The Ultimate Fate of Reactive Dyes Absorbed onto Polymer Beads: Feasibility and Optimization of Sorbent Bio-Regeneration under Alternated Anaerobic–Aerobic Phases DOI Open Access
Domenica Mosca Angelucci, Valentina Stazi, M. Concetta Tomei

et al.

Environments, Journal Year: 2024, Volume and Issue: 11(9), P. 207 - 207

Published: Sept. 18, 2024

Dyes employed in many production cycles are characterized by high toxicity and persistence the environment, conventional wastewater treatments often fail to reach removal efficiencies. Consequently, there is an increasing research demand aimed at development of more efficient sustainable technologies. A two-step strategy consisting dye sorption followed sorbent bio-regeneration proposed here, with a special focus on regeneration step. The objective this study was establish best operating conditions achieve dye-loaded polymers concurrently ultimate dyes. To aim, Hytrel 8206 polymer, used as material remove Remazol Red from textile wastewater, investigated two-phase partitioning bioreactor (TPPB) under alternated anaerobic–aerobic conditions. Comprehensive analysis operational parameters, including load initial contamination levels, conducted optimize efficiency. Experimental data demonstrated efficiencies (91–98%) biodegradation up 89%. This also examines process investigate fate intermediates; results confirmed successful degradation without significant by-product accumulation. underscores potential TPPB-based polymeric for treatment, offering promising solution global challenge pollution water resources.

Language: Английский

Advancing Textile Waste Recycling: Challenges and Opportunities Across Polymer and Non-Polymer Fiber Types DOI Open Access
Mehrdad Seifali Abbas‐Abadi, Brecht Tomme, Bahman Goshayeshi

et al.

Polymers, Journal Year: 2025, Volume and Issue: 17(5), P. 628 - 628

Published: Feb. 26, 2025

The growing environmental impact of textile waste, fueled by the rapid rise in global fiber production, underscores urgent need for sustainable end-of-life solutions. This review explores cutting-edge pathways waste management, spotlighting innovations that reduce reliance on incineration and landfilling while driving material circularity. It highlights advancements collection, sorting, pretreatment technologies, as well both established emerging recycling methods. Smart collection systems utilizing tags sensors show great promise streamlining logistics automating pick-up routes transactions. For automated technologies like near-infrared hyperspectral imaging lead way accurate scalable separation. Automated disassembly techniques are effective at removing problematic elements, though other pretreatments, such color finish removal, still to be customized specific streams. Mechanical is ideal textiles with strong mechanical properties but has limitations, particularly blended fabrics, cannot repeated endlessly. Polymer recycling-through melting or dissolving polymers-produces higher-quality recycled materials comes high energy solvent demands. Chemical recycling, especially solvolysis pyrolysis, excels breaking down synthetic polymers polyester, potential yield virgin-quality monomers. Meanwhile, biological methods, their infancy, natural fibers cotton wool. When methods not viable, gasification can used convert into synthesis gas. concludes future hinges integrating sorting advancing solvent-based chemical technologies. These innovations, supported eco-design principles, progressive policies, industry collaboration, essential building a resilient, circular economy.

Language: Английский

Citations

1

Advancing Dye Degradation: Integrating Microbial Metabolism, Photocatalysis, and Nanotechnology for Eco-Friendly Solutions DOI Creative Commons

Anjuman Ayub,

Atif Khurshid Wani, Chirag Chopra

et al.

Bacteria, Journal Year: 2025, Volume and Issue: 4(1), P. 15 - 15

Published: March 7, 2025

Textile dyes pose a major environmental threat due to their toxicity, persistence in water bodies, and resistance conventional wastewater treatment. To address this, researchers have explored biological physicochemical degradation methods, focusing on microbial, photolytic, nanoparticle-mediated approaches, among others. Microbial depends fungi, bacteria, yeasts, algae, utilizing enzymatic pathways involving oxidoreductases like laccases, peroxidases, azoreductases breakdown or modify complex dye molecules. Photolytic employs hydroxyl radical generation electron-hole pair formation, while utilizes titanium dioxide (TiO2), zinc oxide (ZnO), silver (Ag) nanoparticles enhance removal. improve efficiency, microbial consortia been developed decolorization mineralization, offering cost-effective eco-friendly alternative methods. Photocatalytic degradation, particularly using TiO2, harnesses light energy for breakdown. Research advancements focus shifting TiO2 activation from UV visible through doping composite materials, optimizing surface area mesoporosity better adsorption. Nanoparticle-mediated approaches benefit high rapid adsorption, with ongoing improvements synthesis, functionalization, reusability, magnetic nanoparticle integration. These emerging technologies provide sustainable solutions degradation. The primary aim of this review is comprehensively evaluate synthesize current research the azo photolytic processes, nanotechnology-based approaches. also provides detailed information salient mechanistic aspects these efficiencies, advantages, challenges, potential applications industrial contexts.

