Enhanced Adsorption of Methylene Blue Dye on Functionalized Multi-Walled Carbon Nanotubes

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(6), P. 522 - 522

Published: March 14, 2024

Carbon nanomaterials are promising adsorbents for dye removal from wastewater also due to their possible surface functionalization that, in principle, can increase the adsorption rate and provide regeneration. To investigate real advantages of functionalization, we synthesized characterized through IR, TGA, TEM, XPS DLS measurements a multi-walled carbon nanotube (MWCNT) derivative bearing benzenesulfonate groups (MWCNT-S). The obtained material demonstrated have good dispersibility water better capability adsorb methylene blue (MB) compared pristine MWCNT adsorbent. Adsorption kinetic studies showed very fast process, with constant significantly higher respect not only that unfunctionalized adsorbent but those widely used activated carbons. Moreover, capacity MWCNT-S is more than doubled insoluble adsorbent, thanks derivatives, providing larger available surface, electrostatic interactions between cationic MB anionic sulfonate groups. Additionally, reversibility ionic disclosed possibility release adsorbed pollutant competition salts, regenerating recovering dye. Indeed, by treating 1 h M NaCl, regeneration 75% was obtained, demonstrating validity this strategy.

Language: Английский

---

Advancements in application of modified biochar as a green and low-cost adsorbent for wastewater remediation from organic dyes

Royal Society Open Science, Journal Year: 2024, Volume and Issue: 11(5)

Published: May 1, 2024

Synthetic organic dyes, which are resistant to biodegradation, pose a notable health risk, potentially leading cancer and respiratory infections. Researchers have addressed this concern by exploring physicochemical methods remove dyes from wastewater. A particularly promising solution involves modified biochar adsorbents, demonstrate high efficiency in dye removal. Biochar, charcoal-like material derived biomass pyrolysis, offers advantages such as low cost, eco-friendliness, reusability. Beyond its role sustainable soil remediation, proves effective removing wastewater after undergoing physical or chemical modification. Acid–base activation metal–heteroatom impregnation enhances biochar's adsorption capacity. This comprehensive review examines the attributes of biochar, common for production modification, impacts raw materials, pyrolysis temperature, heating rate residence time. It further elucidates mechanism removal assessing factors influencing efficiency, including feedstock, pH, particle size, initial concentration, dosage reaction explores challenges, opportunities, reusability regeneration treating also discusses recent advances using adsorption-based biochar. The ultimately advocates enhancing performance through post-modification.

Language: Английский

---

Bioremediation of organic pollutants by laccase-metal–organic framework composites: A review of current knowledge and future perspective

Bioresource Technology, Journal Year: 2024, Volume and Issue: 406, P. 131072 - 131072

Published: July 4, 2024

Language: Английский

---

Treating Textile Effluents for Sustainable Fashion and Green Marketing

Advances in marketing, customer relationship management, and e-services book series, Journal Year: 2024, Volume and Issue: unknown, P. 166 - 179

Published: May 28, 2024

One of the main causes water pollution is textile industry, which involves dyeing and finishing processes. Aquatic life human health can be threatened by variety chemicals dyes contained in effluent generated these The impact effluents on environment has been minimized development several treatments. This presentation discloses available solutions for liquid treatment from providing a fast, clear, deep understanding methods such as physicochemical biological treatments well recent advanced oxidation Thus, utilizing combination technologies plant frequently lead to more effective outcomes. Ultimately, this investigation will assist researchers academic practitioners enhancing aligning green marketing models with sustainability trends textile, apparel, fashion industries.

Language: Английский

---

A synergistic adsorption-catalysis with co-doped Fe/Mn porous PET waste for simultaneous and ambient remediation of hazardous pharmaceutical drugs and dye in multi-component systems by enhancing singlet oxygen

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 66, P. 106012 - 106012

Published: Aug. 23, 2024

Language: Английский

---

Bio-engineered NiO nanoparticles for photocatalytic and antibacterial treatments

Journal of Dispersion Science and Technology, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 13

Published: Feb. 8, 2025

Language: Английский

---

Application of Electron Beam Irradiation for the Removal of Dye from Textile Effluents: A Review

Industrial & Engineering Chemistry Research, Journal Year: 2024, Volume and Issue: 63(22), P. 9611 - 9618

Published: May 20, 2024

The effects of the textile industry on environment are now a major global concern. Many dyestuffs toxic, carcinogenic, and non-biodegradable, which being used in large amounts dyeing printing processes. Electron beam radiation is wastewater treatment technology that more effective than conventional methods for dye wastewater. current paper presents review recent advances, applications, efficiency electron irradiation its combination with other effluent decolorization techniques. purpose this study to accurately characterize treatment, reveal main issues, offer suggestions additional growth research. work examines generation reactive species by beams their interactions molecules. mechanisms degradation caused have been thoroughly studied. This also highlights use preparation different materials applications removal from effluents. focuses an integrated approach techniques dyes

Language: Английский

---

NH2-UiO-66 (Zr) modified waste wool fibers for efficient adsorption of dye from water

Desalination and Water Treatment, Journal Year: 2024, Volume and Issue: 318, P. 100305 - 100305

Published: April 1, 2024

Language: Английский

---

Multidimensional TiO2 photocatalysts for the degradation of organic dyes in wastewater treatment

Journal of Porous Materials, Journal Year: 2024, Volume and Issue: 31(5), P. 1655 - 1681

Published: May 1, 2024

Language: Английский

---

Synthesis of new sustainable polyester‐type hydrogels from chemical recycled poly(ethylene terephthalate) products applied on the removal of indigo carmine dye

Journal of Applied Polymer Science, Journal Year: 2024, Volume and Issue: 141(29)

Published: May 5, 2024

Abstract Large amounts of plastic waste are daily generated, becoming a global issue that needs to be addressed. Thus, new recycling alternatives have been explored, such as the depolymerization poly(ethylene terephthalate) (wPET). These reactions can lead formation oligomers and monomers, which then employed in synthetic processes. The aim this work is use products chemical wPET on synthesis hydrogels evaluate capacity these materials adsorb dyes aiming wastewater treatment. depolymerizations were done through glycerolysis catalyzed by zinc (II) acetate under microwave radiation. Afterwards, obtained oil was crosslinked with citric acid (CA) tin chloride catalysis obtain hydrogels. water uptake ranged from 310% 1442%, depending CA content. When placed an indigo carmine solution, showed high adsorption capacity, removing up 97% dye. kinetic study revealed physicochemical mechanism for removal process, corroborated Temkin isotherms. results indicate PET via viable alternative producing hydrogels, reducing while creating tools

Language: Английский

---