Inicio > Matemáticas y ciencia > Química > Valutazione dell’arsenico e del mercurio nel giacimento di carbone di Thar, Pakistan
Valutazione dell’arsenico e del mercurio nel giacimento di carbone di Thar, Pakistan

Valutazione dell’arsenico e del mercurio nel giacimento di carbone di Thar, Pakistan

Jamshed Ali / Wahid Bux Jatoi

113,12 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química
ISBN:
9786208733414
113,12 €
IVA incluido
Disponible

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L’obiettivo principale di questo lavoro era valutare i parametri di qualità del carbone, delle matrici solide adiacenti (argilla, sabbia e terreno superficiale) e dell’acqua di falda raccolta da diverse profondità dei blocchi III e V del bacino carbonifero di Thar, nel Sindh, in Pakistan. Sono stati evidenziati parametri di qualità quali la composizione elementare, i parametri prossimi e finali dei campioni di carbone e le caratteristiche fisico-chimiche. Il contenuto di umidità nei campioni di carbone del bacino carbonifero di Thar ha indicato che l’uso diretto del carbone non è adatto alla produzione di energia. La composizione minerale è stata determinata mediante SEM e diffrazione a raggi X. La presenza di As e Hg nei campioni di carbone del bacino carbonifero di Thar e il suo comportamento durante la combustione sono stati studiati in dettaglio. I contenuti di As ed Hg estratti nei campioni di carbone e LMA sono stati misurati rispettivamente mediante spettrometria di assorbimento atomico a generazione di vapore freddo/idruro MHS-15. I risultati dell’LMA hanno indicato che durante la combustione del carbone possono essere rilasciati nell’atmosfera rispettivamente >75% e >90% di As e Hg. Il contenuto di As e Hg nei campioni di carbone del blocco III del bacino carbonifero di Thar è risultato più elevato rispetto al blocco V, forse a causa della diversa composizione geochimica dei minerali.

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