Separation and Purification Technology Submission Guide

Source: ScienceDirect Separation and Purification Technology journal page and author guide, accessed May 2026.

Source: Separation and Purification Technology author guidelines.

Use this page when deciding:

• whether the separation-process advance is substantive

• whether mechanism analysis is included

• whether benchmarking is comprehensive

• a clear separation-process advance

• comprehensive performance metrics

• mechanism analysis

• benchmarking against state-of-the-art

• a cover letter establishing the contribution

• Incremental performance improvements without novel principle.

• Missing benchmarking against state-of-the-art.

• Weak mechanism analysis.

• General chemistry without separation focus.

Separation and Purification Technology is a flagship separation processes journal.

Process-first standard: the journal differentiates from Journal of Membrane Science (membrane-specific) and AIChE Journal (broader chemical engineering) by demanding substantive separation-process contributions across modalities.

Performance-data expectation: editors expect quantitative performance metrics.

The desk screen: the official guide says contributions should relate to new or improved separation methods or principles, and that local or regional studies need clearly explained global relevance.

The strongest Separation and Purification Technology cover letters establish:

• the separation-process advance

• the performance metrics

• the mechanism analysis

• the benchmarking approach

Separation and Purification Technology (SPT) submissions go through Elsevier Editorial Manager at Editorial Manager submission portal. Initial setup requires an Elsevier account; ORCID is recommended for the corresponding author. The platform accepts unsolicited Research Papers and Reviews on separation processes including membrane separation, adsorption, distillation, extraction, crystallization, and hybrid separation systems. Editable source files (Word (.docx) or LaTeX (.tex)) are required; PDFs are not acceptable as source files.

Full guide at the Separation and Purification Technology author page.

Separation and Purification Technology requires these at first submission:

• Cover letter explicitly establishing the separation-process contribution with quantified performance evidence (selectivity, throughput, energy efficiency, or recovery rate)

• Declaration of competing interests for all authors

• Generative AI usage declaration covering manuscript preparation and figure generation

• Data availability statement with repository links for breakthrough curves, isotherm data, membrane performance data, or process modeling code

• Code availability statement for separation-process modeling or optimization analyses

• Ethics statement where animal or human samples are involved

• CRediT author contributions statement

• Four or more suggested reviewers with no recent collaboration history

• Optional informed consent statement where biological samples are processed

For Separation and Purification Technology submissions, the most common artifact-related issue is missing benchmarking-against-state-of-the-art context in the cover letter, abstract, and results table. SPT's public guide states that contributions should be tied to new or improved separation methods or principles, and that simulation studies should be accompanied by experimental verification. Submissions reporting separation performance without comparison to established benchmark separation processes enter the desk screen with the central editorial question unanswered.

For Separation and Purification Technology submissions, the editorial timeline runs through four phases. The journal's editorial filter weights novel separation-process principle, global relevance, and experimental verification over incremental performance reports.

Day 0 to 5: Editorial Manager intake and editor assignment

Elsevier intake handles format compliance plus the AI-declaration and source-file checks. The handling Editor assignment lands within 5 days; separation papers route to subject editors matching the separation modality (membrane, adsorption, distillation, extraction, chromatography, crystallization, hybrid). The most common Day 0-5 hold-up: PDF-only submissions or weak performance-quantification framing.

Day 5 to 21: Editor scope and novel-principle screen

SPT's editor filter prioritizes substantive separation-process contributions: novel separation principles, new materials with separation-relevant properties, or hybrid-process designs. The most common Day 5 to 21 desk-screen problem in our review work is an incremental performance report on an established separation system, such as a small selectivity improvement on an existing membrane or a new adsorbent without mechanistic differentiation, missing benchmarking against state-of-the-art, or weak mechanism analysis.

Week 3 to 9: Peer review

Single anonymized review with a minimum of 2 reviewers, 4-8 week first decision target. Reviewer mix typically includes one separation-mechanism expert plus one process-engineering or application-domain specialist. Submissions missing long-duration performance data, cycle-stability testing, or process integration analysis extend reviewer dialogue by 3-5 weeks.

Week 9 to 20: Decision, revision, and production

Major revision is the standard first decision at SPT. Revision rounds typically settle at 2 (rarely 3 for accepted papers). Total submission-to-acceptance: 5-8 months for accepted papers. Hybrid open-access option available with APC at acceptance.

• Is Separation and Purification Technology a good journal?

Before upload, run your manuscript through a Separation and Purification Technology process readiness check.

Across separation manuscripts targeting Separation and Purification Technology, three named patterns decide whether the manuscript reads like a separation-principle contribution or a performance report that belongs in a narrower materials, membrane, or process journal.

Performance number without a separation principle

Across separation manuscripts targeting Separation and Purification Technology, this pattern appears when the abstract reports flux, selectivity, adsorption capacity, rejection percentage, recovery, or energy reduction but never states the separation principle that changed. The official guide is explicit that applications are welcome when they are not a direct implementation of known separation methods, and that materials papers need separation or purification to be an essential part of the work.

That means a stronger membrane, adsorbent, solvent, resin, catalyst, or hybrid process must be framed as a separation advance, not merely as a new material with a better number.

The repair has to happen across manuscript components. The abstract should name the separation barrier or mass-transfer limitation being solved. The methods should define feed composition, concentration range, temperature, pressure, cycle length, fouling or regeneration conditions, and measurement uncertainty. The figures should show tradeoffs rather than isolated best-case numbers. The cover letter should explain why the work belongs in Separation and Purification Technology rather than Journal of Membrane Science, Desalination, Chemical Engineering Journal, AIChE Journal, or Industrial & Engineering Chemistry Research.

