Journal profile · Engineering, Chemical

Theoretical Foundations of Chemical Engineering

ISSN 0040-5795 · eISSN 1608-3431 · Pleiades Publishing · RUSSIA · Bimonthly · Founded 2000

Theoretical Foundations of Chemical Engineering: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 0.36; subscription journal; median 56 days to acceptance (57 articles, last 24 months); community-reported acceptance: easy; 309 articles in 2025; indexed in SCIE and Scopus.

Impact factor0.36Latest value listed by LetPub
CAS zoneZone 4 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Engineering
Review time56 daysMedian, submission to acceptance · 57 articles, last 24 months · Crossref
APC—No source gives fee information
AcceptanceEasyCommunity average
Articles per year3092025 · OpenAlex count

Scope

Aims, scope and focus

Theoretical Foundations of Chemical Engineering is published by Pleiades Publishing and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Process Optimization and Integration, Field-Flow Fractionation Techniques and Extraction and Separation Processes, together about 25.6% of its articles. Its main subfields are Mechanical Engineering. (generated from OpenAlex topic counts and CAS ranking data)

Theoretical Foundations of Chemical Engineering is a peer-reviewed journal that covers all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies. The journal welcomes manuscripts from all countries. The journal publishes original manuscripts submitted in English, as well as works translated from several other journals. The sources of content are indicated at the article level. The peer review policy of the journal is independent of the manuscript source, ensuring a fair and unbiased evaluation process for all submissions. As part of its aim to become an international publication, the journal welcomes submissions in English from all countries.

From the journal's Aims & Scope

Research area (LetPub): Engineering, Chemical

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Process Optimization and IntegrationEngineering10.6%
  2. Field-Flow Fractionation TechniquesEngineering7.9%
  3. Extraction and Separation ProcessesEngineering7.1%
  4. Phase Equilibria and ThermodynamicsEngineering5.5%
  5. Advanced Control Systems OptimizationEngineering4.6%
  6. Cyclone Separators and Fluid DynamicsEngineering4.3%
  7. Catalysis and Oxidation ReactionsChemical Engineering4.3%
  8. Mining and Gasification TechnologiesEngineering4.2%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, ChemicalZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, ChemicalZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, ChemicalZone 4

Top journal: noReview journal: no

Database indexing

SCIEScopusLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

EI CompendexCASCurrent ContentsPublisher website

Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS, Semantic Scholar

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

Impact factor
0.36LetPub ·
Impact factor (publisher) 2025
0.4Publisher website ·
5-year impact factor (publisher) 2025
0.4Publisher website ·
CiteScore 2026-06
0.8LetPub ·
SJR 2026-06
0.2LetPub ·
SNIP 2026-06
0.38LetPub ·
h-index
19LetPub ·
h-index
35OpenAlex ·
i10-index
490OpenAlex ·
2-year mean citedness
0.38OpenAlex ·
Self-citation rate
25%LetPub ·
Share of gold OA articles
0%LetPub ·

Volume

Articles per year
187LetPub ·
Downloads per year (publisher) 2025
49,100Publisher website ·

Articles by year OpenAlex count · 3,691 in total · the current year is incomplete

YearArticlesOpen accessCitations
20263100
2025309247
20242783188
20232021318
20221413480
20211430550

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Review & acceptance

Review time and acceptance

Review time from article dates manuscript dates registered with Crossref · to

56 daysMedian, submission to acceptance · P25–P75 22 days – 111 days

Acceptance to online
median 358 days (57 articles)
Submission to online
median 419 days
Sample
57 articles with submission and acceptance dates (335 in the window); the latest was accepted on

Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".

Other sources

Average review time (community reports)
6–12 weeksLetPub ·
Average acceptance (community reports)
EasyLetPub ·
Submission to first decision
37 daysPublisher website ·
Peer review
Single anonymous peer review, Double anonymous peer reviewPublisher website

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Subscription journalLetPub

A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.

No source has fee information yet; check the journal's website.

