPY

Printed pages

9­10 pages

11­12 pages

13­14 pages

15­16 pages

Reprint cost per 20 copies

4,950 JPY

5,500 JPY

6,050 JPY

6,600 JPY

Above prices include 10 % consumption tax. If al authors reside overseas, the consumption tax
will be deducted from the above prices.
＊
Each price means black­and­white reprints cost.
＊
These prices do not include shipping costs.
＊
Reprints must be ordered in multiples of 20 copies.

（v）

3 cm
3.5 cmStart line herefor 2nd page

2 cm
Title

14-point line space

Start line herefor 1st page

Author’s name(s)Organization and location
24-point line space
14.5 cm

0.5cm

Abstract (Not more than 5 lines)

14-point line space
Keywords
14-point line space

Text

Text

23.5 cm(in case of Japanese author(s))“Title” (in Japanese)
Author’s name(s) (in Japanese)
Organization and location (in Japanese)* Corresponding author, E-mail:16.5 cm
3 cm

21 cm

Appendix Fig. 1 Standard Format for “Letters”
Use Size A4 paper (21 cm (w) × 29.5 cm (h)). Typing space: 16.5 cm (w) × 23.5 cm (h).

（vi）

29.5 cm