Journal profile · CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL
Green Processing and Synthesis
ISSN 2191-9542 · eISSN 2191-9550 · Walter de Gruyter GmbH · GERMANY
Green Processing and Synthesis: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 3.35; fully open access; APC charged, amount not published; review about 7 weeks (community reports); 74 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Green Processing and Synthesis is published by Walter de Gruyter GmbH 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 Nanoparticles: synthesis and applications, Innovative Microfluidic and Catalytic Techniques Innovation and Chemistry and Chemical Engineering, together about 29% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Green Processing and Synthesis provides a platform for scientists and engineers, especially chemists and chemical engineers, but is also open for interdisciplinary research from other areas such as physics, materials science, or catalysis.
From the journal's Aims & Scope
Research area (LetPub): CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL
Editor-in-chief Volker HesselPublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Nanoparticles: synthesis and applicationsMaterials Science17.7%
- Innovative Microfluidic and Catalytic Techniques InnovationEngineering6.2%
- Chemistry and Chemical EngineeringEnvironmental Science5.1%
- Nanomaterials for catalytic reactionsChemistry4.7%
- Moringa oleifera research and applicationsAgricultural and Biological Sciences4.6%
- Adsorption and biosorption for pollutant removalEnvironmental Science4.3%
- Catalysis and Hydrodesulfurization StudiesEngineering4.2%
- Extraction and Separation ProcessesEngineering3.9%
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 | Chemistry, Multidisciplinary | Zone 3 |
| Minor | Engineering, Chemical | Zone 3 |
| Minor | Green & Sustainable Science & Technology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 3 |
| Minor | Chemistry, Multidisciplinary | Zone 3 |
| Minor | Green & Sustainable Science & Technology | Zone 4 |
| 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 | Chemistry, Multidisciplinary | Zone 3 |
| Minor | Engineering, Chemical | Zone 4 |
| Minor | Green & Sustainable Science & Technology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
CASCurrent ContentsPublisher website
Other: EBSCO, ProQuest, Baidu, OCLC
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
- 3.35LetPub ·
- Impact factor (publisher)
- 3.6Publisher website ·
- 5-year impact factor (publisher)
- 4.3Publisher website ·
- CiteScore 2026-06
- 7.1LetPub ·
- CiteScore (publisher)
- 7.1Publisher website ·
- SJR 2026-06
- 0.57LetPub ·
- SNIP 2026-06
- 0.8LetPub ·
- h-index
- 15LetPub ·
- h-index
- 59OpenAlex ·
- i10-index
- 487OpenAlex ·
- 2-year mean citedness
- 5.55OpenAlex ·
- Self-citation rate
- 2.8%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 73LetPub ·
Articles by year OpenAlex count · 1,379 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 31 | 31 | 6 |
| 2025 | 74 | 74 | 265 |
| 2024 | 122 | 122 | 988 |
| 2023 | 120 | 120 | 1,019 |
| 2022 | 98 | 98 | 1,635 |
| 2021 | 80 | 80 | 2,078 |
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 7 weeksLetPub ·
- Submission to publication (journal-reported)
- about 7 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 | EUR 1,600 | Yes | CC BY | |
| OpenAlex | EUR 1,600 | — | — | |
| Publisher website | EUR 1,600 | — | — |
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)
Policy excerpts from the journal's websitePublication ethics
- Publication ethics Publication Ethics and Editoria l Policies
Detailed information on Editorial Policy, Publication Ethics, Instructions for Authors etc. can be found in the Supplementary Materials section.
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
- Walter de Gruyter GmbH
- Country or region
- GERMANY
- Language
- English
- ISSN
- 2191-9542
- Electronic ISSN
- 2191-9550
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗Publisher website
- Author guidelines ↗DOAJ
- Aims & Scope ↗DOAJ
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗DOAJ
- Editorial board ↗DOAJ
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Green Processing and Synthesis
What CAS zone is Green Processing and Synthesis in?
In the 2025 upgraded edition of the CAS Journal Ranking, Green Processing and Synthesis is in Zone 4 of Engineering, and in Zone 3 of the minor category Chemistry, Multidisciplinary / Engineering, Chemical / Green & Sustainable Science & Technology. 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 Green Processing and Synthesis?
The latest impact factor listed by LetPub is 3.35; CiteScore 7.1, h-index 59.
How long does peer review take at Green Processing and Synthesis?
Authors report an average review time of about 7 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.
Which databases index Green Processing and Synthesis?
According to LetPub and DOAJ records, Green Processing and Synthesis is indexed in SCIE, Scopus and DOAJ. The journal's website also lists CAS and Current Contents; that list has not been checked against each database.
Is Green Processing and Synthesis open access, and what is the APC?
Green Processing and Synthesis is a fully open-access journal. APC charged, amount not published.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website, 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 2026-08-26). Last updated: .