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

What to prepare4 items from the author guidelines
Abstract
150–250 words
Keywords
≥ 4
Reference style
Numbered, in order of citation
Suggested reviewers
Optional
Publisher website · model-extracted, each line checked against the text
Article types accepted1
  1. editorialSingle-blind peer review This journal follows a single-blind reviewing procedure. Editorial policy The journal follows the Springer Nature Peer Review Policy, P…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Publication ethics, License & copyright, Open access, Plagiarism, Trial registration / reporting guidelines
Authorship Authorship principles

These guidelines describe authorship principles and good authorship practices to which prospective authors should adhere to. Authorship clarified The Journal and Publisher assume all authors agreed with the content and that all gave explicit consent to submit and that they obtained consent from the responsible authorities at the institute/organization where the work has been carried out, before th…

Source ↗Publisher website ·
Conflicts of interest Disclosures and declarations

All authors are requested to include information regarding sources of funding, financial or non-financial interests, study-specific approval by the appropriate ethics committee for research involving humans and/or animals, informed consent if the research involved human participants, and a statement on welfare of animals if the research involved animals (as appropriate). The decision whether such …

Source ↗Publisher website ·
Publication ethics Compliance with Ethical Standards

To ensure objectivity and transparency in research and to ensure that accepted principles of ethical and professional conduct have been followed, authors should include information regarding sources of funding, potential conflicts of interest (financial or non-financial), informed consent if the research involved human participants, and a statement on welfare of animals if the research involved an…

Source ↗Publisher website ·
License & copyright Copyright transfer agreement

A completed copyright transfer agreement (in Russian or English) should be submitted together with the manuscript through the Editorial Publishing System or via e-mail, if a journal is not registered in this system. Back to top

Source ↗Publisher website ·
Open access Open access publishing

Authors will have the option to choose how their article is published. Subscription publishing model - Published articles are made available to institutions and individuals who subscribe to Theoretical Foundations of Chemical Engineering or who pay to read specific articles. If you would be interested in publishing open access in this journal please contact the Open Research Support Team ORSupport…

Source ↗Publisher website ·
Plagiarism Important note: the journal may use software to screen for plagiarism.

Authors should make sure they have permissions for the use of software, questionnaires/(web) surveys and scales in their studies (if appropriate).Research articles and non-research articles (e.g. Opinion, Review, and Commentary articles) must cite appropriate and relevant literature in support of the claims made. Excessive and inappropriate self-citation or coordinated efforts among several author…

Source ↗Publisher website ·
Trial registration / reporting guidelines Clinical Trial Registration

The World Health Organization (WHO) definition of a clinical trial is “any research study that prospectively assigns human participants or groups of humans to one or more health-related interventions to evaluate the effects on health outcomes“. The WHO defines health interventions as “A health intervention is an act performed for, with or on behalf of a person or population whose purpose is to ass…

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
Pleiades Publishing
Country or region
RUSSIA
Language
English
Frequency
Bimonthly
Founded
2000
ISSN
0040-5795
Electronic ISSN
1608-3431
Latest issue on the website
Volume 60, Issue 1 (February 2026)
Official links

FAQ

Frequently asked questions about Theoretical Foundations of Chemical Engineering

What CAS zone is Theoretical Foundations of Chemical Engineering in?

In the 2025 upgraded edition of the CAS Journal Ranking, Theoretical Foundations of Chemical Engineering is in Zone 4 of Engineering, and in Zone 4 of the minor category Engineering, Chemical. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Theoretical Foundations of Chemical Engineering?

The latest impact factor listed by LetPub is 0.36; CiteScore 0.8, h-index 35.

How long does peer review take at Theoretical Foundations of Chemical Engineering?

Based on the dates recorded on 57 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 56 days (interquartile range 22–111 days); authors report an average review time of 6–12 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

What are the manuscript requirements of Theoretical Foundations of Chemical Engineering?

According to the journal's author guidelines: Abstract: 150–250 words; Keywords: ≥ 4; Reference style: Numbered, in order of citation; Suggested reviewers: Optional. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.

Which databases index Theoretical Foundations of Chemical Engineering?

According to LetPub and DOAJ records, Theoretical Foundations of Chemical Engineering is indexed in SCIE and Scopus. The journal's website also lists EI Compendex, CAS and Current Contents; that list has not been checked against each database.

Is Theoretical Foundations of Chemical Engineering open access, and what is the APC?

Theoretical Foundations of Chemical Engineering is a subscription journal. Fee information is not available yet; check the journal's website.

Sources and updates

The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .