We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Application of Magnetic Biochar@Alginate Composite as Adsorbent for Effective Removal of Methylene Blue from Aqueous Media
Summary
Researchers synthesized a magnetic biochar-alginate composite (mBC@Alg) adsorbent for methylene blue removal from aqueous solutions, characterizing it via FTIR and SEM, and determining through batch adsorption experiments that the material follows Langmuir isotherm behavior with a maximum adsorption capacity of 416.67 mg/g and fits a pseudo-second-order kinetic model.
In recent years, magnetic biochar has been widely used for the removal of dyes in polluted water due to its magnetic separation abilities and has been used as composite adsorbents by incorporating different biomasses into its structure for the removal of such pollutants. In this study, a new composite magnetic biochar@alginate composite (mBC@Alg) was synthesized as an alternative adsorbent for the removal of methylene blue (MB) from aqueous solutions. The primary focus of this intensive preparation procedure is on the synthesis, characterization, and optimization of the mBC@Alg for enhanced MB adsorption capacity. The composite material was characterized using FT-IR analysis and scanning electron microscopy (SEM). Batch adsorption studies experiments were performed to determine the removal efficiencies, pH, adsorbent dose, contact time and initial concentration of MB molecules. Various adsorption isotherms such as Freundlich, Langmuir, Scathard and Dubinin-Radushkevich were used to describe the adsorption behavior at equilibrium. The Langmuir adsorption isotherm was identified as the most appropriate model to explain the observed adsorption phenomena, and the adsorption capacity of mBC@Alg for MB was determined to be 416.67 mg/g using this isotherm. Kinetic studies were carried out using pseudo-first-order and pseudo-second-order kinetic models and it was concluded that the experimental data fit well with the second-order kinetic model. The adsorbent properties of the mBC@Alg composite are particularly effective in removing MB molecules from aqueous solutions.
Sign in to start a discussion.
More Papers Like This
Fabrication and Characterization Fe3O4/Humic Acid for the Efficient Removal of Malachite Green
Researchers synthesized magnetite/humic acid composites (Fe3O4/HA) and tested their ability to remove malachite green dye from water, finding effective adsorption following pseudo-second-order kinetics. The magnetic material offers an environmentally friendly approach to removing dye pollutants from water.
Zero-valent iron supported-lemon derived biochar for ultra-fast adsorption of methylene blue
Researchers developed a nano zero-valent iron supported on lemon-derived biochar composite for ultra-fast adsorption of methylene blue dye from water, demonstrating its effectiveness as an ecofriendly and low-cost adsorbent for water treatment.
Preparation and Modification of Rape Straw Biochar and Its Adsorption Characteristics for Methylene Blue in Water
Researchers prepared and NaOH-modified rape straw biochar for methylene blue removal from water, finding that the modified biochar achieved significantly higher dye adsorption capacity due to increased aromaticity, hydrophilicity, and polarity compared to unmodified biochar.
Selective Removal of Anionic and Cationic Dyes Using Magnetic Composites
Researchers synthesized a composite material combining zinc-aluminum layered double hydroxide with magnetic biochar and tested it for removing dyes from water. The composite effectively adsorbed both positively and negatively charged dyes, and its magnetic properties allowed easy recovery from solution. The study demonstrates that this type of composite adsorbent could be a practical, reusable tool for treating dye-contaminated wastewater.
Efficient Removal of Micro-Sized Degradable PHBV Microplastics from Wastewater by a Functionalized Magnetic Nano Iron Oxides-Biochar Composite: Performance, Mechanisms, and Material Regeneration
Researchers developed a magnetic iron oxide-biochar composite capable of removing biodegradable PHBV microplastics from wastewater with over 98% efficiency. The material worked through a combination of surface adsorption and magnetic separation, maintained performance across a wide pH range, and retained over 92% removal efficiency after four regeneration cycles.