Research Article
Novel Nano-Fe2O3-Co3O4 Modified Dolomite and Its Use as Highly Efficient Catalyst in the Ozonation of Ammonium Solution
Table 1
Element composition (wt%) of dolomite (raw ores), activated dolomite, Fe2O3/dolomite, and Fe2O3-Co3O4/dolomite samples.
| Sample | Dolomite (raw ores) (% weight) | Activated dolomite (% weight) | Fe2O3/dolomite (% weight) | Fe2O3-Co3O4/dolomite | % weight | % atomic percentage |
| O | 61.50 | 57.98 | 51.15 | 44.19 | 58.47 | Mg | 11.55 | 11.98 | 9.91 | 10.24 | 9.03 | Ca | 16.89 | 19.96 | 16.89 | 4.59 | 2.43 | C | 10.06 | 10.09 | 12.67 | 10.74 | 18.95 | Cl | — | — | 0.35 | 0.37 | 0.22 | Fe | — | — | 9.59 | 10.06 | 3.63 | Co | — | — | — | 20.27 | 7.27 | Total | 100 | 100 | 100 | 100 | 100 |
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