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The mechanism was discussed for the removal of boron by the hydroxyapatite (HAp) formation reaction using Ca(OH) 2 and (NH 4 ) 2 HPO 4 in room temperature. Time required to remove boron was 20min by adding Ca(OH) 2 and (NH 4 ) 2 HPO 4 for the remaining boron to below 1mg/L. The removal rate of boron was controlled by the HAp precipitate...
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