Casca de Ostra: tendências recentes dos usos ambientais visando à economia circular

Autores

DOI:

https://doi.org/10.9771/cp.v12i4.32940

Palavras-chave:

Casca ostra, Tratamento de águas e esgotos, Economia circular.

Resumo

A produção de ostras em aquacultura é uma atividade econômica implantada em muitos países e que, durante o processo produtivo e o consumo, gera enormes quantidades de casca de ostra, tornando-se um resíduo importante. Este trabalho mapeia o uso ambiental desse resíduo. Realizou-se o mapeamento patentário na base Worldwide europeia, usando o software Orbit® e verificou-se que a China e a Coreia são os países com maior número de patentes. As tecnologias mais apropriadas na utilização da casca de ostra são in natura (74%), seguida por calcinada (11%) e por tratamentos químicos (6,9%). Os usos ambientais frequentes compreendem o tratamento de águas residuária (32,4%), a remoção de metais pesados (10,8%), o tratamento de corpos de água/qualidade da água (9,5%), o tratamento de gases (9,1%). Os usos evidenciam que as tecnologias focam essencialmente o reaproveitamento desse resíduo como solução sustentável e potenciadora de uma economia circular.

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Biografia do Autor

Ana Maria Tavares da Mata, ESTS-CINEA-IPS, Instituto Politécnico de Setúbal, Portugal

Doutoramento em Engenharia do Ambiente, Grupo de disciplinas de Química e Ambiente do departamento DSI da ESTSetúbal, Instituto Politécnico de Setúbal, Portugal.

Kelly de Araújo Rodrigues, Instituto Federal do Ceará, campus Fortaleza, Brasil

http://lattes.cnpq.br/6634425824711803

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Publicado

2019-12-28

Como Citar

Mata, A. M. T. da, Rodrigues, K. de A., Salgado, R. M. N., & Quintella, C. M. (2019). Casca de Ostra: tendências recentes dos usos ambientais visando à economia circular. Cadernos De Prospecção, 12(4), 849. https://doi.org/10.9771/cp.v12i4.32940

Edição

Seção

Prospecções Tecnológicas de Assuntos Específicos