Check whether your Separation and Purification Technology manuscript states a real separation principle →

Benchmarking that ignores the operational denominator

Across process manuscripts targeting Separation and Purification Technology, a common weak page is the benchmark table. Authors compare one headline metric against a hand-picked set of papers, but the feed, target purity, throughput, contact time, cycle count, membrane area, pressure, regeneration cost, or separation factor is not comparable. SPT's public scope is broad, covering liquids, vapors, gases, resource recycling, biobased feedstocks, carbon capture, equipment design, process development, and simulation. That breadth makes apples-to-apples benchmarking more important, not less.

The stronger SPT manuscript uses a benchmark table that tells an editor what decision the process improves. For a membrane paper, that may be selectivity at useful flux under realistic fouling conditions. For adsorption, it may be working capacity, regeneration energy, and cycle stability. For extraction or crystallization, it may be purity, yield, solvent burden, and scalability. For simulation, it must connect back to experimental verification.

Without those denominators, Journal of Membrane Science, Desalination, Separation and Purification Reviews, Chemical Engineering Journal, or a specialty application journal may be a more honest route.

Check whether your Separation and Purification Technology benchmark table survives editorial comparison →

Global relevance claim supported only by a local case

For manuscripts targeting Separation and Purification Technology, the most overlooked official requirement is global significance. The guide says manuscripts addressing local, national, or regional challenges will not be accepted unless global relevance is clearly explained. This is where otherwise solid wastewater, mining, food-processing, carbon-capture, desalination, pharmaceutical, or biobased-feedstock papers lose momentum. The manuscript solves a real local separation problem, but the abstract, introduction, methods, figures, and discussion do not explain what generalizable separation insight another reader can reuse.

The fix is to separate the case from the principle. The introduction should state the transferable separation problem, not just the local pollutant or feedstock. The methods should define feed variability and boundary conditions. The results figures should distinguish performance under local samples from mechanism tests. The supplementary material should make raw curves, isotherms, process parameters, or simulation files interpretable. The cover letter should name the separation community that benefits.

That framing keeps SPT in view while also making clear when AIChE Journal, Journal of Cleaner Production, Water Research, or an environmental application journal is a better target.

Check whether your Separation and Purification Technology manuscript is submission-ready →

The review tells you whether your paper passes the separation-principle, benchmark, and global-relevance checks before upload. Manusights checks do not train on your manuscript, and paid reviews include a 60-day money-back guarantee.

How do I submit to Separation and Purification Technology?

Submit through Elsevier Editorial Manager. The journal accepts unsolicited Research Papers and Reviews on separation processes. The cover letter should establish the separation-process contribution and performance evidence.

What is Separation and Purification Technology's JIF and acceptance rate?

ScienceDirect displayed a 9.0 JIF and 15.1 CiteScore when this page was reviewed on May 26, 2026. Elsevier does not publicly disclose a dependable acceptance or desk-rejection rate for this journal.

What does Separation and Purification Technology publish?

Original research on separation processes: membrane separation, adsorption, chromatography, distillation, extraction, crystallization, and emerging separation technologies for water, gas, and chemical processing.

Why does Separation and Purification Technology desk-reject most submissions?

Most reasons: incremental performance improvements without novel principle, missing benchmarking against state-of-the-art, weak mechanism analysis, or scope mismatch (general chemistry without separation focus).

In pre-submission diagnostic work for top separation journals, we check four signals that distinguish strong submissions from weak ones: whether the separation-process advance is substantive, whether performance metrics are reported with usable denominators, whether mechanism analysis is included, and whether benchmarking against state-of-the-art systems is explicit.

For Separation and Purification Technology-targeted manuscripts, the single most consistent feedback class we deliver in pre-submission diagnostics is the incremental-versus-substantive distinction. Separation and Purification Technology editors expect substantive process advances. Submissions framed as "we modified system X to achieve Y improvement" routinely invite the question "where is the separation advance?" We coach authors to lead with the substantive process contribution.

Papers framed as "we developed a new separation approach that addresses limitation X by exploiting principle Y, achieving selectivity Z under boundary condition Q" receive better editorial traction.

For Separation and Purification Technology-targeted manuscripts, beyond the rubric checks, three pre-submission diagnostic patterns recur most often in the manuscripts we review for Separation and Purification Technology. First, manuscripts where the abstract reports performance numbers without articulating the process contribution are flagged for incremental framing. Second, manuscripts where benchmarking uses literature values without specific named comparisons are flagged for benchmarking gaps. Third, manuscripts that lack engagement with Separation and Purification Technology's recent issues are at risk of being told the contribution does not fit the publication conversation.

For Separation and Purification Technology-targeted manuscripts, the strongest manuscripts we coach distinguish themselves on three operational behaviors. First, the cover letter states the separation principle in the opening paragraph. Second, the abstract pairs the best performance result with its operating denominator. Third, the manuscript identifies specific recent papers in the journal that it extends or corrects.

Beyond the rubric checks, editorial triage at this tier operates on limited time per manuscript. Editors typically scan abstract, introduction, methodology, and conclusions before deciding whether to invite reviewer engagement. Manuscripts that bury the contribution in middle sections, or that require multiple readings to identify the central argument, fare worse than manuscripts that lead with their strongest signal.

We coach researchers to assume the editor has 10 minutes and to design the abstract, introduction, and conclusions accordingly: each section should independently convey the contribution, the methodological rigor, and the implications, rather than relying on linear reading of the full manuscript.