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acid leaching selective

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acid leaching selective

Selective acid leaching method neutralized 976 of the alkali in red mud while only 8 of the Fe 2 O 3 were leached out • This method is universally applicable for different red mud as the acid dosage is easily quantified • The activated red mud catalyst showed NO x conversions above 90 at 310–430 °C and high resistance to SO 2

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