Journal profile · Chemical Engineering-Filtration and Separation
Green Chemical Engineering
ISSN 2666-9528 · KeAi Communications Co. Ltd. · CHINA MAINLAND · Quarterly · Founded 2020
Green Chemical Engineering: CAS Zone 2 · Engineering (2025 upgraded edition); impact factor 11.9 (journal website); fully open access; APC about USD 1,000; review about 68 days (submission to acceptance, publisher); 71 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Green Chemical Engineering is published by KeAi Communications Co. Ltd. and is in Zone 2 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Ionic liquids properties and applications, Diverse Scientific and Economic Studies and Catalysis for Biomass Conversion, together about 22.6% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Green Chemical Engineering (GreenChE) is a journal focusing on significant cutting-edge research and the latest technological advances in core areas of green and sustainable development of chemistry and chemical engineering as well as in other relevant disciplines. Articles should present new findings of exceptional significance to their field, and also be of wider interest to readers working in other areas across the green chemical engineering.Submissions on a variety of green chemical engineering-related topics will be considered. These include, but are not limited to, papers addressing:Green solventsReaction engineeringSeparation engineeringGreen alternative & functional materialsBiochemistry & bioengineeringSimulations, integration, safety & assessmentRecycling, environment engineering & eco-industryEditorial Board
From the journal's Aims & Scope
Research area (LetPub): Chemical Engineering-Filtration and Separation
Main research topics OpenAlex counts of recent articles; shares are approximate
- Ionic liquids properties and applicationsChemical Engineering10.3%
- Diverse Scientific and Economic StudiesEconomics, Econometrics and Finance6.8%
- Catalysis for Biomass ConversionEngineering5.6%
- Metal-Organic Frameworks: Synthesis and ApplicationsChemistry5.4%
- Carbon dioxide utilization in catalysisChemical Engineering5.4%
- Advanced Photocatalysis TechniquesEnergy4.9%
- Membrane Separation and Gas TransportEngineering4.7%
- CO2 Reduction Techniques and CatalystsEnergy4.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Chemical | Zone 2 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Chemical | Zone 2 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
PubMedPublisher website
Other: Crossref
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 (publisher)
- 11.9Publisher website ·
- CiteScore 2026-06
- 18.5LetPub ·
- CiteScore (publisher)
- 18.5Publisher website ·
- SJR 2026-06
- 1.77LetPub ·
- SNIP 2026-06
- 1.73LetPub ·
- h-index
- 44OpenAlex ·
- i10-index
- 181OpenAlex ·
- 2-year mean citedness
- 5.66OpenAlex ·
- Self-citation rate
- 2.5%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 51LetPub ·
Articles by year OpenAlex count · 407 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 40 | 40 | 8 |
| 2025 | 71 | 71 | 229 |
| 2024 | 72 | 72 | 799 |
| 2023 | 47 | 47 | 1,722 |
| 2022 | 68 | 68 | 1,559 |
| 2021 | 61 | 61 | 2,511 |
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
Publisher-reported review time from the journal's website
68 dayssubmission to acceptance · community reports about 14 weeks
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Average review time (community reports)
- about 14 weeksLetPub ·
- Submission to first decision
- 3 daysPublisher website ·
- First decision after review
- 26 daysPublisher website ·
- Submission to acceptance
- 68 daysPublisher website ·
- Acceptance to publication
- 2 daysPublisher website ·
- Submission to publication (journal-reported)
- about 14 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
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 accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 1,000 | Yes | CC BY-NC-ND | |
| OpenAlex | USD 0 | — | — | |
| LetPub | USD 1,000 | Yes | — | |
| Publisher website | USD 1,000 | — | — |
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 prepare3 items from the author guidelines
- Reference style
- Numbered, in order of citation
- Highlights
- Optional
- Graphical abstract
- Optional
Article types accepted15, with length limits
- articlesArticlesReports on the latest research results of innovative and important scientific significance. Articles are limited to 10,000 words (10 printed pages) and …Length not stated
- commentariesCommentariesThese offer an opportunity to comment on and discuss a specific research direction or a recent scientific issue of broad interest, and propose detai…Length not stated
- commentaryons with strong coupling and potential. Commentaries should not exceed 1,000 words (one printed page) and may include up to five references. Amain text ≤ 1,000 words
- correspondencesCorrespondencesThese rectify, discuss, and reply to recent publications in GCE. Correspondences are limited to one printed page and may include up to five refer…Length not stated
- editorialContributions falling into the following categories will be considered for publication:EditorialsSpecial invitations from the Editor-in-Chief or experts to intr…main text ≤ 2,000 words
- editorialsEditorialsSpecial invitations from the Editor-in-Chief or experts to introduce or comment on elements of an issue, e.g., background topics, organization concept…Length not stated
- interviewsInterviewsInterviews with experts and scholars in the field of green chemistry and chemical engineering with a focus on core, and particularly hot issues. Inter…Length not stated
- news & viewsNews & ViewsWritten from your personal viewpoint, they briefly introduce or comment on the latest scientific news, plans, policies, and other progress significa…Length not stated
- perspectiveContributions falling into the following categories will be considered for publication:EditorialsSpecial invitations from the Editor-in-Chief or experts to intr…main text ≤ 2,000 words · references ≤ 15
- research highlightsResearch HighlightsThese highlight and briefly introduce scientific research achievements that have recently been published in academic journals, and comment on…Length not stated
- reviewContributions falling into the following categories will be considered for publication:EditorialsSpecial invitations from the Editor-in-Chief or experts to intr…main text ≤ 15,000 words · abstract ≤ 250 words · references ≤ 150
