2009
DOI: 10.1016/j.egypro.2009.02.318
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Mineral carbonation process for CO2 sequestration

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Cited by 88 publications
(43 citation statements)
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“…Béarat et al, 2006;Andreani et al, 2009;Prigiobbe et al, 2009;King et al, 2010;Daval et al, 2011). Olivine is commonly thought to be the best source of the divalent metal cations required to create carbonate minerals due to its fast dissolution rates and worldwide abundance.…”
Section: The Role Of Hydromagnesite Precipitation Rates In Mineral Camentioning
confidence: 99%
“…Béarat et al, 2006;Andreani et al, 2009;Prigiobbe et al, 2009;King et al, 2010;Daval et al, 2011). Olivine is commonly thought to be the best source of the divalent metal cations required to create carbonate minerals due to its fast dissolution rates and worldwide abundance.…”
Section: The Role Of Hydromagnesite Precipitation Rates In Mineral Camentioning
confidence: 99%
“…Verificou-se a predominância de minerais tais como talco e serpentina na amostra de serpentinito bruto, em consonância com a literatura, que aponta que serpentinito é predominantemente composto pelo mineral serpentina. [17][18][19][20]22,30 Para a análise de mineralogia total, empregou-se o método do pó, ou seja, a amostra de rocha bruta foi pulverizada para a realização do ensaio, por meio da técnica de difração de raios-X. Os resultados indicaram que a rocha possui em sua composição talco, serpentina (lizardita) e magnetita.…”
Section: Resultsunclassified
“…De acordo com a análise semiquantitativa desta mineralogia, verificou-se uma composição aproximada de 58% de talco, 39% de lizardita e 4% de magnetita. Portanto, os resultados obtidos foram diferentes daqueles reportados na literatura, [17][18][19][20]22,30 que indicam a predominância do mineral serpentina, ao invés do talco.…”
Section: Resultsunclassified
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“…Studies investigating the effects of CO 2 pressure, temperature, and aqueous solution pH on rates and mechanisms of magnesium oxide and magnesium hydroxide conversion to magnesium carbonate have established that the combination of high CO 2 pressure and high temperature increased the rate of carbonate formation [16,17]. Dissolution of CO 2 in the surface electrolyte neutralizes the alkali formed in the cathodic reaction, which initially reduces pH in the surface electrolyte and increases the dissolution rate of the surface film.…”
Section: Interaction Of Mg and Its Alloys With The Atmospherementioning
confidence: 99%