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Journal articles on the topic 'Maghnia Bentonite'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Serouri, Abdelhak, Zoubida Taleb, Alberto Mannu, et al. "Decoloration of Waste Cooking Oil by Maghnia Algerian Clays via Ion Exchange and Surface Adsorption." ChemEngineering 9, no. 3 (2025): 50. https://doi.org/10.3390/chemengineering9030050.

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The purification of waste cooking oils (WCOs) through clay-based adsorption is an established recycling method, yet the relationship between clay composition and adsorption efficiency remains an area of active research. The aim of the present research work was to assess the performance of Maghnia bentonite in WCO decoloration and to gain information about the specific refining process. Thus, natural bentonite from the Maghnia region (Algeria) was investigated as an adsorbent for WCO refining for biolubricant production. The adsorption efficiency was evaluated under different conditions, achiev

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2

Benhacine, Fayçal, Farida Yahiaoui, and Assia Siham Hadj-Hamou. "Thermal Stability and Kinetic Study of Isotactic Polypropylene/Algerian Bentonite Nanocomposites Prepared via Melt Blending." Journal of Polymers 2014 (April 16, 2014): 1–9. http://dx.doi.org/10.1155/2014/426470.

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Isotactic polypropylene (iPP)/bentonite nanocomposites were prepared via melt blending using bentonite clay originated from Maghnia (Algeria). This clay was, at a first stage, used in its pure form (PBT) and then organically modified by Hexadecyl ammonium chloride (OBT). The effect of Maghnia bentonite dispersion on the iPP matrix was investigated by X-ray diffraction (XRD) and transmission electronic microscopy (TEM). DSC results evidenced that unmodified or organomodified bentonite can act as a nucleating agent increasing the rate of crystallites formation. Moreover, a thermogravimetry analy

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3

Meçabih, Z., S. Kacimi, and B. Bouchikhi. "Adsorption des matières organiques des eaux usées urbaines sur la bentonite modifiée par Fe(III), Al(III) et Cu(II)." Revue des sciences de l'eau 19, no. 1 (2006): 23–31. http://dx.doi.org/10.7202/012261ar.

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Résumé Une argile naturelle, la bentonite de Maghnia (ouest d’Algérie), a été purifiée et caractérisée par calcination, pH‑métrie, IR, XRD et SEM. Les résultats obtenus ont montré que l’argile a une conductance de 66,4 µS, une capacité d’échange cationique (CEC) de 0,91 méq/g et contient 12 % de matières organiques. Les caractérisations par IR, XRD et SEM ont montré que la bentonite de Maghnia (B) est composée de quartz comme impureté majeure, d’illite (7 %) et principalement de montmorillonite. Cette argile a été saturée au sodium (Na+) et associée au fer (III), à l’aluminium (III) et au cuiv

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4

Mohammedi, N., F. Zoukrami, and N. Haddaoui. "Preparation of Polypropylene/Bentonite Composites of Enhanced Thermal and Mechanical Properties using L-leucine and Stearic Acid as Coupling Agents." Engineering, Technology & Applied Science Research 11, no. 3 (2021): 7207–16. http://dx.doi.org/10.48084/etasr.4148.

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The compatibilization of raw bentonite (bent) with a polymer matrix of polypropylene (PP) can improve the performance of the material in terms of thermal and mechanical properties. In this study, two kinds of untreated bentonite, bentonite-Maghnia (bent-m) and bentonite-Mostaganem (bent-M), that differ in the proportion of Al2O3 and in the particle size distribution were coupled to typical maleic anhydride grafted polypropylene PP-MA. Stearic Acid (SA) and L-leucine Amino Acid (AA) were selected as new coupling modifiers at a 5/5 ratio of bentonite/coupling agent. All PP/bent composites were p

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5

Sara, Ghezali, Mahdad-Benzerdjeb Amina, Ameri Mohamed, and Zahira Bouyakoub Amel. "Adsorption of 2,4,6-trichlorophenol on bentonite modified with benzyldimethyltetradecylammonium chloride." Chemistry International 4, no. 1 (2018): 24–32. https://doi.org/10.5281/zenodo.1475322.

