Table 1 Properties of ES and C-ESs
From: Removal of phosphates using eggshells and calcined eggshells in high phosphate solutions
Yield | SBET | pH | C | K | Na | Ca | Mg | P | |
|---|---|---|---|---|---|---|---|---|---|
(%) | (m2/g) | (5:1) | % | ||||||
ES | – | 0.87 | 7.99 | 18.55 | 0.05 | 0.05 | 30.74 | 0.27 | 0.08 |
C-ES300 | 96.2 | 1.26 | 7.97 | 17.56 | 0.06 | 0.05 | 39.65 | 0.26 | 0.08 |
C-ES400 | 95.7 | 3.69 | 7.85 | 17.07 | 0.07 | 0.07 | 37.95 | 0.25 | 0.08 |
C-ES500 | 94.5 | 6.48 | 7.76 | 16.64 | 0.07 | 0.07 | 36.39 | 0.26 | 0.08 |
C-ES600 | 93.4 | 16.25 | 7.58 | 15.88 | 0.02 | 0.03 | 35.48 | 0.25 | 0.08 |
C-ES700 | 92.6 | 21.14 | 7.70 | 15.58 | 0.06 | 0.07 | 38.60 | 0.26 | 0.08 |
C-ES800 | 90.1 | 14.21 | 8.35 | 14.96 | 0.06 | 0.06 | 40.46 | 0.35 | 0.11 |
C-ES900 | 65.1 | 8.24 | 11.47 | 6.90 | 0.02 | 0.03 | 41.60 | 0.28 | 0.09 |