Waste-derived hydrogels for pharmaceutical effluent treatment: a review of synthesis, modification, applications, and future perspectives

Danieli Brandler; Yago Vitório Colares Pinto; Bruna da Conceição Marques; Eduardo Pavan Korf; Gean Delise Leal Pasquali

doi:10.5327/Z2176-94782943

Autores

Danieli Brandler Universidade Federal da Fronteira Sul (UFFS) - Brasil https://orcid.org/0000-0001-6883-7331
Yago Vitório Colares Pinto Universidade Federal da Fronteira Sul (UFFS) - Brasil https://orcid.org/0009-0002-4464-9752
Bruna da Conceição Marques Universidade Federal da Fronteira Sul (UFFS) - Brasil https://orcid.org/0009-0005-7063-6092
Eduardo Pavan Korf Universidade Federal da Fronteira Sul (UFFS) - Brasil https://orcid.org/0000-0003-2041-0173
Gean Delise Leal Pasquali Universidade Federal da Fronteira Sul (UFFS) - Brasil https://orcid.org/0000-0001-5110-6532

DOI:

https://doi.org/10.5327/Z2176-94782943

Palavras-chave:

hidrogéis derivados de resíduos; mecanismos de adsorção; economia circular; adsorção de produtos farmacêuticos.

Resumo

A presença de produtos farmacêuticos em águas residuais e superficiais é uma crescente preocupação ambiental, em razão da sua persistência e dos potenciais impactos ecotoxicológicos. Os métodos convencionais de tratamento de águas residuais frequentemente falham na remoção eficaz desses contaminantes, o que impulsiona a pesquisa de tecnologias inovadoras para remediação. Nesse contexto, hidrogéis sintetizados de resíduos agrícolas e industriais têm surgido como materiais promissores para a adsorção seletiva de produtos farmacêuticos. Esta revisão sistemática aborda os avanços recentes na síntese e modificação de hidrogéis derivados de resíduos, enfatizando suas propriedades físicoquímicas, mecanismos de adsorção e eficiências de remoção. Esta análise revelou que, apesar da abundância de pesquisas sobre a utilização de biomassa residual, as aplicações direcionadas à remoção de produtos farmacêuticos ainda são limitadas. Em termos de desempenho, os hidrogéis à base de resíduos demonstram altas capacidades de adsorção. Os mecanismos predominantes são interações eletrostáticas, interações π-π, ligações de hidrogênio e interações doador-aceitador de elétrons (EDA). Assim, conclui-se que a valorização de resíduos contribui significativamente para a mitigação da poluição farmacêutica.

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