Journal profile · Chemical Engineering-Bioengineering
Processes
ISSN 2227-9717 · MDPI (Basel, Switzerland) · Switzerland · Founded 2013
Processes: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 3.39; fully open access; APC about USD 2,896; review about 11 weeks (community reports); 4,163 articles in 2025; indexed in SCIE and Scopus; flagged on an early-warning list or for an indexing change: check before submitting.
Scope
Aims, scope and focus
Processes is published by MDPI (Basel, Switzerland) 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 Hydraulic Fracturing and Reservoir Analysis, Hydrocarbon exploration and reservoir analysis and Drilling and Well Engineering, together about 25.6% of its articles. Its main subfields are Ocean Engineering. (generated from OpenAlex topic counts and CAS ranking data)
Chemical Processes and Systems:experimental, theoretical and computational research on process development and engineering; chemical and biochemical reaction processes; mass transfer, separation and purification processes; mixing, fluid processing and heat transfer systems Environmental and Green Processes:environmental processes; biomass processes; new disruptive processes for high efficiency; CCUS processes; distributed production processes Energy Systems:energy system planning; energy system transition; changes in energy demand; energy and electricity markets Process Control, Modeling and Optimization:simulation and modeling methods; process data-based approaches; model identification; process control; process supervision; process optimization; process intensification Biological Processes and Systems:investigations of sub-cellular/microbial processes; tissues and microbial communities; bioreactors; enzymology; modeling; system biology; systems medicine; industrial biotechnology Catalysis Enhanced Processescatalytic processes; new materials for processes; catalysts; reactors; process design Separation Processesseparation technologies; extraction; purification; adsorption; crystallization Particle Processes:processes creating particles; processes upgrading particles; processes using particles; characterization of particle systems; simulation of particle systems Food Process Engineering:food processing; food production; food preservation; emerging food technologies; food quality; food waste Materials Processes:materials processing and degradation; processes in biomaterials, energy materials, porous materials, nanomaterials, catalytic materials, corrosion Pharmaceutical Processes:pharmaceutical synthesis; pharmaceutical process route design; pharmaceutical processing and optimization; basic technologies for pharmaceutical processing (supercritical fluid extraction; chromatography; membrane separation; drying technology; sterilization technology etc.); novel technologies for pharmaceutical processing (genetic engineering technology; cell engineering technology; enzyme and cell immobilization techniques etc.); monitoring and quality control of pharmaceutical manufacturing processes; modeling of pharmaceutical production; physicochemical properties of drug product development; novel excipients in pharmaceutical processes; nanomedicine and nanotechnology; biological and biosimilar processing; natural and herbal remedies processing; pharmacokinetics and pharmaco
From the journal's Aims & Scope
Research area (LetPub): Chemical Engineering-Bioengineering
Main research topics OpenAlex counts of recent articles; shares are approximate
- Hydraulic Fracturing and Reservoir AnalysisEngineering10.3%
- Hydrocarbon exploration and reservoir analysisEngineering7.9%
- Drilling and Well EngineeringEngineering7.5%
- Enhanced Oil Recovery TechniquesEngineering5.3%
- Rock Mechanics and ModelingEngineering5.1%
- Fault Detection and Control SystemsEngineering4.5%
- Thermochemical Biomass Conversion ProcessesEngineering4.4%
- Reservoir Engineering and Simulation MethodsEngineering4.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Chemical | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 3 |
| Minor | Engineering, Chemical | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Chemical | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
Early warning / risk: CAS Early Warning Journal List: listed in the 2020 edition (low risk); not listed in the other 5 editions.LetPub
Indexing the journal's website claims
EI CompendexWeb of ScienceINSPECPublisher website
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
- 3.39LetPub ·
- Impact factor (publisher) 2025
- 3.4Publisher website ·
- 5-year impact factor (publisher) 2025
- 3.5Publisher website ·
- CiteScore 2026-06
- 5.7LetPub ·
- CiteScore (publisher)
- 5.7Publisher website ·
- SJR 2026-06
- 0.58LetPub ·
- SNIP 2026-06
- 0.91LetPub ·
- h-index
- 2LetPub ·
- h-index
- 142OpenAlex ·
- i10-index
- 7,033OpenAlex ·
- 2-year mean citedness
- 3.85OpenAlex ·
- Self-citation rate
- 5.9%LetPub ·
- Share of gold OA articles
- 99.91%LetPub ·
Volume
- Articles per year
- 4,161LetPub ·
Articles by year OpenAlex count · 21,860 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 2,990 | 2,990 | 1,393 |
| 2025 | 4,163 | 4,163 | 16,079 |
| 2024 | 2,923 | 2,923 | 21,288 |
| 2023 | 3,439 | 3,439 | 40,994 |
| 2022 | 2,787 | 2,787 | 40,944 |
| 2021 | 2,303 | 2,303 | 46,484 |
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
- Average review time (community reports)
- about 11 weeksLetPub ·
- Submission to first decision
- 14.7 daysPublisher website ·
- Acceptance to publication
- 2.8 daysPublisher website ·
- Peer review
- Blind peer reviewLetPub
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
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | CHF 2,400 | — | — | |
| LetPub | CHF 2,000 | No | — | |
| Publisher website | Yes, amount not published | — | — |
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 prepare7 items from the author guidelines
- Abstract
- ≤ 200 words
- Reference style
- Author–date
- Templates
- LaTeX and Word
- First submission
- Free format: the journal's layout is not required
- Suggested reviewers
- Required, 3
- Graphical abstract
- Optional
- Cover letter
- Required
Article types accepted19
- articleArticle: These are original research manuscripts. The work should report scientifically sound experiments and provide a substantial amount of new information.Length not stated
