Compositions and methods for the removal of phosphates and other contaminants from aqueous solutions

A composition comprising calcium silicate, calcium hydroxide, sodium chloride, silicon dioxide and calcium carbonate crystal structures characterized by an X-ray diffraction pattern expressed in terms of Bragg angle 2Θ, interplanar spacing, and relative intensity values:

• Bragg angle 2Θ
• d
• Relative intensity
• 18.1063
• 4.89532
• 28.67409
• 19.8817
• 4.46199
• 4.547442
• 20.8849
• 4.24989
• 10.05302
• 23.1636
• 3.8367
• 4.609025
• 26.6747
• 3.33912
• 63.91426
• 27.4448
• 3.24714
• 8.931069
• 28.7186
• 3.10595
• 9.66074
• 29.3996
• 3.03554
• 46.35756
• 31.6566
• 2.82407
• 100
• 34.2154
• 2.6185
• 36.79283
• 36.037
• 2.49021
• 2.083547
• 39.4625
• 2.28158
• 15.03306
• 41.2618
• 2.18615
• 8.137185
• 43.3281
• 2.08656
• 2.265682
• 45.4881
• 1.99237
• 56.2733
• 47.2604
• 1.92171
• 14.82384
• 47.4848
• 1.91314
• 11.70157
• 48.6166
• 1.87122
• 5.406887
• 50.137
• 1.81798
• 9.067216
• 50.8006
• 1.79578
• 13.45406
• 54.3658
• 1.68613
• 6.826049
• 56.523
• 1.62679
• 16.33507
• 59.9928
• 1.54073
• 6.003494
• 62.7463
• 1.47958
• 1.05093
• 64.2216
• 1.4491
• 2.82968
• 66.2656
• 1.40927
• 6.570272
• 68.2524
• 1.37301
• 4.79262
• 75.3313
• 1.26058
• 13.07787
• 81.4414
• 1.18074
• 1.714596
• 84.0006
• 1.15116
• 9.304232
• 84.7205
• 1.14321
• 3.51105
• 107.4102
• 0.95571
• 0.94311
• 110.036
• 0.94013
• 4.214059.