Trichoderma aureoviride hyphal pellets embedded in corncob-sodium alginate matrix for efficient uranium(VI) biosorption from aqueous solutions

Water Science and Engineering, Journal Year: 2024, Volume and Issue: unknown

Published: June 1, 2024

The discharge of effluents containing uranium (U) ions into aquatic ecosystems poses significant risks to both human health and marine organisms. This study investigated the biosorption U(VI) from aqueous solutions using corncob-sodium alginate (SA)-immobilized Trichoderma aureoviride hyphal pellets. Experimental parameters, including initial solution pH, concentration, temperature, contact time, were systematically examined understand their influence on bioadsorption process. Results showed that corncob-SA-immobilized T. pellets exhibited maximum capacity at an pH 6.23 a time 12 h. equilibrium data aligned with Langmuir isotherm model, 105.60 mg/g 301 K. Moreover, kinetics followed pseudo-second-order kinetic model. In terms thermodynamic changes in Gibbs-free energy (ΔG°) determined be −4.29 kJ/mol K, enthalpy (ΔH°) 46.88 kJ/mol, entropy (ΔS°) was 164.98 J/(mol∙K), s. Notably, adsorbed could efficiently desorbed Na2CO3, readsorption efficiency 53.6%. Scanning electron microscopic (SEM) analysis revealed ion binding onto pellet surface. underscores efficacy as cost-effective environmentally favorable biosorbent material for removing ecosystems.

Language: Английский

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Mechanism of Biological Transport and Transformation of Copper, Cadmium, and Zinc in Water by Chlorella

Water, Journal Year: 2024, Volume and Issue: 16(13), P. 1906 - 1906

Published: July 3, 2024

This study investigates the effectiveness of Chlorella vulgaris in treating copper, cadmium, and zinc aqueous solutions; aim this was to examine effects various factors on adsorption capacity water. explored intra- extracellular accumulation patterns copper (Cu(II)), cadmium (Cd(II)), (Zn(II)), revealing their molecular response mechanisms under most suitable conditions. The Cu(II), Cd(II), Zn(II) water 93.63%, 73.45%, 85.41%, respectively. mechanism for heavy metals is governed by both intracellular diffusion, with absorption serving as a supplement external uptake predominating. XRD, XPS, FTIR, SEM-EDX, TEM-EDX analyses showed that there would be formation precipitates such Cu2S, CuS2, CdS, ZnSO4. Cu(II) involves its simultaneous reduction Cu(I). Moreover, specific functional groups present cellular surface, amino, carboxyl, aldehyde, ether groups, interact metal ions. In view efficient biosafety, recommends potential biosorbent bioremediation environmental treatment contaminated future.

Language: Английский

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Photosystem Modulation and Extracellular Silicification in Green Microalgae: Key Strategies for Lead Tolerance and Removal

Heliyon, Journal Year: 2024, Volume and Issue: 10(16), P. e36366 - e36366

Published: Aug. 1, 2024

The escalating contamination caused by lead ions (Pb

Language: Английский

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Effective organic matter removal via bio-adsorption prior to anammox process and utilization of carbon-rich sludge

Journal of Environmental Management, Journal Year: 2024, Volume and Issue: 373, P. 123777 - 123777

Published: Dec. 18, 2024

Language: Английский

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Uptake of lead, cadmium and copper by heavy metal-resistant Pseudomonas aeruginosa strain DR7 isolated from soil

World Journal of Microbiology and Biotechnology, Journal Year: 2024, Volume and Issue: 40(12)

Published: Nov. 21, 2024

Language: Английский

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