Calcium hydroxide used for water treatment
Caicium Hydroxide
Physical and chemical characters
Fine white powder,specific gravity 2.24,decomposes at 580 to form calcium oxide,and will absorb CO 2 to form CaCO 3 in the open air.Dissolvable in acid and glycerin,difficult to dissolve in water,undissolvable in ethanol.
Specification
Grade | CaO(%) | Impurity( % ) | CO 2 (%) | Remains above the mesh | |
600um | 150um | ||||
special | ≥ 72.0 | ≤ 3.0 | ≤ 1.5 | pass | ≤ 5.0 |
grade 1 | ≥ 70.5 |
|
| pass | |
grade 2 | ≥ 68.5 |
|
| pass | |
standard | ≥ 67.0 |
|
| pass | |
HYDRATED LIMEPacked in 25 kg,polypropylene Bags with polythene,inner liner;:SPECIFICATIONSpurity: 90+/- 3% as ca(OH)2: Sand & Grit: pract.Nil:CaCo3: 1.48%: CaSo4: 0.48%: MGO: 0.72%: Fe2O3:0.08%: Al2O3: 0.17%: Pb:2ppm: As2O3: 3.7 ppm,HUMIDITY ; 0.36%PURPOSE: River water PH adjustment.
Water treatment hydrated lime powder90%--95%