- book reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- brief communicationAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- brief reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- case reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- commentaryAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- conference reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- editorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- hypothesisAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- letterAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- opinionAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- perspectiveAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- protocolAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- registered reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- systematic reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- technical noteAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- tutorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
- viewpointAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Data availability, Publication ethics, License & copyright, Open access, Peer review, Preprints
- Authorship Authorship
MDPI follows the International Committee of Medical Journal Editors (ICMJE) guidelines which state that, in order to qualify for authorship of a manuscript, the following criteria should be observed: Make substantial contributions to the conception or design of the work, or the acquisition, analysis, or interpretation of data for the work; Draft the work or review it critically for important intel…
Source ↗Publisher website ·- Conflicts of interest Conflicts of Interest
According to The International Committee of Medical Journal Editors, “Authors should avoid entering into agreements with study sponsors, both for-profit and non-profit, that interfere with authors’ access to all of the study’s data or that interfere with their ability to analyze and interpret the data and to prepare and publish manuscripts independently when and where they choose.” All authors mus…
Source ↗Publisher website ·- Data availability Data availability statements
Data availability statements are required for all articles published with MDPI. Model summary
Data availability statements are required for all articles published with MDPI. During the peer review and editorial decision process, authors can be asked to share existing datasets or raw data that have been analyzed in the manuscript, and whether they will be made available to other researchers following publication. Authors will also be asked for the details of any existing datasets that have …
Source ↗Publisher website ·- Publication ethics Publication Ethics Statement
Processes is a member of the Committee on Publication Ethics (COPE). We fully adhere to its Code of Conduct and to its Best Practice Guidelines. The editors of this journal enforce a rigorous peer review process together with strict ethical policies and standards to ensure to add high quality scientific works to the field of scholarly publication. Unfortunately, cases of plagiarism, data falsifica…
Source ↗Publisher website ·- License & copyright Copyright / Open Access
Articles published in Processes will be Open-Access articles distributed under the terms and conditions of the Creative Commons Attribution License (CC BY). The copyright is retained by the author(s). MDPI will insert the following note at the end of the published text: © 2026 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and …
Source ↗Publisher website ·- Open access Open access publication fees
If you transfer your manuscript to another open access (OA) journal, you will be charged an Article Processing Charge (APC) if your article is accepted for publication. The APC for each journal can be found on the individual journal’s website. For more information about APCs, please see here.
Source ↗Publisher website ·- Peer review Editorial Process and Peer Review
All submissions are thoroughly peer-reviewed by experts within the field and undergo a structured editorial workflow designed to ensure quality, transparency, and scientific integrity. The full editorial procedure is available on the Editorial Process page and is also provided below. Pre-check Pre-check consists of a technical pre-check performed by the Editorial Office and an editorial pre-check …
Source ↗Publisher website ·- Preprints Preprints and Conference Papers
Processes accepts submissions that have previously been made available as preprints provided that they have not undergone peer review. A preprint is a draft version of a paper made available online before submission to a journal. MDPI operates Preprints, a preprint server to which submitted papers can be uploaded directly after completing journal submission. Note that Preprints operates independen…
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
- MDPI (Basel, Switzerland)
- Country or region
- Switzerland
- Language
- English
- Founded
- 2013
- ISSN
- 2227-9717
- Latest issue on the website
- Volume 14 (2026)
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- Peer review process ↗LetPub
- Editorial board ↗LetPub
FAQ
Frequently asked questions about Processes
What CAS zone is Processes in?
In the 2025 upgraded edition of the CAS Journal Ranking, Processes 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 3 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Processes?
The latest impact factor listed by LetPub is 3.39; CiteScore 5.7, h-index 142.
How long does peer review take at Processes?
Authors report an average review time of about 11 weeks. 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 Processes?
According to the journal's author guidelines: Abstract: ≤ 200 words; Reference style: Author–date; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required, 3; Graphical abstract: Optional; Cover letter: Required. 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 Processes?
According to LetPub and DOAJ records, Processes is indexed in SCIE and Scopus. The journal's website also lists EI Compendex, Web of Science and INSPEC; that list has not been checked against each database.
Is Processes open access, and what is the APC?
Processes is a fully open-access journal. APC about USD 2,896.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; 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 2026-08-26). Last updated: .