Hybrid carbonaceous adsorbents based on clay and cellulose for cadmium recovery from aqueous solution DOI Creative Commons

Leila Azaryouh,

Hajar Abara,

Zineb Kassab

и другие.

RSC Advances, Год журнала: 2023, Номер 13(10), С. 6954 - 6965

Опубликована: Янв. 1, 2023

The current work describes the synthesis of carbonaceous composites via pyrolysis, based on CMF, extracted from Alfa fibers, and Moroccan clay ghassoul (Gh), for potential use in heavy metal removal wastewater. Following synthesis, (ca-Gh) material was characterized using X-ray fluorescence (XRF), Scanning Electron Microscopy coupled with Energy Dispersive (SEM-EDX), zeta-potential Brunauer-Emmett-Teller (BET). then used as an adsorbent cadmium (Cd2+) aqueous solutions. Studies were conducted into effect dosage, kinetic time, initial concentration Cd2+, temperature also pH effect. Thermodynamic tests demonstrated that adsorption equilibrium attained within 60 min allowing determination capacity studied materials. investigation kinetics reveals all data could be fit by pseudo-second-order model. Langmuir isotherm model might fully describe isotherms. experimental maximum found to 20.6 mg g-1 261.9 Gh ca-Gh, respectively. thermodynamic parameters show Cd2+ onto investigated is spontaneous endothermic.

Язык: Английский

Fabrication of Fe3O4@Polypyrrole@Sulfamic Acid Composite for Efficient Adsorption of Four Cationic Dyes in Aqueous Solution DOI Open Access
Yuhang Wang

Applied Organometallic Chemistry, Год журнала: 2025, Номер 39(2)

Опубликована: Янв. 14, 2025

ABSTRACT With the continuous development of industry, issue industrial wastewater emissions is increasing. Adsorption, as an effective means possessing features no pollution, high efficiency, and easy operation, has become one methods to treat wastewater. Fe 3 O 4 @polypyrrole@sulfamic acid (Fe @PPy@SA) composite successfully prepare by hydrothermal method, in situ polymerization, modification. Its adsorption behaviors on MG, MB, CV, RhB are investigated UV–Vis, impacts temperature, dye concentration, contact time between dyes efficiency researched. The kinetics isotherms exhibit that these four more accordance with pseudo‐second‐order kinetic model Langmuir isotherm model, diffusion affected through combined effect intraparticle Boyd membrane diffusion, thermodynamic studies display all spontaneous heat absorption behaviors. prepared @PPy@SA efficient adsorbent field applications.

Язык: Английский

Процитировано

1

Adsorption behaviors and mechanisms by theoretical study of herbicide 2,4,5-Trichlorophenoxyacetic on activated carbon as a new biosorbent material DOI Open Access
Aicha Naboulsi,

L. El Mersly,

Hicham Yazid

и другие.

Journal of the Taiwan Institute of Chemical Engineers, Год журнала: 2022, Номер 142, С. 104640 - 104640

Опубликована: Дек. 23, 2022

Язык: Английский

Процитировано

34

Effective removal of malachite green from local dyeing wastewater using zinc-tungstate based materials DOI Creative Commons

Hassana Ladio Abubakar,

Jimoh Oladejo Tijani,

Ambali Saka Abdulkareem

и другие.

Heliyon, Год журнала: 2023, Номер 9(9), С. e19167 - e19167

Опубликована: Авг. 16, 2023

The frequent use of an industrial dye such as malachite green (MG) has caused major water body deterioration and is one the most pressing global challenges, demanding effective treatment techniques. To solve these issues, a simplistic method was developed to synthesize zinc-tungstate (ZnWO4) nanoparticles also dope surface matrix ZnWO4 using nonmetals boron (B), carbon (C), nitrogen (N) at different ratios for enhanced MG removal from wastewater. prepared nanomaterials were characterized by methods crystal structure composition, properties, morphology, microstructures, functional groups, elemental oxidation states. BET analysis revealed mesoporous with areas 30.740 m2/g ZnWO4, 38.513 ZnWO4@BCN, 37.368 ZnWO4@BCN/B, 39.325 ZnWO4@BCN/C, 45.436 ZnWO4@BCN/N nanocomposites. best accomplished pH (8), contact period (50 min), nanoadsorbent dose (0.8 g/L), initial concentration (20 mg/L), temperature (303 K). maximum adsorption capacities towards 218.645 251.758 mg/g, respectively. At equilibrium, Freundlich isotherm pseudo-second-order kinetic models fits experimental data on both nanoadsorbents. After eight cycles desorption, found be good removing MG, efficiencies 71.00 74.20%, Thermodynamic investigations further validated spontaneity endothermic nature process. All study findings confirm nanoadsorbents exceptional capability economic feasibility dye.

Язык: Английский

Процитировано

23

Efficient removal of cationic dye using ZIF-8 based sodium alginate composite beads: Performance evaluation in batch and column systems DOI

Renuka Garg,

Rana Sabouni

Chemosphere, Год журнала: 2023, Номер 342, С. 140163 - 140163

Опубликована: Сен. 13, 2023

Язык: Английский

Процитировано

22

Hybrid carbonaceous adsorbents based on clay and cellulose for cadmium recovery from aqueous solution DOI Creative Commons

Leila Azaryouh,

Hajar Abara,

Zineb Kassab

и другие.

RSC Advances, Год журнала: 2023, Номер 13(10), С. 6954 - 6965

Опубликована: Янв. 1, 2023

The current work describes the synthesis of carbonaceous composites via pyrolysis, based on CMF, extracted from Alfa fibers, and Moroccan clay ghassoul (Gh), for potential use in heavy metal removal wastewater. Following synthesis, (ca-Gh) material was characterized using X-ray fluorescence (XRF), Scanning Electron Microscopy coupled with Energy Dispersive (SEM-EDX), zeta-potential Brunauer-Emmett-Teller (BET). then used as an adsorbent cadmium (Cd2+) aqueous solutions. Studies were conducted into effect dosage, kinetic time, initial concentration Cd2+, temperature also pH effect. Thermodynamic tests demonstrated that adsorption equilibrium attained within 60 min allowing determination capacity studied materials. investigation kinetics reveals all data could be fit by pseudo-second-order model. Langmuir isotherm model might fully describe isotherms. experimental maximum found to 20.6 mg g-1 261.9 Gh ca-Gh, respectively. thermodynamic parameters show Cd2+ onto investigated is spontaneous endothermic.

Язык: Английский

Процитировано

20