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Table 3 Comparison table shows the difference in BET

From: Utilization of solid materials to remove ammonia from drinking water

No Adsorbent S. area, m2/g Max. removal % Pore radius, nm
1 Sugarcane peels 981.213 58 1.3897
2 Activated diatom 826.374 9 1.6501
3 Activated carbon 343.742 49 3.967
4 Activated zeolite 225.478 20 6.0478
5 Rice straw 184.669 17 7.3842
6 White foam 157.669 24 8.6487
7 Ilmenite 65.5909 62 20.79
8 Redbrick 9.38497 0 145.3
9 Ilmenite and sugarcane ----- 22 -----