Evidence map›Paper›PMID 41253958›Full record

ArticleScientific reports2025

Kinetic and isothermal insights on phenol removal via biochar from vicia Faba stems.

Fateh Barbari, Salim Khechana, Lynda Hecini, Naima Bacha, Mohamed Salah Halati, Babes Badreddine, Ahmad Alghamdi, Mohammad Alsharef, Ahmed Althobiti, Badmaw Abebe Gedefie

Erratum issuedAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors.

Fateh BarbariArid Zone Renewable Energy Development Unit (UDERZA), Faculty of Technology, University of El Oued, El Oued, 39000, Algeria.
Salim KhechanaLaboratory of Exploitation and Valorization of Saharan Energy Resources (LEVRES), University of El-Oued, El Oued, 39000, Algeria.
Lynda HeciniScientific and Technical Research Center on Arid Regions(CRSTRA), Campus of Mohamed Khider University, Biskra, Algeria.
Naima BachaScientific and Technical Research Center on Arid Regions(CRSTRA), Campus of Mohamed Khider University, Biskra, Algeria.
Mohamed Salah HalatiScientific and Technical Research Center on Arid Regions(CRSTRA), Campus of Mohamed Khider University, Biskra, Algeria. mohamedsalah.halati@yahoo.fr.
Babes BadreddineLasers for surface treatment applications team, Research Center in Industrial Technologies (URFA-CRTI), P.O.Box 64, Cheraga, Algiers, 16014, Algeria.
Ahmad AlghamdiDepartment of Mechanical and Industrial Engineering, College of Engineering and Computing in Al-Qunfudhah, Umm Al-Qura University, Mecca, Saudi Arabia.
Mohammad AlsharefDepartment of Electrical Engineering, College of Engineering, Taif University, P.O. BOX 11099, Taif, 21944, Saudi Arabia.
Ahmed AlthobitiDepartment of Electrical Engineering, College of Engineering, Taif University, P.O. BOX 11099, Taif, 21944, Saudi Arabia.
Badmaw Abebe GedefieDepartment of Electrical and Computer Engineering, Faculty of Technology, Debre Markos University, P. BOX 269, Debre Markos, Ethiopia. badmaw_abebe@dmu.edu.et.

Funding

Taif University, Taif, Saudi Arabia (TU-DSPP-2024-70)
6 · The paper itself

Abstract

Phenol contamination in water poses serious risks to human health and ecosystems, necessitating low-cost and sustainable treatment options. This study investigates the preparation of biochar from Vicia Faba Stems (VFS) through direct pyrolysis at 600 °C and evaluates its efficiency in phenol removal from aqueous solutions. The produced VFS biochar (VFSB) was characterized using Brunauer-Emmett-Teller (BET) analysis for surface area, Fourier Transform Infrared (FTIR) spectroscopy for functional groups, X-ray Diffraction (XRD) for structural features, and pHPZC for surface charge. VFSB exhibited a high carbon content (83.1%), porous sheetlike structure, and surface area of 144.34 m²/g, with a pHPZC of 6. Batch adsorption experiments showed rapid equilibrium within 3 h and a maximum removal efficiency of 88.86% at pH 6. The adsorption capacity increased by 45.82% across pH 2-12, with an average uptake of 19.30 ± 3.61 mg/g. Adsorption followed pseudo-second-order kinetics, while equilibrium data fit the Freundlich isotherm, indicating multilayer adsorption. Thermodynamic analysis revealed the process is spontaneous and endothermic. Reusability tests confirmed four adsorption cycles, with efficiency decreasing from 88.86% to 47.31%. The findings establish Vicia faba stem biochar as effective for phenol removal and highlight its potential to guide future studies on affordable, reusable, and practical solutions for organic contaminant treatment.

Indexed as

CharcoalPhenolPlant StemsVicia fabaWater Pollutants, ChemicalWater PurificationAdsorptionHydrogen-Ion ConcentrationKineticsSpectroscopy, Fourier Transform InfraredThermodynamicsX-Ray DiffractionbiocharCharcoalPhenolWater Pollutants, ChemicalAdsorptionBiocharIsothermsKineticsPhenolVicia faba

Identifiers

PMID41253958
PMCPMC12627674

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.