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Bio-based superabsorbent hydrogels for nutrient release

Ribeiro, Alessandra B.; Moreira, Helena; Pereira, Sofia I. A.; Godinho, Mariana; Sousa, Ana Sofia da Silva; Castro, Paula; Pereira, Carla F.

Drought is characterized by a low water precipitation rate, with strong impact on crop productivity, threatening global food production. In this context, the use of soil amendments, such as superabsorbent hydrogels constitute a potential technology for better water use efficiency and higher crop yields. In this work, we synthesised cellulose-based hydrogels, characterized their physical and functional propertie...


Food processing wastewater as feedstock for microalgae growth and nutrient removal

Sousa, Ana Sofia da Silva

A indústria da carne é responsável por gerar volumes elevados de água residual proveniente do processamento de carne (ARPC), altamente carregada em termos de nutrientes, carbono e sólidos suspensos. O seu descarte sem tratamento diminui a qualidade da superfície da água, podendo levar à morte da vida aquática e à eutrofização. Atualmente, o interesse na utilização de microalgas para tratar ARPC te...


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