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The objective of this study is to evaluate the performance and capacities of the bentonite of Maghnia, modified with benzyldimethyltetradecylammonium chloride, to remove the organic pollutant 2,4,6-Trichlorophenol (TCP). The modified sample was studied by X-ray diffraction (XRD) technique, infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA) methods. The best removal rate (99.52%) was obtained at 19°C, pH 4, solution concentration of 50 mg/L, stirring speed of 180 rpm and contact time of 60 min. The results were well fitted by both Langmuir and Freundlich isotherm models and

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6

Ouamrouche, Amal, Abdelbaki Benmounah, and Khaled Benyounes. "Preliminary Evaluation of Diclofenac Gel and Emulgel Formulated using Bentonite as a Gelling Agent." Hungarian Journal of Industry and Chemistry 53, no. 1 (2025): 67–72. https://doi.org/10.33927/hjic-2025-08.

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In this work, a bentonite from Maghnia (northwestern Algeria) was used as a gelling agent in gel and emulgel formulations. The percentage of Na-bentonite in the formulations was fixed at 5%. The physical appearance of the formulated gel and emulgel was characterized before determining their pH, viscosity and swelling index. A rheological analysis demonstrated the characteristic shear thinning and viscoelastic behavior of the formulations using thixotropy. Stability studies showed that the physical appearance and rheological properties of the prepared gel and emulgel remained unchanged having b

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7

Bouazza, Faiza, Belkacem Benguella, and Sarah Soussi. "Elimination of pesticides by natural and modified clays." Canadian Journal of Chemistry 96, no. 11 (2018): 975–83. http://dx.doi.org/10.1139/cjc-2018-0148.

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The objective of this study is the variation of natural and modified clays and their use in industrial waste treatment. For this purpose, we carried out several elimination tests of the effluents by adsorption by using two natural clays from different deposits, namely bentonite located in Maghnia and Djabel Debbagh of Ain Berbar and bentonite coupled with cellulose. The adsorption test was performed on a Decis pesticide. The clays that we tested, in the natural state and in the modified state, are the object of a mineralogical and physicochemical characterization by various techniques of analy

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8

Benamor, Ahmed, Cheikh Kadiri, Yazid Derouiche, and Ameur Ouali. "Investigating the thermal behavior and dehydroxylation kinetics of bentonite: isothermal and non-isothermal study." High Temperatures-High Pressures 53, no. 4 (2024): 289–308. http://dx.doi.org/10.32908/hthp.v53.1505.

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This paper aims to study the crystallization kinetics of local bentonite taken from the Maghnia region of Algeria after conducting the toasting process to powder with different temperature degrees 200, 400, 500, 700, 800, 900, 1000°C and 1100°C. The material was examined by differential thermal analysis (DTA) at different heating rates (10–50°C/min), and X ray diffraction (XRD). We used also Infrared Spectroscopy to detect the vibrations characteristic of the chemical bonds and to analyze the molecules forming the material. Scanning electron Microscopy (SEM) has been used to investigate the be

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9

Houria Rezala, Houria Rezala, Houda Douba Houda Douba, and Horiya Boukhatem and Amaya Romero Horiya Boukhatem and Amaya Romero. "Adsorption of Methylene Blue by Hydroxyl-Aluminum Pillared Montmorillonite." Journal of the chemical society of pakistan 42, no. 4 (2020): 550. http://dx.doi.org/10.52568/000673.

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A purified raw montmorillonite and hydroxy-aluminum pillared montmorillonite have been prepared from a natural bentonite from Maghnia, Algeria. These materials have been analyzed by X-ray fluorescence spectroscopy, X-ray diffraction, Infrared spectroscopy and nitrogen adsorption-desorption measurement. The pillared montmorillonite provided a certain increase of interlayer basal spacing and BET surface area and consequently the improvement of its capacities adsorption and decolorization of Methylene Blue. The adsorption properties of these materials were studied as a function of contact time, s

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10

Houria Rezala, Houria Rezala, Houda Douba Houda Douba, and Horiya Boukhatem and Amaya Romero Horiya Boukhatem and Amaya Romero. "Adsorption of Methylene Blue by Hydroxyl-Aluminum Pillared Montmorillonite." Journal of the chemical society of pakistan 42, no. 4 (2020): 550. http://dx.doi.org/10.52568/000673/jcsp/42.04.2020.

