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Algas: Da produção à extração de óleo
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ISBN10: 6630001478
ISBN13: 9786630001471
Publisher: Edicoes Nosso Conhecimento
Published: May 31 2026
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786630001471
Publisher: Edicoes Nosso Conhecimento
Published: May 31 2026
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: Portuguese
A produção global de biocombustÃveis tem vindo a aumentar rapidamente ao longo da última década, mas a expansão da indústria dos biocombustÃveis tem suscitado, recentemente, importantes preocupações. Em particular, a sustentabilidade de muitos biocombustÃveis de primeira geração (produzidos principalmente a partir de culturas alimentares, como cereais, cana-de-açúcar e óleos vegetais) tem sido cada vez mais questionada devido a preocupações como o suposto deslocamento de culturas alimentares, os efeitos sobre o ambiente e as alterações climáticas. As crescentes crÃticas à sustentabilidade de muitos biocombustÃveis de primeira geração chamaram a atenção para o potencial dos chamados biocombustÃveis de segunda geração. No entanto, devido à competição entre alimentos e combustÃveis, bem como ao consumo de terra por estes biocombustÃveis, estes têm suscitado muita controvérsia e debate sobre a sua sustentabilidade. A este respeito, o cultivo de macroalgas em água do mar ou em águas residuais industriais ou de outra natureza oferece uma possÃvel solução para esta questão energética. As microalgas são organismos unicelulares e fotossintéticos, conhecidos pelo seu rápido crescimento e elevado teor energético. Algumas estirpes de algas são capazes de duplicar a sua massa várias vezes por dia.
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