Chitosan/Ag-Bentonite Nanocomposites: Preparation
In the present work, Chitosan/bentonite, Chitosan/Ag-bentonite and Chitosan/AgNPs-bentonite composite materials were prepared and shaped in form of beads, and characterized using several methods. After that, their thermal stability, swelling properties and antibacterial and antifungal activity were evaluated. In the case of Chitosan/AgNPs-bentonite, the XRD analysis confirms the partial
Chitosan-Based Adsorbents for Wastewater Treatment Ed. Abu Nasar Materials Research Foundations Volume 34 Publication Date 2025, 286 Pages Print ISBN 9781945291746 (release date July 1st, 2025) ePDF ISBN 9781945291753 DOI: 10.21741/9781945291753. Chitosan is a natural amino polymer.
Chitosan/Bentonite Nanocomposites for Wastewater Treatment
Industrial, agricultural or domestic wastewater contain many pollutants such as inorganic, organic compounds and pathogenic microorganisms. These pollutants include inorganic, organic compounds and pathogenic microorganisms that are dangerous to
The multifunctionality and excellent properties of the synthesized nanocomposites (chemical and thermal stability, mesoporous structure, high surface area and abundance of functional groups present on the surface) making it promising to be utilized as adsorbent for wastewater treatment. 12.4.4. Chitosan Nanocomposites for Dyes Removal and
Hybrid porous magnetic bentonite-chitosan beads
Easy-to-obtain magnetic bentonite-chitosan hybrid beads (Bn-CTS) were prepared by immobilizing bentonite within a porous structure of chitosan beads to achieve a hybrid adsorption effect for the removal of cesium ion (Cs +) from water.The hybrid adsorbent, which had a porous structure and abundant binding sites contributed by both chitosan and bentonite, ensured superb adsorption characteristics.
Wang X, Yang L, Zhang J, Wang C, Li Q (2014) Preparation and characterization of chitosan–poly (vinyl alcohol)/bentonite nanocomposites for adsorption of Hg (II) ions. Chem Eng J 251:404–412 CrossRef
Nanocomposites in Wastewater Treatment - 1st Edition
Nanocomposites have better adsorption capacity, selectivity, and stability than nanoparticles. Therefore, they find diversified applications in many areas. Recently, various methods for heavy metal detection from water have been extensively studied. The adsorption of various pollutants such as heavy
The use of nanocomposites for food contact surfaces has become an area of intensive research. More accurately, the antimicrobial potential of metals and their oxides currently employed as well as their consequences on the mechanical and thermal properties on packaging has been studied at length.
C | Free Full-Text | Activated Carbon, Carbon Nanotubes
To ensure the availability of clean water for humans into the future, efficient and cost-effective water purification technology will be required. The rapidly decreasing quality of water and the growing global demand for this scarce resource has driven the pursuit of high-performance purification materials, particularly for application as point-of-use devices.
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purifiion of raw bentonite - cleaningbeeckaert.be
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- What factors affect the flocculation effect of cationic polyacrylamide (CPAM)?
- Cationic polyacrylamide (CPAM) is a commonly used flocculant for water treatment. Factors that affect the flocculation effect and can be controlled manually include the type and dosage of CPAM, wastewater pH, stirring time and settling time, and their reasonable setting is critical to the flocculation effect of CPAM.
- What is cationic polyacrylamide (CPAM)?
- Cationic polyacrylamide (CPAM) is one of the most frequently used flocculants with high intrinsic viscosity and charge density. This flocculant is a water-soluble acrylamide-based polymer having cationic quaternary ammonium groups .
- How cationic polyacrylamide (PAMC) is prepared?
- Flocculation and mechanism was discussed based on zeta potential and pH analysis. A novel cationic polyacrylamide (PAMC) with various cationic monomer contents were prepared by copolymerizing acrylamide (AM) and methacryloxyethyl trimethyl ammonium chloride aqueous solution (DMC) through low-pressure ultraviolet (UV) initiation.
- Can cationic polyacrylamide flocculants be used to treat oily water?
- Shu, G., Bu, K., Zhao, B. & Zheng, S. Evaluation of newly developed reverse demulsifiers and cationic polyacrylamide flocculants for efficient treatment of oily produced water. Colloids Surf. A 610, 125646 (2021). This work was supported by grants from the “Qihang Program” of the Southwest Petroleum University (2025QHZ001) awarded to C.Z.
