BioResources

Policies & Initiatives to Support the Increased Utilization of Urban & Reclaimed Wood in the United States

This study highlights that transitioning to a circular economy by utilizing urban and reclaimed wood can mitigate landfilling's environmental impacts while promoting job and business opportunities. The results demonstrated that initiatives require community engagement, extensive collaboration, and diverse operational strategies to yield substantial environmental, social, and economic benefits.

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Biomass to biocrude: A brief review of catalytic liquefaction

Biomass energy constitutes around 55% of global renewable energy consumption, and hydrothermal liquefaction (HTL) is pivotal for transforming fresh biomass with high moisture into liquid biofuels akin to conventional crude oil. Future studies should focus on the cost-effective development of bifunctional catalysts and enhancing reaction systems for improved heat and mass transfer efficiency.

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Integration of 1st and 2nd generation bioethanol fuel production: Opportunities and limitations

Bioethanol, primarily produced from starch-rich grains and sugar cane, faces sustainability challenges due to limited feedstock supply, prompting interest in lignocellulosic materials for second-generation bioethanol production. Recent studies suggest that integrating first and second-generation bioethanol production can enhance ethanol final concentration and yield while reducing enzyme and water usage

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Modification of lignin-derived activated carbon with surfactants for removal of phenol

Lignin-derived activated carbon (AC) modified with cocoamidopropyl betaine (CAPB) effectively removes phenol from aqueous solutions, showing the highest adsorption at an optimal pH of 8.0 compared to AC modified with other surfactants. Additionally, ethanol facilitates high phenol recovery from AC/CAPB, indicating efficient regeneration.

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Graphene-starch based electrodes for flexible sensing applications

The research demonstrates the fabrication of eco-friendly interdigitated electrodes using graphene conductive ink on thermoplastic starch films derived from sugar palm starch, achieving a graphene layer thickness of 32.9 µm. The electrochemical analysis indicates that the charge transfer resistance increased from 8.46 × 10⁵ Ω to 3.36 × 10⁶ Ω with increasing electrode spacing from 1 mm to 3 mm, emphasizing the significance of electrode design in electron transfer efficiency.

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Comparative evaluation of hot air and ultrasonic sealing in paper cup manufacturing

Paper cup manufacturing relies on consistent heat sealing to ensure both liquid tightness and a visually appealing finish, with optimization of energy and seal quality being critical due to high production volumes. The newly developed mechanical testing device highlighted that ultrasonic sealing has an advantage in consistency relative to hot-air sealing, providing a repeatable evaluation tool for quality control in high-speed production lines.

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