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Upcycling of Enzymatically Recovered Amino Acids from Textile Waste Blends: Approaches for Production of Valuable Second-Generation Bioproducts.
ACS Sustain Resour Manag
January 2025
Department of Agrobiotechnology, IFA-Tulln, Institute of Environmental Biotechnology, BOKU University, Vienna, Konrad-Lorenz-Strasse 20, 3430 Tulln an der Donau, Austria.
Tremendous quantities of textile waste generated and primarily landfilled annually represent a huge risk of contaminating the environment, together with loss of valuable resources. Especially, blended fabrics further pose a challenge for recycling and valorization strategies, while enzymatic hydrolysis offers a highly specific and environmentally friendly solution. In this study, we demonstrate that proteases specifically hydrolyze the wool components in blends with polyester, allowing recovery of pure polyester fibers as well as amino acids and peptides as platform molecules for further valorization.
View Article and Find Full Text PDFLife cycle of bioethanol production from blends of different food waste.
Environ Technol
February 2025
Technology Institute, University of Passo Fundo, Passo Fundo, RS, Brazil.
Food waste offers a potential source for bioethanol production, but productivity depends on the chemical composition of the raw materials and the processes involved. However, assessment of the environmental sustainability of these processes is often absent and can be carried out using the Life Cycle Assessment (LCA) methodology. This study aimed to perform an LCA on bioethanol production from mixtures of different wastes, including tubers, fruits, and processed foods, focusing on the gate-to-gate phase.
View Article and Find Full Text PDFZero Waste Concept in Production of PLA Biocomposites Reinforced with Fibers Derived from Wild Plant ( L.) and Energy Crop ( (L.) Rusby).
Polymers (Basel)
January 2025
Faculty of Textile Technology, University of Zagreb, Prilaz baruna Filipovića 28 a, 10000 Zagreb, Croatia.
This research follows the principles of circular economy through the zero waste concept and cascade approach performed in two steps. Our paper focuses on the first step and explores the characteristics of developed biocomposite materials made from a biodegradable poly(lactic acid) polymer (PLA) reinforced with natural fibers isolated from the second generation of biomass (agricultural biomass and weeds). Two plants, L.
View Article and Find Full Text PDFEffects of Calcium-Oxide-Modified Biochar on the Anaerobic Digestion of Vacuum Blackwater.
Molecules
January 2025
Orlen Unicre a.s., Revolucňí 1521/84, 400 01 Ústí nad Labem, Czech Republic.
The increasing global population and urbanization have led to significant challenges in waste management, particularly concerning vacuum blackwater (VBW), which is the wastewater generated from vacuum toilets. Traditional treatment methods, such as landfilling and composting, often fall short in terms of efficiency and sustainability. Anaerobic digestion (AD) has emerged as a promising alternative, offering benefits such as biogas production and digestate generation.
View Article and Find Full Text PDFIntegrated biorefinery approach for sustainable production of biodiesel, bioplastics and high value bioproducts from a bloom forming alga, Botryococcus braunii.
Sci Total Environ
January 2025
Department of Ecology and Environmental Science, Assam University, Silchar 788011, Assam, India. Electronic address:
The global shift towards sustainable energy and bioproducts has intensified research on algae. Renewable green biofuel can address and provide solutions to both energy crisis and climate change challenges. Botryococcus braunii, a bloom forming green microalga, known for its high lipid content and potential for biofuel production has been explored in the present study.
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