- reviewsReviewsThese should summarize and comment on the most recent progress and significant achievements in a specific scientific research field, and put forward key …Length not stated
- short communicationContributions falling into the following categories will be considered for publication:EditorialsSpecial invitations from the Editor-in-Chief or experts to intr…main text ≤ 2,000 words · references ≤ 15
- short communicationsShort CommunicationsThese offer an opportunity to rapidly and creatively provide a brief description of the most cutting-edge research and findings to our wide …Length not stated
- viewpointContributions falling into the following categories will be considered for publication:EditorialsSpecial invitations from the Editor-in-Chief or experts to intr…Length not stated
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Publication ethics, License & copyright, Open access, Peer review, Preprints
- AI use Declaration of generative AI in scientific writing
Authors must declare the use of generative AI tools in the manuscript preparation process upon submission of the paper.Generative AI and AI-assisted technologies (“AI tools”) have been rapidly adopted in research and scholarly publishing, offering significant benefits while requiring clear standards for responsible and transparent use.Authors preparing a manuscript for this journal may use AI tool…
Source ↗Publisher website ·- Authorship Author contributions
Maximum 5 keywords, American spelling, avoiding general and plural terms. Model summary
For transparency, we require corresponding authors to provide co-author contributions to the manuscript using the relevant CRediT roles. The CRediT taxonomy includes 14 different roles describing each contributor's specific contribution to the scholarly output. The roles are: Conceptualization; Data curation; Formal analysis; Funding acquisition; Investigation; Methodology; Project administration;…
Source ↗Publisher website ·- Conflicts of interest Declaration of interest
All authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence (bias) their work. Examples of potential competing interests include employment, consultancies, stock ownership, honoraria, paid expert testimony, patent applications/registrations, and grants or other funding. Authors must disclose any interests in two places:…
Source ↗Publisher website ·- Publication ethics
Ethics approval and consent required for studies involving human participants, data, or tissue. Model summary
Manuscripts reporting studies involving human participants, human data or human tissue must (i) include a statement on ethics approval and consent (even where the need for approval was waived) and (ii) include the name of the ethics committee that approved the study and the committee's reference number if appropriate.
Source ↗Publisher website ·- License & copyright Copyright
Journal Publishing Agreement required upon acceptance. Model summary
Upon acceptance of an article, authors will be asked to complete a 'Journal Publishing Agreement'. Acceptance of the agreement will ensure the widest possible dissemination of information. An e-mail will be sent to the corresponding author confirming receipt of the manuscript together with a 'Journal Publishing Agreement' form or a link to the online version of this agreement.Permission of the soc…
Source ↗Publisher website ·- Open access Open access
Open access publication for all peer-reviewed research articles. Model summary
Every peer-reviewed research article appearing in this journal will be published open access. This means that the article is universally and freely accessible via the internet in perpetuity, in an easily readable format immediately after publication. To provide open access, this journal has an open access fee (also known as an article publishing charge APC) which needs to be paid by the authors or…
Source ↗Publisher website ·- Peer review Peer Review
Single blind peer review; minimum two independent expert reviewers. Model summary
This journal operates a single blind review process. All contributions are sent to a minimum of two independent expert reviewers to assess the scientific quality of the paper. The Editor-in-Chief is responsible for the final decision regarding acceptance or rejection of articles. The Editor-in-Cheif's decision is final. For more information on the types of peer review, please visit: https://www.el…
Source ↗Publisher website ·- Preprints Preprint posting on SSRN
Free preprint posting service on SSRN. Model summary
In support of Open Science, this journal offers its authors a free preprint posting service. Preprints provide early registration and dissemination of your research, which facilitates early citations and collaboration.<P>During submission to Editorial Manager, you can choose to release your manuscript publicly as a preprint on the preprint server SSRN once it enters peer-review with the journal. Y…
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
- KeAi Communications Co. Ltd.
- Country or region
- CHINA MAINLAND
- Language
- English
- Frequency
- Quarterly
- Founded
- 2020
- ISSN
- 2666-9528
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Green Chemical Engineering
What CAS zone is Green Chemical Engineering in?
In the 2025 upgraded edition of the CAS Journal Ranking, Green Chemical Engineering is in Zone 2 of Engineering, and in Zone 2 of the minor category Engineering, Chemical. In the 2026 Xinrui edition it is in Zone 2 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Green Chemical Engineering?
The journal's website gives an impact factor of 11.9; this is the journal's own figure, as LetPub lists none for it; CiteScore 18.5, h-index 44.
How long does peer review take at Green Chemical Engineering?
The publisher reports about 68 days (submission to acceptance); authors report an average review time of about 14 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 Green Chemical Engineering?
According to the journal's author guidelines: Reference style: Numbered, in order of citation; Highlights: Optional; Graphical abstract: 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 Green Chemical Engineering?
According to LetPub and DOAJ records, Green Chemical Engineering is indexed in ESCI, Scopus and DOAJ. The journal's website also lists PubMed; that list has not been checked against each database.
Is Green Chemical Engineering open access, and what is the APC?
Green Chemical Engineering is a fully open-access journal. APC about USD 1,000.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; 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: .