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A purified raw montmorillonite and hydroxy-aluminum pillared montmorillonite have been prepared from a natural bentonite from Maghnia, Algeria. These materials have been analyzed by X-ray fluorescence spectroscopy, X-ray diffraction, Infrared spectroscopy and nitrogen adsorption-desorption measurement. The pillared montmorillonite provided a certain increase of interlayer basal spacing and BET surface area and consequently the improvement of its capacities adsorption and decolorization of Methylene Blue. The adsorption properties of these materials were studied as a function of contact time, s

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11

Taibi, Zohra, Kahina Bentaleb, Zohra Bouberka, et al. "Adsorption of Orange G Dye on Hydrophobic Activated Bentonite from Aqueous Solution." Crystals 13, no. 2 (2023): 211. http://dx.doi.org/10.3390/cryst13020211.

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This report focusses on the modification of physical structure and chemical properties of a bentonite clay from the Hammam Boughrara region of the Maghnia district in western Algeria to maximize its adsorption capacity. The purified bentonite clay (called B) was modified, either by acid activation with 1M sulfuric acid (B-Act), or by intercalation with the cationic surfactant cetytrimethyl ammonium bromide (CTAB), applying a cation exchange capacity (CEC) of 100% (called B-CTAB). Modification of B was also introduced by combining these two steps consecutively, i.e., at first acid activation of

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12

Ouaad, Kamal, and Saïd Djadoun. "Elaboration and thermal analysis of nanocomposites based on poly(methyl methacrylate-co-4-vinylpyridine) and Maghnia bentonite." Journal of Applied Polymer Science 129, no. 4 (2013): 2029–35. http://dx.doi.org/10.1002/app.38915.

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13

EL AHMAR, Radjaa, Charef HARRATS, Djillali BASSOU, and Soufi KACIMI. "Heterogeneous transesterification of castor oil for biodiesel production by Al2O3, Al2O3-NiO and Al2O3-CoO modified bentonite as catalyst." Revue Roumaine de Chimie 65, no. 9 (2020): 825–37. http://dx.doi.org/10.33224/rrch.2020.65.9.09.

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Bentonite clay from Maghnia (Algeria), very rich in montmorillonite (~ 90 %) purified and intercalated with pillars Al2O3, Al2O3-NiO and Al2O3-CoO, was applied as catalyst for the conversion of a mixture of castor oil-ethanol to biodiesel. The pillared clay with Al2O3-CoO (10%) led to 98% ester conversion. The highest yield of biodiesel production was obtained at 1/15 molar ratio of oil/ethanol, a temperature of 250 °C and 7.5 wt% of catalyst. This behaviour was ascribed to a synergetic effect of the largest surface area developed in the clay and the highest catalytic activity of cobalt in bas

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14

Boukhemkhem, Ali, Alejandro H. Pizarro, and Carmen B. Molina. "Enhancement of the adsorption properties of two natural bentonites by ion exchange: equilibrium, kinetics and thermodynamic study." Clay Minerals 55, no. 2 (2020): 132–41. http://dx.doi.org/10.1180/clm.2020.19.

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ABSTRACTIn this investigation, Maghnia (Ma) and Mostaganem (Ms) bentonite clays, mined from west Algeria, with no prior affinity for anionic dyes, were modified by simple ion exchange with aqueous Fe3+ solutions, followed by calcination at 500°C. The resulting materials, Fe-Ma and Fe-Ms, respectively, were employed as adsorbents for methyl orange. The starting materials and the two adsorbents were characterized by X-ray diffraction, N2 adsorption–desorption isotherms, Brunauer–Emmett–Teller specific surface area and X-ray fluorescence and by determining the point of zero charge. The effects of

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15

Boumahdi, Nacéra, Amel Hadj-Ziane-Zafour, Hafsa Yaiche-Achour, and Hussein Khalaf. "Preparation of Bi2O3/TiO2–Montmorillonite Nanocomposites and Their Applications to the Photodegradation of Pentachlorophenol." Bulletin of Chemical Reaction Engineering & Catalysis 17, no. 1 (2021): 78–87. http://dx.doi.org/10.9767/bcrec.17.1.12421.78-87.

