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portzolana impact crusher

portzolana impact crusher

237 POZZOLANA QUARRY DEPOSITS IN KENYA Kenya has large deposits of Pozzzolana in the form of volcanic tuffs in the Rift Valley due to previous volcanic activities The natural state of these deposits varies considerably as does their pozzolanic reactivity Pozzolana is mined and used as a binding agent in cement production The pozzolana used in this project is from quarries in Ngurunga

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