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Item Comparative study of biosorption of Cu+2, Ni+2, Cd+2, Zn+2 and Co+2 ions on the Pleurotus mutilus biomass(Université M'hamed Bougara de Boumerdès, 2018) Madani, A.; Selatnia, A.; Chergui, A.; Yeddou, A.R.; Nadjemi, B.In this study the biomass Pleurotus mutilus was used for the biosorption of Cu2+, Ni2+, Cd2+, Zn+2 and Co+2 ions. The effect of different parameters such as contact time, adsorbate concentration, pH of the medium and temperature were investigated. The sorption capacities were in the order of Cd2+ > Zn+2 > Co+2 >Cu2+ > Ni2+ . This order can be explained by their different values of affinities respectively. In order to prediction of the rate controlling step(external or internal mass transfer) , Boyd model was used in all case. Results showed that the external mass transfer is the rate controlling step. Different thermodynamic parameters such as enthalpy and entropy and change in standard free energy have also been evaluated and it has been found that the reaction was spontaneous and exothermic in nature. The Freundlich, Langmuir, Temkin and Dubinin-Raduskuvich adsorption models were used for the mathematical description of the biosorption equilibrium.Item Biosorption of zinc (II) from synthetic wastewater by using Inula Viscosa leaves as a low-cost biosorbent : experimental and molecular modeling studies(Elsevier, 2023) Rouibah, Karima; Ferkous, Hana; Delimi, Amel; Himeur, Touhida; Benamira, Messaoud; Zighed, Mohammed; Darwish, Ahmad S.; Lemaoui, Tarek; Yadav, Krishna Kumar; Bhutto, Javed Khan; Ahmad, Akil; Benguerba, YacineThe use of biosorption as a strategy for lowering the amount of pollution caused by heavy metals is particularly encouraging. In this investigation, a low-cost and efficient biosorbent, Inula Viscosa leaves were used to remove zinc ions (Zn2+) from synthetic wastewater. A Fourier transform infrared spectroscopy experiment, a scanning electron microscopy experiment, and an energy dispersive X-ray spectroscopy experiment were used to describe the support. Several different physicochemical factors, such as the beginning pH value, contact duration, initial zinc concentration, biosorbent dose, and temperature, were investigated in this study. When the Langmuir, Freundlich, Temkin, Toth, and Redlich-Peterson models were used to match the data from the Inula Viscosa leaves biosorption isotherms, it was found that the biosorption isotherms correspond most closely with the Langmuir isotherm. On the other hand, the kinetic biosorption process was investigated using pseudo-first-order, pseudo-second-order (PS2), and Elovich models. The PS2 model was the one that provided the most accurate description of the biosorption kinetics. The thermodynamics process shows the spontaneous and endothermic character of Zn2+ sorption on Inula Viscosa leaves, which also entails the participation of physical interactions. In addition, the atom-in-molecule analysis, density functional theory, and the conductor like screening model for real solvents, were used to investigate the relationship that exists between quantum calculations and experimental outcomesItem Biosorption of hexavalent chromium and Congo red dye onto Pleurotus mutilus biomass in aqueous solutions(Springer Science and Business Media Deutschland GmbH, 2021) Alouache, A.; Selatnia, A.; Sayah, Houssem Eddine; Khodja, M.; Moussous, S.; Daoud, N.With the significantly increasing pharmaceutical and antibiotics industry in Algeria, the elimination of biomass is of utmost importance since the latter represents a large part of waste from the manufacturing process. In this work, the elimination of hexavalent chromium Cr (VI) and Congo red dye is part of the Pleurotus mutilus biomass recovery process. Thus, biosorption has been studied in a discontinuous system. Optimal conditions were estimated by variations in contact time, temperature, initial pollutant concentrations, and simultaneous removal of both pollutants. The greatest uptake capacities achieved were 36.68 mg/g of and 15.08 mg/g of Cr(VI). The initial concentrations of both pollutants being equal to 50 mg/l, for a duration time of 180 min and a temperature of 300 K. Based on the values of the coefficient of determination R2, χ2, and ARE, the isothermal equilibrium data were better represented by Freundlich, Temkin, and Dubinin-Radushkevich models. The kinetic biosorption of the two pollutants was well described using the pseudo-first-order model. The biosorption process is controlled by external mass transfer. The physical process in nature of Cr(VI) and (CR) biosorption has been justified based on the values obtained of ΔG° and ΔH°. Globally, this work demonstrates the considerable potential of Pleurotus mutilus for the elimination of anionic pollutants. Research results indicate that this biomass, a waste material, first destined for incineration, was recovered without any treatment. Due to its low cost, it could serve as an inexpensive source for recovering heavy metals and dyes from dilute contaminated water. © 2021, Islamic Azad University (IAU)Item Performance of Streptomyces rimosus biomass in biosorption of heavy metals from aqueous solutions(Elsevier, 2018) Sahmoune, Mohamed NasserThe removal of heavy metals by Streptomyces rimosus has been the subject of many investigations. This review paper focuses on the removal of heavy metals from aqueous solution through Streptomyces rimosus, produced from pharmaceutical industry as solid waste, as adsorbent, and discusses the effect of various process parameters like pH, temperature, metal concentration etc., on the metal removal efficiency of this bacterium. The paper also evaluates the different kinetic, equilibrium, and thermodynamic models used in Streptomyces rimosus sorption of heavy metals. Biomass characterization and sorption mechanisms as well as elution of metal ions are also discussed. The literature revealed that Streptomyces rimosus had a good affinity for binding lead and iron compared with other heavy metals. The adsorption of heavy metals is well described by Langmuir isotherm, which expresses the existence of monolayer adsorption. The kinetic data followed both pseudo first order and pseudo second order models. Thermodynamic studies showed spontaneous and exothermic nature of the sorption processes in most case. Dilute acids (HCl and H2SO4) are quite effective in desorption of heavy metals. Ion exchange played the chief role in the adsorption mechanism of metal, and carboxyl groups are mainly involved in this mechanismItem Biosorption of Congo red dye by Aspergillus carbonarius M333 and Penicillium glabrum Pg1 : Kinetics, equilibrium and thermodynamic studies(Elsevier, 2017) Bouras, Hadj Daoud; Yeddou, Ahmed Réda; Bouras, Noureddine; Hellel, Djamila; Holtz, Michael D.; Sabaou, Nasserdine; Chergui, Abdelmalek; Nadjemi, BoubekeurItem Investigation of swelling/adsorption behavior of calcium alginate beads(2016) Belalia, Fatiha; Djelali, Nacer-EddineItem Studies of chromium removal from tannery effluents by dead streptomyces rimosus(2008) Sahmoune, Mohamed Nasser; Louhab, Krim; Boukhiar, AissaItem Biosorption of Cr (III) from aqueous solutions using bacterium biomass Streptomyces rimosus(2009) Sahmoune, Mohamed Nasser; Louhab, K.; Boukhiar, A.Item Kinetic analysis of trivalent chromium biosorption by dead streptomyces rimosus biomass(2010) Sahmoune, Mohamed Nasser; Louhab, K.Item Advanced biosorbents materials for removal of chromium from water and wastewaters(American Institute of Chemical Engineers, 2011) Sahmoune, Mohamed Nasser; Louhab, Krim; Boukhiar, Aissa