1- Uses Of Sodium Sulphate (Na2SO4)
The demand for sodium sulphate is increasing in both the local and international markets. It has a wide range of uses , in detergents and other industrial purposes such as glass, textile dyeing , paper, medical industries, animal feed and some compound fertilizers.
2- Specifications of EMISAL – Sodium Sulphate Product
| Item |
Analysis |
| Na2SO4 |
99 % minimum |
| NaCl |
0.5 % maximum |
| Humidity |
0.2 % maximum |
| Specific gravity |
1.3-1.4 g/cm3 |
| Shape |
free flowing crystals |
| Colour |
snow-white, 90% as compared with barium sulphate |
| pH |
Between 6-7 for the 1% solution |
Size distribution of Sodium Sulphate :
Sodium Sulphate is produced in a size grading suitable for industry as follows:
| Size |
Percent |
| Passing from 9 mesh (2000 micron) |
100% wt |
| + 20 mesh (800 micron) |
2% wt Max. |
| + 60 mesh (250 micron) |
70% wt Max. |
| 60 – 250 mesh (250 - 63 micron) |
65% wt Max. |
| 250 mesh (63 micron) |
20% wt Max. |
Chemical analysis according to ISO 3237 & 3241
The sodium sulphate produced from Lake Qarun contain heavy metals , iron and rare metals below the permissible limit .
3- Marketing of EMISAL Sodium Sulphate :
The marketing policy of the company moves along two lines.
- To cover the domestic need and protect the Egyptian consumer from going back to importing the salt .
- Export the surplus production to the international markets .
1- The Local Market :
The anhydrous sodium sulphate produced by EMISAL was well received by the local market. Now it covers all its demand. Total production during the period 1997 – 2008 is 1.3 million tons.
2-Export :
After satisfying the local market, EMISAL exports a substantial part of its production to the neighboring countries including Saudi Arabia, Jordan, Syria, Lebanon, Greece, Turkey, Sudan, Ereteria, Tunisia, Morocco and Others.