Language: Английский

Citations

1

Biochar from Manihot esculenta stalk as potential adsorbent for removal of reactive yellow dye DOI Creative Commons
Vasu Gajendiran,

D. Prabu,

Selvaraju Sivamani

et al.

Desalination and Water Treatment, Journal Year: 2024, Volume and Issue: 317, P. 100120 - 100120

Published: Jan. 1, 2024

Textile effluent treatment is crucial for a cleaner and safer community. The purpose of this study to utilize biochar prepared from Manihot esculenta stalk remove reactive yellow dye through Pyrolysis at 350 °C 210 min. effect quantity adsorbent, pH values the adsorbate solution experimented, contact time required, starting concentration, current temperature solution, speed agitation, as well size particle on removal was examined using batch trials. At an equilibrium period 25 min, 7, bio-char dosage 2 g, °C, agitation 150 rpm, 231 µm, 86% could be removed with highest adsorption capacity 53.47 mg/g. Pseudo-first order type kinetics in addition Langmuir isotherm model were set up finest fit onto M. stalk. process chemisorption, exothermic, feasible, spontaneous, it predicted by thermodynamically negative enthalpy entropy values. spent reused six cycles same optimal conditions found insignificant fourth cycle. Also, characterized scanning electron microscopy (SEM), energy-dispersive X-ray analysis (EDAX) Fourier Transform Infrared Spectroscopy (FTIR) morphology, elemental composition, functional groups respectively. So, active adsorbent elimination dye.

Language: Английский

Citations

6

Remarkable photocatalytic activity of MWCs supported on PVF in recycling, solar and photodegradation processes for commercial dyes and real industrial wastewater DOI
Hana M. Abumelha, Rami Adel Pashameah,

Abdullah A.A. Sari

et al.

Optical Materials, Journal Year: 2024, Volume and Issue: 150, P. 115319 - 115319

Published: April 1, 2024

Language: Английский

Citations

4

Smart production and photocatalytic ultraviolet (PUV) wastewater treatment effect on a textile supply chain management DOI
Biswajit Sarkar,

Soumik Sao,

Santanu Kumar Ghosh

et al.

International Journal of Production Economics, Journal Year: 2025, Volume and Issue: unknown, P. 109557 - 109557

Published: Feb. 1, 2025

Language: Английский

Citations

0

Assessing GHG Emissions and Carbon Neutral Strategies in Dyeing and Printing Wastewater Treatment and Reuse DOI
Hua Yin, Caiyun Yang, Zhihua Tang

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116004 - 116004

Published: March 1, 2025

Language: Английский

Citations

0

Antifouling loose nanofiltration membrane for dye/salt separation by interfacial polymerization with capsaicin derivatives DOI
Chunsheng Ji,

Hongyan Yu,

Zhibin Pang

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116210 - 116210

Published: March 1, 2025

Language: Английский

Citations

0

Fouling behavior and cleaning strategies of polyester and polyamide loose nanofiltration membranes in textile wastewater treatment DOI
Rui Zhao,

Yafei Mao,

Daliang Xu

et al.

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132596 - 132596

Published: March 1, 2025

Language: Английский

Citations

0

Textile effluent treatment using coagulation-flocculation and a hydrodynamic cavitation reactor associated with ozonation DOI
Diego Gouveia Marques,

Janaina de Melo Franco Domingos,

Marcelo Antunes Nolasco

et al.

Chemical Engineering Science, Journal Year: 2024, Volume and Issue: unknown, P. 121094 - 121094

Published: Dec. 1, 2024

Language: Английский

Citations

1

Pollutants Analysis and Life Cycle Assessment of a Photovoltaic Powered Textile Electro-Fenton Wastewater Treatment System DOI Creative Commons
Chenyang Zhang, Wei Zhang,

Xiding Zeng

et al.

ACS Omega, Journal Year: 2024, Volume and Issue: 9(39), P. 40477 - 40484

Published: Sept. 17, 2024

Textile wastewater poses a substantial environmental challenge due to the persistence of organic dyes. This study introduces novel approach using photovoltaic (PV) powered electro-Fenton (EF) technology for effective treatment textile wastewater. Acid orange 7 (AO7), methylene blue (MB), and malachite green (MG) were selected as representative dyes validate method under varying experimental conditions. Analysis variance (ANOVA) highlighted significant influence pollutant type, pH levels, current density on degradation efficiency system, with optimal conditions observed at = 3 high density. To underscore benefits, comprehensive life cycle assessment (LCA) was conducted. The PV-powered EF when implemented in mill, exhibited an energy payback time (EPBT) 9.53 years, greenhouse gas (GPBT) 4.45 cost (LCC) 1.9 × 10

Language: Английский

Citations

0