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Explorar o potencial das microalgas
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ISBN10: 6208032849
ISBN13: 9786208032845
Publisher: Edicoes Nosso Conhecimento
Published: Aug 30 2024
Pages: 52
Weight: 0.20
Height: 0.12 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786208032845
Publisher: Edicoes Nosso Conhecimento
Published: Aug 30 2024
Pages: 52
Weight: 0.20
Height: 0.12 Width: 6.00 Depth: 9.00
Language: Portuguese
Um dos problemas mais importantes que a humanidade tem vindo a enfrentar é a questão do aquecimento global. Por isso, os esforços para encontrar fontes alternativas de energia e combustÃvel estão a aumentar consideravelmente. Uma das alternativas aplicadas com sucesso é o chamado biodiesel, que é uma fonte de combustÃvel neutra em termos de carbono, uma vez que é produzido a partir de culturas agrÃcolas. Sabe-se que até 20% do óleo processado na produção de biodiesel acaba num produto residual: o glicerol bruto. Trata-se de um resÃduo de baixo valor porque contém apenas 40 a 60% de glicerol, sendo o restante constituÃdo por água, metanol, sais e outras impurezas. A purificação do glicerol é um processo dispendioso. As microalgas são plantas unicelulares e algumas estirpes são capazes de acumular quantidades significativas de lÃpidos. Sabe-se também que algumas estirpes de microalgas podem esgotar o carbono orgânico para as suas necessidades de nutrientes e energia. Neste livro, o objetivo do trabalho descrito é utilizar o glicerol bruto como fonte de carbono e energia para o crescimento de microalgas e examinar as condições óptimas de crescimento em modo quimiostático. A biomassa de microalgas produzida com esta técnica pode ser potencialmente utilizada para fins de combustÃvel, alimentação humana e animal.
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