ArticleScientific reports2024
Synthesis of nanogeopolymer adsorbent and its application and reusability in the removal of methylene blue from wastewater using response surface methodology (RSM).
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Green synthesis of CuS/oxalic acid modified Ocimum tenuiflorum biosorbent for high-capacity adsorption of methylene blue.Scientific reports · 2026Article
- A novel approach to modifying eggshell-based adsorbent for the removal of acid red 1 and crystal violet dyes: kinetics, isotherm, and thermodynamics study.Scientific reports · 2026Article
- Integrated economic and adsorption performance study of CMC/MMT nano-composite for cationic dye removal from industrial wastewater.Scientific reports · 2026Article
- High-Capacity Adsorption of a Cationic Dye Using Alkali-Activated Geopolymers Derived from Agricultural Residues.Materials (Basel, Switzerland) · 2026Article
- Sustainable slag-based geopolymers incorporating styrofoam and Moringa leaves ash for mechanical enhancement and crystal violet adsorption.Scientific reports · 2025Article
- Valorization of marble sludge waste in biodiesel production using a central composite design.Scientific reports · 2024Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Organic dyestuff are mostly toxic compounds that pose serious dangers to the environment. Adsorption using low-cost adsorbents is the most favorable method for its economic aspects. Recently, geopolymers have been introduced as an effective adsorbent for dyes and heavy metals. In this investigation, the synthesis of geopolymers from fired brick waste (Homra) was studied with full characterization using X-ray Diffraction, Fourier Transform Infrared Spectroscopy, Brunauer-Emmett-Teller, Energy dispersive X-ray, Scanning electron microscope tests and Transmission electron microscopy. The synthesized nano-Homra geopolymer (NHGP) was then subjected to the removal of one of the most used basic dyes, Methylene Blue (MB). Adsorption optimization was applied using Response surface methodology to study dye adsorption by the synthesized nano-geopolymer. The independent variables studied were: temperature, contact time, and concentration of dye in the elimination process, which were varied in the range of (25-60 ℃), (10-180 min), and (20-300 mg/L) respectively. The results obtained from ANOVA indicated that the maximum removal efficiency of 95% and adsorption capacity of 80.65 mg/g at a temperature of 59 ℃, contact time of 163 min, and an initial concentration of 254 mg/L. The results showed that the data obtained from the adsorption of MB onto NHGP was compatible with the Pseudo second order (R
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