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Estudo dos fosfatos naturais de Djebel Onk

Estudo dos fosfatos naturais de Djebel Onk

Nacer BEZZI

92,37 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química
ISBN:
9786208475543
92,37 €
IVA incluido
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Sobre IBD

De acordo com as estatísticas para 2024, a Argélia, com as suas jazidas de Djebel Onk, é um dos 10 maiores produtores mundiais de fosfatos. As suas reservas geológicas estão estimadas em mais de 2 mil milhões de toneladas. Estes fosfatos são constituídos por apatite com uma ganga muito carbonatada e substituições significativas, o que torna a sua extração extremamente difícil. A sua aptidão para o enriquecimento depende muito do grau de associação dos minerais, da sua textura e da natureza dos minerais impuros. O horizonte produtivo é caracterizado por fosfatos beges e negros com caraterísticas claramente distintas, que podem ser utilizados para tratamento mineralúrgico específico. Neste contexto, o conhecimento profundo das suas caraterísticas físico-químicas, petro-mineralógicas e granulo-estruturais é mais do que necessário para orientar a escolha e propor os processos de tratamento e recuperação mais adequados.

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