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In this study, a new core-shell material (CMCS) is prepared with magnesium oxide (MgO) around calcium silicate hydrate (CSH), and CSH is prepared by SiO2 from the red mud. The CMCS simultaneously removes ammonia nitrogen (NH4+) and phosphate (PO43-) by chemical precipitation and it can achieve recovery of nitrogen and phosphorus. The removal process of NH4+ and PO43- is as follows. First, the shell...
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