An overview of zeolites synthesised from coal fly ash and their potential for extracting heavy metals from industrial wastewater

S Buzukashvili, R Sommerville… - Canadian …, 2024 - Taylor & Francis
Zeolites are aluminosilicate minerals widely used in industrial applications including as
commercial adsorbents and catalysts. This overview focuses on zeolites synthesised from …

Municipal solid waste fly ash-derived zeolites as adsorbents for the recovery of nutrients and heavy metals—A Review

C Vogelsang, M Umar - Water, 2023 - mdpi.com
Though fly ash from the incineration of municipal solid waste (MSW-FA) is considered
hazardous waste, its huge and increasing volumes and potential value due to high …

Polyvinyl alcohol modified chitosan composite as a novel and efficient adsorbent for multi-metal removal

KS Sopanrao, I Sreedhar - Separation and Purification Technology, 2024 - Elsevier
This study focussed on the development of a novel and efficient adsorbent derived from
polyvinyl alcohol-modified chitosan composite for the removal of Cu+ 2, Ni+ 2, and Zn+ 2 …

Holistic and parametric optimization study on Cr (VI) removal using acid-treated coco peat biochar adsorbent

S Sireesha, I Sreedhar - Bioresource Technology Reports, 2023 - Elsevier
This study presents the use of H 3 PO 4 surface-modified coco peat biochar (PSMCB), as an
effective adsorbent to remove Cr (VI) from aqueous and real systems. Microstructure and …

Algal-biochar and Chlorella vulgaris microalgae: a sustainable approach for textile wastewater treatment and biodiesel production

R Rehman, J Iqbal, MS Ur Rehman, S Hamid, Y Wang… - Biochar, 2024 - Springer
Microalgae technology is a viable solution for environmental conservation (carbon capture
and wastewater treatment) and energy production. However, the nutrient cost, slow-kinetics …

Enhanced removal of Cu(II) and Ni(II) using MnOx-modified non-edible biochar: synthesis, characterization, optimization, thermo-kinetics, and regeneration

KS Sopanrao, S Gupta, S Sireesha… - Biomass Conversion …, 2024 - Springer
The remediation of copper and nickel heavy metals from industrial effluents is crucial to
prevent environmental pollution and protect public health. Biosorption, a low-cost and eco …

Zeolite synthesis from coal fly ash and its application to heavy metals remediation from water contaminated with Pb, Cu, Zn and Ni ions

S Buzukashvili, R Sommerville, W Hu, O Brooks… - Minerals …, 2024 - Elsevier
The unique properties of zeolites, such as their microporous structure and ion exchange
capacity, make them a promising material for water treatment applications. This work …

Evaluation of performances of cadmium adsorption onto nano-and macro-biochar-treated alkaline sandy soil from aqueous solutions

H Ramezanzadeh, A Reyhanitabar, S Oustan… - International Journal of …, 2023 - Springer
In this study, the sorption kinetics and transport of cadmium (II) investigated in two sizes,
nano (NBC) and macro (0.1–0.5 mm)(MBC) wood-derived biochar at 0, 0.5, 1, and 2%(w/w) …

Ecofriendly synthesized Zeolite 4A for the treatment of a multi-cationic contaminant-based effluent: Central composite design (CCD) statistical approach

JM Nseke, NP Baloyi - Heliyon, 2024 - cell.com
One of the key aspects of futureproofing the sustainability of life on earth lies in the
protection of the hydrosphere, particularly from soluble heavy metal ion pollutants. In the …

Ultrahigh and rapid removal of Ni2+ using a novel polymer-zeolite-biochar tri-composite through one-pot synthesis route

S Sireesha, M Sumanth, CM Patel, I Sreedhar - Environmental Research, 2025 - Elsevier
In this work, a novel adsorbent from alginate, zeolite and biochar has been made through
one-pot synthesis route with highly compatible Sodium Dodecyl Sulphate (SDS) …