Biosorption of heavy metal ions from contaminated wastewater: an eco-friendly approach

Green Chemistry Letters and Reviews, Год журнала: 2024, Номер 17(1)

Опубликована: Май 31, 2024

Several industries such as leather tanning, coal mining, steel and metal processing are responsible for heavy metals contamination in water. Heavy water can have harmful effects on both aquatic terrestrial animals by entering the food chain. Due to higher toxicity of metals, it is necessary remove ions from There several physio-chemical methods available, including ion exchange, membrane filtration, chemical oxidation, electrochemical methods. However, these some disadvantages like expensive generating byproducts. Biosorption a cost-effective eco-friendly method removal contaminated Biosorbents derived biomasses plant, bacterial, algal, fungal, agro-waste, etc. The biosorbents functional groups their surface providing them high binding capacity ions. Mathematical models isotherms, thermodynamics, kinetic studies help explain how adsorb biosorbents. This review provides comprehensive details source, biosorption also mechanism mathematical models.

Язык: Английский

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Sustainable Bio-Based Adsorbents for Simultaneous and Efficient Removal of Hazardous Dyes from Aqueous Solutions

Toxics, Год журнала: 2024, Номер 12(4), С. 266 - 266

Опубликована: Апрель 1, 2024

Dyes provide a notable environmental issue as result of their intrinsic poisonous and carcinogenic characteristics. An estimated 60,000 metric tons dyes has been discharged into the environment, leading to substantial increase in water pollution. The mitigation these is intricate challenge. primary objective this research conduct comprehensive analysis adsorption cationic containing positively charged groups such sulphonates, amines, triphenylmethanes. study was carried out using four different low-cost adsorbents derived from biowaste, specifically Groundnut Shell (GS), Mosambi Peel (MP), Mango Bark (MBARK), Leaves (ML). adsorbent materials were characterized FTIR, UV–Vis spectroscopy, scanning electron microscopy (SEM), point-of-zero charge (PZC), BET techniques. capacity found be between 1.5 2.2 mg/gm for Shell, Peel, Bark, individual dye removal (Crystal violet, Methylene blue, Rhodamine B, Malachite green). It observed that mango bark showed excellent (%) mono-component system and, thus, explored simultaneous mixture same dyes. MBARK exhibited an overall efficiency 94.44% (Qe = 2.7 mg/g) 60 min. From detailed kinetic investigation, it concluded followed pseudo-second-order model (R2= 0.99963 1 adsorbents) hinting at chemisorption. effect pH analyte solution dosage also studied removal. isothermal studies demonstrated Langmuir (R2 0.99416) best-fitted model, suggesting monolayer adsorption. process predicted governed by ion exchange, electrostatic interaction, hydrogen bonding, pi–pi etc., based on charge, functional groups, adsorbent. Thus, highlights application biowaste potential toxic industrial present wastewater.

Язык: Английский

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Simultaneous Removal of Eriochrome Black T and Chromate Anions from Aqueous Solution Using Functionalized Hybrid Magnetic Polymers

Journal of Polymers and the Environment, Год журнала: 2024, Номер unknown

Опубликована: Сен. 14, 2024

Язык: Английский

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Preparation and characterization of oat hulls-filled-sodium alginate biocomposite microbeads for the effective adsorption of toxic methylene blue dye

International Journal of Biological Macromolecules, Год журнала: 2024, Номер unknown, С. 135800 - 135800

Опубликована: Сен. 1, 2024

Язык: Английский

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Development of a novel treatment strategy for the removal of cadmium from wastewater samples using poly(vinyl alcohol)-based magnetic hydrogel beads

Journal of Nanoparticle Research, Год журнала: 2024, Номер 26(6)

Опубликована: Май 30, 2024

Язык: Английский

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Facile synthesis and optimization of Acacia senegal gum hydrogel for kinetically treated adsorptive removal of targeted industrial effluents

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 279, С. 134879 - 134879

Опубликована: Авг. 22, 2024

Язык: Английский

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From biomass waste to bioaerogels - An alternative sustainable approach for wastewater remediation

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 282, С. 136994 - 136994

Опубликована: Ноя. 2, 2024

Язык: Английский

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Microbial-Derived Biopolymers: A Pathway to Sustainable Civil Engineering

Polymers, Год журнала: 2025, Номер 17(2), С. 172 - 172

Опубликована: Янв. 12, 2025

Modern innovations increasingly prioritize eco-friendliness, aiming to pave the way for a sustainable future. The field of civil engineering is no exception this approach, and, in fact, it associated with almost every development goal framed by United Nations. Therefore, sector has pivotal role achieving these goals. One such innovation exploring possibilities using nature-friendly materials different applications. Biopolymers are substances that produced either chemical synthesis natural or biosynthesizing activities microorganisms. Microbial-derived biopolymers known their non-toxic and characteristics. However, applications mostly restricted biotechnology not fully explored engineering. This article reviews various microbial-derived biopolymers, focusing on types available market, source properties, more importantly, wide range field. Additionally, explores prospects future research potential practical implementation techniques pursuit

Язык: Английский

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Optimal extraction and characterization of alginate-like extracellular polymers (ALE) and proteins from wastewater sludge

Microchemical Journal, Год журнала: 2025, Номер unknown, С. 113033 - 113033

Опубликована: Фев. 1, 2025

Язык: Английский

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Recovery of strategic metals (cobalt, nickel) from lithium-ion batteries through adsorption and desorption: Insights in desorption mechanisms and ultrasound enhancement

Separation and Purification Technology, Год журнала: 2025, Номер unknown, С. 132064 - 132064

Опубликована: Фев. 1, 2025

Язык: Английский

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