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In the past decades, there has been a growing tendency to study the different techniques that can increase the photocatalytic efficiency as well as recyclability of new products “photocatalysts” for water treatment. In this last research the effect of bismuth addition to titanium was investigated. Bi/Ti-pillared montmorillonites have been prepared from natural Algerian bentonite exactly from deposits of Maghnia situated in the west side of the country. These nanocomposites were characterized by X-ray diffraction (XRD), Brunauer-Emmet-Teller (BET), scanning electron microscopy (SEM) methods, an

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16

Boucheta, Abbes, Mohamed Boucharef, Mohammed Amin Chemrak, et al. "Study of kinetic and equilibrium reactions for the removal of 4-aminophenols by lanthanum-enhanced montmorillonite." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 3 (2024): e12791. https://doi.org/10.54021/seesv5n3-080.

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This research investigates the development and structural analysis of lanthanum-modified montmorillonite (La-MMT) as an efficient adsorbent for the removal of 4-aminophenol, a harmful contaminant in water systems. Bentonite sourced from Maghnia, Algeria, was subjected to purification and functionalization with lanthanum to improve its adsorption capabilities. The incorporation of lanthanum into the montmorillonite framework was verified using X-ray diffraction (XRD) and Fourier-transform infrared spectroscopy (FT-IR). The adsorption behavior of La-MMT was assessed under various experimental pa

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17

Ouaad, Kamel, Saïd Djadoun, Hafida Ferfera-Harrar, Nicolas Sbirrazzuoli та Luc Vincent. "Synthesis and thermal behavior of poly(methyl methacrylate)/Maghnia bentonite nanocomposite prepared at room temperature via in situ polymerization initiated by a new Ni(II)α-benzoinoxime complex". Journal of Applied Polymer Science 119, № 6 (2010): 3227–33. http://dx.doi.org/10.1002/app.32872.

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18

Mahi Hanane, Benmoussa, and Mohammed Issam Ferrahi. "Synthesis of Copolymer from 1,3,5-Trioxane and -Caprolactone Catalysed by Treated Bentonite as Eco-Catalyst." Chemistry & Chemical Technology 17, no. 1 (2023): 81–87. http://dx.doi.org/10.23939/chcht17.01.081.

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This study presents a novel green method for copolymerizing 1,3,5-trioxane (TOX) with ε caprolactone (CL). This technique uses Maghnite-H+ (Mag-H+) as a bulk green catalyst. Various techniques were used to confirm the structure of the resulting copolymer. The influencing factors on the copolymerization reaction were also studied. The results show that the best copolymer yield (46.3 %) was obtained via bulk copolymerization at a temperature of 353 K for a reaction time of 8 h.

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19

Embarek, Nadia, and Nabahat Sahli. "A Novel Green Synthesis Method of Poly (3-Glycidoxypropyltrimethoxysilane) Catalyzed by Treated Bentonite." Bulletin of Chemical Reaction Engineering & Catalysis 15, no. 2 (2020): 290–303. http://dx.doi.org/10.9767/bcrec.15.2.6568.290-303.

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The present work focuses on the preparation and characterization of poly(3-Glycidoxypropyltrimethoxysilane) (PGPTMS) under mild conditions. Ring-opening polymerization of the 3-Glycidoxypropyltrimethoxysilane (GPTMS) is initiated with the bentonite of Maghnite-H+ (Mag-H+), an ecologic and low-cost catalyst. The evolution of epoxy ring-opening was studied in bulk and in solution using CH2Cl2 as solvent, as well as the influences of several factors such as the amount of Mag-H+, polymerization time and temperature on the yield of polymer were investigated. The best polymer yield (30 %) was obtain

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20

Benkhelifa, M., M. Belkhodja, Y. Daoud, and D. Tessier. "Effects of Maghnian Bentonite on Physical Properties of Sandy Soils Under Semi-Arid Mediterranean Climate." Pakistan Journal of Biological Sciences 11, no. 1 (2007): 17–25. http://dx.doi.org/10.3923/pjbs.2008.17.25.

