Evidence map›Paper›PMID 35414682›Full record

ArticleScientific reports2022

Recent advances in removal of Congo Red dye by adsorption using an industrial waste.

Maria Harja, Gabriela Buema, Daniel Bucur

Abstract read
In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

35 citing papers in PubMed.

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  19. Azo dye adsorption on ZrOScientific reports · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Maria HarjaFaculty of Chemical Engineering and Environmental Protection, "Gheorghe Asachi" Technical University of Iasi, 73 Prof.dr.doc. Dimitrie Mangeron Street, 700050, Iasi, Romania. mharja@tuiasi.ro.
Gabriela BuemaNational Institute of Research and Development for Technical Physics, 47 Mangeron Boulevard, 700050, Iasi, Romania. gbuema@phys-iasi.ro.
Daniel BucurDepartment of Pedotechnics, Faculty of Agriculture, University of Life Sciences, 3, Mihail Sadoveanu Alley, 700490, Iasi, Romania. dbucur@uaiasi.ro.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The Congo Red dye was removed from a simulated textile wastewater solution using fly ash from a local power plant. The characterisation of fly ash was studied in detail by SEM, EDX, XRD, FTIR, BET surface area and TGA techniques. The influence of four parameters (contact time, initial concentration, adsorbent dose, and temperature) was analysed, the results showing that the adsorption capacity depends on these parameters. Thermodynamic and regeneration investigations as well are presented. The fit to pseudo-second-order kinetics models suggests that the removal process is a chemical adsorption. The Langmuir model fitted the experimental data, with a maximum adsorption capacity of 22.12 mg/g. The research is a preliminary case study that highlights that fly ash posed a very good potential as a material for Congo Red dye removal.

Indexed as

Congo RedWater Pollutants, ChemicalAdsorptionCoal AshHydrogen-Ion ConcentrationIndustrial WasteKineticsThermodynamicsCoal AshCongo RedIndustrial WasteWater Pollutants, Chemical

Identifiers

PMID35414682
PMCPMC9005715

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.