Properties and applications of green-derived products from spent coffee grounds – Steps towards sustainability

Mensah, Richard Q.; Tantayotai, Prapakorn; Rattanaporn, Kittipong; Chuetor, Santi; Kirdponpattara, Suchata; Kchaou, Mohamed; Show, Pau-Loke; Mussatto, Solange I.; Sriariyanun, Malinee

doi:10.1016/j.biteb.2024.101859

Bioresource Technology Reports

2024

DOI: 10.1016/j.biteb.2024.101859

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Properties and applications of green-derived products from spent coffee grounds – Steps towards sustainability

Richard Q. Mensah,

Prapakorn Tantayotai,

Kittipong Rattanaporn

et al.

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2024

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Cited by 2 publications

References 112 publications

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Enhanced CO2 Capture Potential of Chitosan-Based Composite Beads by Adding Activated Carbon from Coffee Grounds and Crosslinking with Epichlorohydrin

Loryuenyong,

Nakhlo,

Srikaenkaew

et al. 2024

IJMS

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Carbon dioxide (CO2) capture has been identified as a potential technology for reducing the anthropic emissions of greenhouse gases, particularly in post-combustion processes. The development of adsorbents for carbon capture and storage is expanding at a rapid rate. This article presents a novel sustainable synthesis method for the production of chitosan/activated carbon CO2 adsorbents. Chitosan is a biopolymer that is naturally abundant and contains amino groups (–NH2), which are required for the selective adsorption of CO2. Spent coffee grounds have been considered as a potential feedstock for the synthesis of activated coffee grounds through carbonization and chemical activation. The chitosan/activated coffee ground composite microspheres were created using the emulsion cross-linking method with epichlorohydrin. The effects of the amount of chitosan (15, 20, and 25 g), activated coffee ground (10, 20, 30, and 40%w/w), and epichlorohydrin (2, 3, 4, 5, 6, 7 and 8 g) were examined. The CO2 capture potential of the composite beads is superior to that of the neat biopolymer beads. The CO2 adsorbed of synthesized materials at a standard temperature and pressure is improved by increasing the quantity of activated coffee ground and epichlorohydrin. These findings suggest that the novel composite bead has the potential to be applied in CO2 separation applications.

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Enhanced CO2 Capture Potential of Chitosan-Based Composite Beads by Adding Activated Carbon from Coffee Grounds and Crosslinking with Epichlorohydrin

Loryuenyong,

Nakhlo,

Srikaenkaew

et al. 2024

IJMS

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Useful Extracts from Coffee By-Products: A Brief Review

Pyrzynska

2024

Separations

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The waste materials generated from the processing of coffee cherries are still rich in several bioactive compounds. Several studies highlight coffee by-products as a valuable source for diverse applications, such as biofuels, biopolymers, biocomposites, and natural antioxidants in food, pharmaceuticals, and cosmetics. The development of prospective strategies for the valorization of coffee wastes is a goal of a sustainable and circular bioeconomy, increasing the added value of these wastes and reducing environmental pollution. This brief overview describes the recently proposed procedures for the extraction and recovery of functional ingredients from the diversity of coffee by-products. The comparison between conventional and alternative extraction methods enables one to choose the most suitable techniques for valorizing a given coffee by-product.

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Properties and applications of green-derived products from spent coffee grounds – Steps towards sustainability

Cited by 2 publications

References 112 publications

Enhanced CO2 Capture Potential of Chitosan-Based Composite Beads by Adding Activated Carbon from Coffee Grounds and Crosslinking with Epichlorohydrin

Enhanced CO2 Capture Potential of Chitosan-Based Composite Beads by Adding Activated Carbon from Coffee Grounds and Crosslinking with Epichlorohydrin

Useful Extracts from Coffee By-Products: A Brief Review

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