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Engineering Power : Bulletin of the Croatian Academy of Engineering, Vol. 17 No. 1, 2022.

Review article

Transformation of Eggshells, Spent Coffee Grounds, and Brown Onion Skins into Value-Added Products

Sandra Budžaki ; Prehrambeno-tehnološki fakultet Osijek Sveučilišta J. J. Strossmayer u Osijeku
Ivica Strelec ; Prehrambeno-tehnološki fakultet Osijek Sveučilišta J. J. Strossmayer u Osijeku
Natalija Velić ; Prehrambeno-tehnološki fakultet Osijek Sveučilišta J. J. Strossmayer u Osijeku

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Abstract

Unlike other wastes from the agri-food industry (straw, corn, cob, stalks, seeds, husks) widely used in biorefineries as feedstock for the production of high-value products (chemicals, biofuels and bioenergy), eggshells, spent coffee grounds, and brown onion skins have not yet found a suitable place in sustainable production, but are mainly landfilled burdening the environment. This paper aims to point out the great potential of eggshells, spent coffee grounds, and brown onion skins as secondary raw materials in sustainable development, with minimal production of waste streams.

Keywords

eggshells, spent coffee grounds, brown onion skins, value-added products, “zero-waste” model

Hrčak ID:

277483

URI

https://hrcak.srce.hr/277483

Publication date:

17.4.2022.

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