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21

Benkhelifa, M. "Effects of Maghnian Bentonite on Physical Properties of Sandy Soils Under Semi-Arid Mediterranean Climate." Pakistan Journal of Biological Sciences 11, no. 1 (2008): 17–25. http://dx.doi.org/10.3830/pjbs.2008.17.25.

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22

Kherroub, Djamal Eddine, Mohammed Belbachir, and Saad Lamouri. "Activated bentonite (Maghnite-H+) as green catalyst for ring-opening polymerization of 1,3,5,7-tetravinyltetramethylcyclotetrasiloxane." Research on Chemical Intermediates 43, no. 10 (2017): 5841–56. http://dx.doi.org/10.1007/s11164-017-2966-8.

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23

Boucheta, Abbes, Soufi Kacimi, and Razika Bared. "Preliminary Study on Benzoic Acid Adsorption from Crude Active Coals and Bentonite." Aceh International Journal of Science and Technology 5, no. 1 (2016). http://dx.doi.org/10.13170/aijst.5.1.3846.

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We studied the adsorption of pollutant benzoic acid by the modified bentonite of Maghnia (west of Algeria), and coal (Coal from the mines, southwest of Algeria, Bechar area) under three forms, crude and activated. Kinetic data show that the balance of bentonite (as amended) adsorbs organic acids better than activated and raw coal. Indeed, the intercalation of bentonite with benzoic acid causes an improvement in the texture of porous material, which allows its use in the adsorption of organic compounds. The adsorption isotherms (Langmuir and Freundlich) indicate that the adsorption of benzoic a

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24

Babahoum, Nabil, and Malek Ould Hamou. "Characterization and purification of Algerian natural bentonite for pharmaceutical and cosmetic applications." BMC Chemistry 15, no. 1 (2021). http://dx.doi.org/10.1186/s13065-021-00776-9.

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Abstract Introduction Bentonitic clays from the Hammam Boughrara deposit in the Maghnia area (northwestern Algeria) were studied by mineralogical, chemical and physicochemical characterization to evaluate their potential suitability as raw and purified materials in pharmaceutical and cosmetic applications. Methodology Natural bentonite was purified by Na+ ion exchange treatment combined with sedimentation techniques. Before use in the pharmaceutical industry, bentonite samples must be safe and conform to recommendations and directives of pharmacopeia. A set of technological tests were investig

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25

Belaidi, Noureddine, Hajer Azzi, Sanaa El-Korso, Abderrahim Choukchou-Braham, and Abdelkader Nebatti-Ech Chergui. "Unlocking the potential of V/Ti-AAC: a promising eco-friendly catalyst for cyclohexene epoxidation." Clays and Clay Minerals 72 (2024). http://dx.doi.org/10.1017/cmn.2024.10.

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Abstract Bentonite is an abundant natural resource in the Maghnia region of Algeria that may have potential value in catalysis, but heretofore has been considered of low value for this purpose due to its low acidity and low catalytic activity. Low cost is one of the main criteria for choosing a suitable material for catalysis. Because bentonite is abundant and low-cost, its use as a starting material for the preparation of catalysts deserves reconsideration. The present study was undertaken, therefore, to optimize the performance of bentonite as a catalyst in one of the most promising reaction

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26

"Study of behavior on Na activated Ca-bentonite of Maghnia by free swell index test treated cement and Swell potential of clays of Mars El Kebir treated pozzolan." Algerian Journal of Research and Technology 1, no. 1 (2017). https://doi.org/10.58681/ajrt.17010104.

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27

Kherroub, Djamal Eddine, Mohammed Belbachir, Saad Lamouri, and Karim Chikh. "Acid-activated bentonite (Maghnite- $$\hbox {H}^{+})$$ H + ) as a novel catalyst for the polymerization of decamethylcyclopentasiloxane." Bulletin of Materials Science 41, no. 2 (2018). http://dx.doi.org/10.1007/s12034-018-1563-9.

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