Sustainability assessment, environmental impact, and recycling strategies of biodegradable polymer nanocomposites

Coltelli, Maria‐Beatrice; Morganti, Pierfrancesco; Lazzeri, Andrea

doi:10.1016/b978-0-323-91696-7.00016-7

Cited by 5 publications

(1 citation statement)

References 81 publications

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“…Nanocatalyst-mediated hydrogen generation has bright futures, but in order to reach their full potential, a number of issues must be resolved. These include the creation of long-lasting and stable catalysts, effective use of renewable feedstocks, and scalable manufacturing procedures [24][25][26][27][28][29]. Research and innovation are also being done to better understand the basic processes regulating catalytic reactions at the nanoscale and to optimize catalyst design for particular applications.…”

Section: Possibilities and Difficultiesmentioning

confidence: 99%

Novel Nanocatalysts for Sustainable Hydrogen Production from Renewable Resources

Verma,

Joshi,

Kalra

et al. 2024

E3S Web Conf.

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This research delves into the development, manufacturing, and assessment of nanocatalysts with the purpose of producing hydrogen sustainably from renewable resources. Using the sol-gel, hydrothermal, co-precipitation, and solvothermal processes, four distinct catalysts with the labels A, B, C, and D were created, respectively. The rate of hydrogen generation, activation energy, turnover frequency, and surface area were used to assess the catalytic performance. Catalyst A outperformed Catalyst B in terms of hydrogen generation rate, with a 10% increase to 50 mmol/g/hr. Moreover, Catalyst A showed superior reaction kinetics with a lower activation energy of 50 kJ/mol. With a turnover frequency of 0.02 s^-1, catalyst C had the highest activity, indicating a higher catalytic activity per active site. Furthermore, with a surface area of 120 m^2/g, Catalyst D offered the most active locations for reactions that produce hydrogen. Environmental impact analyses showed that various catalysts used varied amounts of resources and produced varying amounts of waste. With 950 liters of water used and 45 kWh of energy consumption, Catalyst B showed the lowest use, whereas Catalyst D produced the least amount of chemical waste (6 kg). The results of the stability tests showed that the durability of the catalysts varied, with Catalyst D showing the maximum stability after 100 cycles. Overall, the results emphasize how crucial catalyst design and synthesis techniques are to the development of effective and long-lasting hydrogen generation technologies. To optimize catalyst compositions, improve stability, and scale up manufacturing for real-world applications in renewable energy systems, further research is necessary.

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Section: Possibilities and Difficultiesmentioning

confidence: 99%

Novel Nanocatalysts for Sustainable Hydrogen Production from Renewable Resources

Verma,

Joshi,

Kalra

et al. 2024

E3S Web Conf.

View full text Add to dashboard Cite

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Sustainable Revolution: AI-Driven Enhancements for Composite Polymer Processing and Optimization in Intelligent Food Packaging

Yakoubi

2024

Food Bioprocess Technol

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Polymer Matrix Nanocomposites for Sustainable Packaging: A Green Approach

Vafaeva,

Chhetri,

Sudan

et al. 2024

E3S Web Conf.

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This research examines the characteristics and ecological viability of polymer matrix nanocomposites used in sustainable packaging. Nanocomposites were produced by combining varied proportions of polymer and nanofiller material. Through mechanical testing, it was determined that nanocomposite formulation 3 had the maximum tensile strength of 55 MPa, as well as a Young’s modulus of 3.5 GPa, showing greater stiffness in comparison to the other formulations. The evaluation of barrier qualities revealed that nanocomposite formulation 2 exhibited the most minimal oxygen permeability at a rate of 8 cc/m²/day and the lowest water vapor transmission rate at 4.5 g/m²/day, showing very efficient performance in preventing the passage of gases and moisture. The environmental impact study showed that nanocomposite formulation 3 had the most efficient energy consumption during manufacture, with a rate of 1.8 kWh/kg. It also had the lowest waste creation, with just 0.08 kg/kg, and the lowest CO2 emissions, with only 0.4 kg/kg. Nanocomposite formulation 3 demonstrated substantial improvements in mechanical characteristics, barrier properties, and environmental impact indicators when compared to the reference formulations, as shown by the percentage change analysis. In summary, this study showcases the capabilities of polymer matrix nanocomposites, specifically formulation 3, as environmentally friendly packaging materials that offer improved mechanical properties, effective barrier performance, and reduced ecological footprint. These findings contribute to the development of sustainable packaging solutions across different industries.

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Sustainability assessment, environmental impact, and recycling strategies of biodegradable polymer nanocomposites

Cited by 5 publications

References 81 publications

Novel Nanocatalysts for Sustainable Hydrogen Production from Renewable Resources

Novel Nanocatalysts for Sustainable Hydrogen Production from Renewable Resources

Sustainable Revolution: AI-Driven Enhancements for Composite Polymer Processing and Optimization in Intelligent Food Packaging

Polymer Matrix Nanocomposites for Sustainable Packaging: A Green Approach

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