Unary adsorption of sulfonamide antibiotics onto pozzolan-tyre ash based geopolymers: Isotherms, kinetics and mechanisms

HD Tamaguelon, VO Shikuku, S Tome, FG Titini… - … Research and Design, 2024 - Elsevier
In this contribution, geopolymer composites, GP 0, GP 5-TA and GP 10-TA, were prepared
by alkaline activation and substituting pozzolan (Pz) with 0, 5 and 10 wt% of tyre ash (TA) …

Novel superadsorbent from pozzolan-charcoal based geopolymer composite for the efficient removal of aqueous crystal violet

JM Mboka, HD Tamaguelon, V Shikuku, S Tome… - Water, Air, & Soil …, 2024 - Springer
In this study, geopolymer composites, GP0, GPC2. 5, GPC5, GPC7. 5 and GPC10 were
synthesized from pozzolan, a naturally occurring, abundant and inexpensive precursor …

A comparative study of compressed lateritic earth bricks stabilized with natural pozzolan-based geopolymer binders synthesized in acidic and alkaline conditions

RAT Kamwa, LT Noumbissie, S Tome, E Idriss… - … and Building Materials, 2023 - Elsevier
Two geopolymer binder systems made under alkaline and acidic conditions have been
evaluated for the stabilization of compressed lateritic earth bricks (CEBs) using natural …

[HTML][HTML] Synthesis of alkali-activated volcanic scoria and rice husk ash based composite materials for adsorptive removal of crystal violet: optimization, kinetics …

AS Sidjou, AN Tchakounte, V Shikuku, I Lenou… - Hybrid Advances, 2023 - Elsevier
In this study, central composite design (CCD) was used to optimize the porosity structure of
NaOH-activated volcanic scoria (VSc) and rice husk ash (RHA) composite materials. The …

Synthesis of pumice and medical waste incinerator fly ash based phosphate geopolymers for methylene blue dye adsorption: co-valorization, parameters and …

C Onyango, W Nyairo, B Kwach, V Shikuku… - Materials …, 2024 - pubs.rsc.org
In this study, four geopolymer composites, GP-0, GP-10, GP-20 and GP-30, were
synthesized from pumice, an abundant and inexpensive volcanic rock precursor, substituted …

Elimination of malachite green from aqueous and saline water by laterite-derived Na-polyferrosialate and polyferrophosphosialate geopolymers: a comparative study

T Sylvain, HD Tamaguelon, V Shikuku, A Nana… - Ceramics …, 2024 - Elsevier
In this study, two laterites (LA)-based geopolymers were synthesized using alkalination
(GPAL) and phosphoric acid-activation (GPAC) approaches and applied to scavenge …

Synergistic co-adsorptive removal of crystal violet and chromium (vi) from water by pozzolan-charcoal based geopolymer composites

JM Mboka, HD Tamaguelon, VO Shikuku, S Tome… - Materials …, 2024 - pubs.rsc.org
In this study, the geopolymer composites GP0, GP7. 5-CP, and GP10-CP were synthesized
using mixtures of pozzolan (Pz) and waste charcoal powders (CP) as precursors with CP …

Enhancing the performance of biofilters with sorption ability for simultaneous purification of landfill gases using laterite soil-based substrate

PL Herath, DT Jayawardana, N Bandara… - Journal of Cleaner …, 2024 - Elsevier
Various harmful gas emissions are a major controversial issue globally, and open dumpsites
have become a leading contributor to atmospheric pollution. The study aims to introduce a …

High removal of cadmium (II) from the aqueous phase using douala kaolinitic clay as a low cost adsorbent: correlation between specific surface area, CEC and …

OK Oumla, CE Bayiga, N Tehna, BM Mbog, VK Tchieda… - Chemistry Africa, 2024 - Springer
This study evaluated the Cd2+ encapsulation capacity in the aqueous phase of three natural
kaolinitic clays, Arg-G, Arg-V and Arg-Y, from three localities in the Douala sub-basin. The …

Enhanced adsorption of malachite green onto a composite material activated carbon and iron (III) oxide nanoparticles: isotherm, kinetic, and thermodynamic study

MN Lincold, ML Jules, NP Guy, M Suzanne… - Biomass Conversion …, 2024 - Springer
In this study, activated carbon derived from black fruit kernels decorated with iron (III) oxide
nanoparticles (AC@ NPs) was prepared for effective adsorption of malachite green in batch …