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Review
Environmental Sciences
Linlin Lu et al.
Summary: This paper summarizes the characteristics of waste cotton and the high-value products that can be derived from it through mechanical, chemical, and biological recycling methods. Recycling and reusing waste cotton are common practices to reduce global waste production.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Materials Science, Paper & Wood
Wei Wang et al.
Summary: This study investigates the decolorization mechanism of sodium hydroxide (NaOH) and sodium dithionite (Na2S2O4) on cotton fabrics dyed with different types of reactive dyes. The effects of decolorization on the chemical structure, crystalline structure, and physical and mechanical properties of cotton fabrics are explored. The results provide a theoretical basis for the decolorization of cotton fabrics dyed using different reactive dyes.
Article
Environmental Sciences
Antti Martikkala et al.
Summary: Improving the recycling system through digitalization can reduce the environmental burden of textile production. Sensor technologies assist in predicting waste accumulation in collection bins, leading to efficient route optimization and cost reduction. Testing the viability and reliability of low-cost sensors in a real-world setting, the study demonstrates the potential of a sensor-enhanced dynamic collection system to decrease costs by 7.4% and reduce CO2 emissions by 10.2%.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Green & Sustainable Science & Technology
Hina Zafar et al.
Summary: The demand for textile products has increased globally, leading to the textile industry becoming one of the most polluting industries. This study examines the role of environmentally specific servant leaders in creating a green organizational climate and fostering employees' organizational identity. The findings show that environmentally specific servant leaders can trigger employees' voluntary pro-environmental behavior, and this relationship is mediated by a green organizational climate and organizational identity. The study also highlights the moderating effect of psychological empowerment in enhancing employees' organizational identity and their pro-environmental behavior in the context of the textile industry in Pakistan.
JOURNAL OF CLEANER PRODUCTION
(2022)
Review
Environmental Sciences
P. Athanasopoulos et al.
Summary: This study examines the waste-to-energy (tertiary recycling) of post-consumer textile waste through a literature review. It finds that textiles made of cotton and polyester can be thermally converted into fuels and biocarbon. The critical parameters for thermal recycling include pyrolysis, gasification, and torrefaction. Torrefaction shows low environmental impact and can produce an energy-dense fuel for cogeneration, reducing energy requirements by 50-85%. Catalytic pyrolysis of cotton textile waste yields high conversion, liquid fuel, and biocarbon, but produces hazardous chemicals. Gasification can handle various textile waste types, but requires continuous emissions monitoring. Further research is needed to overcome limitations and ensure future-proof and sustainable thermal recycling processes.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Aisha Matayeva et al.
Summary: Fast fashion trends lead to a large amount of textile waste, which is usually incinerated or landfilled due to a lack of recycling technologies. This study introduces a novel approach called hydrothermal liquefaction (HTL) for recycling mixed textiles, producing bio-oil and terephthalic acid. The results show that under certain conditions, high bio-oil and terephthalic acid yields can be achieved, contributing to the development of sustainable recycling processes for mixed textiles.
RESOURCES CONSERVATION AND RECYCLING
(2022)
Review
Polymer Science
Daniela Simina Stefan et al.
Summary: The textile industry's growing production and sale results in a significant amount of discarded clothing annually, causing negative environmental impacts such as resource consumption, pollution, and increased water usage. It is projected that clothing consumption will continue to rise in the future.
Article
Chemistry, Multidisciplinary
Ruojia Li et al.
Summary: This study developed an effective method to remove coloration from dark-colored waste cotton fabrics with minimal damage to their strength. By subjecting the fabrics to chemical treatment using a Na2S2O4-H2O2 system, high whiteness index and decoloration rate were achieved.
Article
Chemistry, Applied
Ines S. F. Mendes et al.
Summary: The increasing demand for cellulosic fibers is driven by the growing global population and the textile industry, as the annual cotton production is no longer sufficient to meet market demands. Regenerated cellulosic fibers produced from dissolving pulp are progressively filling the market gap, with new trends focusing on environmentally friendly production. Alternative processes involving direct dissolution of cellulose in recyclable solvents are emerging, leading to high quality rayon fibers.
CARBOHYDRATE POLYMERS
(2021)
Article
Materials Science, Paper & Wood
Marjo Maattanen et al.
Summary: The study investigates different pre-treatments for pre-consumer textiles to meet specific parameters for fiber production. Pre-treatments were able to make uncolored textiles suitable for both cold NaOH(aq) and cellulose carbamate processes, while colored textiles were only suitable for the cellulose carbamate process after pre-treatment. Further optimization of regeneration steps is expected to improve mechanical properties of the fibers produced.
Article
Materials Science, Multidisciplinary
Gheffar Kh Kara et al.
Summary: Effective Ca0.01Fe2.99O4/CaTiO3 nanocomposite with visible-light photocatalytic properties was successfully synthesized, showing good interaction between the semiconductor components and efficient photo-induced elimination of organic dyes. The nanocomposite exhibited better photocurrent density than bare oxides, and its stability and greenness were confirmed through cyclic experiments and external magnetic tests, providing a platform for environmental improvement.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Engineering, Chemical
Jia-Ming He et al.
Summary: An effective, sustainable, and energy-saving system and method for color stripping of reactive dyes on cotton substrate was established for the first time in a dipping manner through UV irradiation of potassium persulfate in an aqueous system. The system showed great efficiency in decolorizing various reactive dyes on cotton substrate with high selectivity and achieved color stripping ratios above 90.0% with a recommended process. The color stripping process on the substrate was successfully traced and explored using FT-IR and SEM analysis, along with a proposed working mechanism of the system.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2021)
Article
Engineering, Environmental
Anastasiia Lopatina et al.
Summary: The textile industry generates millions of tons of waste annually, with waste cotton textile being explored as a potential cellulose membrane material. Studies have shown that increasing solution concentration can improve membrane stability and performance.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Environmental Sciences
Kamyar Shirvanimoghaddam et al.
SCIENCE OF THE TOTAL ENVIRONMENT
(2020)
Review
Green & Sustainable Science & Technology
Walter Leal Filho et al.
JOURNAL OF CLEANER PRODUCTION
(2019)
Article
Polymer Science
Felice Quartinello et al.
Article
Materials Science, Paper & Wood
Vijaya Lakshmi Veguta et al.
Article
Chemistry, Applied
Anna Palme et al.
CARBOHYDRATE POLYMERS
(2016)
Article
Materials Science, Textiles
Mohammad Gias Uddin et al.
FASHION AND TEXTILES
(2015)
Article
Engineering, Chemical
Seyed Majid Ghoreishian et al.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2014)
