|
1.FERTILIZER INDUSTRY
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - phosphoric acid 54% |
54% P2O5 |
Concentration |
| - superphosphoric acid |
70% P2O5 |
concentration |
| - ammonium sulphate (synthesis) |
crystals |
crystallization, synthesis |
|
- potassium nitrate
|
crystals |
crystallization by vacuum cooling |
| crystals |
|
| |
crystals |
|
| - calcium nitrate |
crystals, 4 H2O |
crystallization by surface cooling |
| - potassium chloride |
crystals |
crystallization by vacuum cooling |
| |
crystals |
|
- potassium chloride industry, by-products
Ex:magnesium sulphate |
crystals, 7 H2O |
crystallization by vacuum cooling |
| - ammonium phosphates (MAP, DAP) |
crystals |
crystallization, synthesis |
| - urea |
crystals |
crystallization by evaporation |
| - potassium sulphate |
crystals |
crystallization by evaporation |
2. CHEMICAL INDUSTRY / FIBERS AND POLYMERS INTERMEDIATES
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - ammonium sulphate (purges from caprolactam, acrylic acid, methyl metacrylate) |
crystals |
crystallization by evaporation
crystallization, synthesis |
| - adipic acid |
crystals |
crystallization by vacuum cooling |
| - sodium carbonate |
crystals, 1H2O |
crystallization by evaporation |
3. CHEMICAL INDUSTRY / CHLORINE
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - sodium chloride |
crystals |
crystallization by evaporation |
| - caustic soda from diaphragm electrolysis cells |
50% NaOH + NaCl |
concentration +crystallization |
| - caustic soda from membrane electrolysis cells |
50% NaOH |
concentration |
| - sodium chlorate |
crystals |
crystallization by evaporation |
| - potassium chlorate cooling |
crystals |
crystallization by vacuum |
| - sodium perchlorate |
crystals, 1H2O |
crystallization by evaporation |
| - ammonium perchlorate |
crystals |
crystallization by cooling |
| - sodium sulphate (Glauber salt) cooling |
crystals, 10H2O |
crystallization by vacuum |
| - sodium sulphate (anhydrous) |
crystals |
crystallization by evaporation |
4. SALT PRODUCERS
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - sodium chloride |
crystals |
crystallization by evaporation |
| - sodium sulphate (Glauber salt) cooling |
crystals, 10H2O |
crystallization by vacuum |
| - sodium sulphate (anhydrous) |
crystals |
crystallization by evaporation |
5. CHEMICAL INDUSTRY / ORGANICS
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - malic acid |
crystals |
crystallization by vacuum cooling |
| - fumaric acid |
crystals |
crystallization by evaporation |
| - hexamine |
crystals |
crystallization by evaporation |
6. SODA INDUSTRY
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - sodium carbonate |
crystals, 1H2O |
crystallization by evaporation |
| - calcium chloride |
flakes, 2H2O |
crystallization by evaporation |
7. TITANIUM DIOXYDE (sulfuric acid process)
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - concentration of process liquor “black liquor” |
22% TiOSO4 |
concentration |
| - ferrous sulphate (Copperas) cooling |
crystals, 7H2O |
crystallization by vacuum |
8. BORIC ACID and BORATES
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - boric acid |
crystals |
crystallization by vacuum cooling |
| - borate pentahydrate |
crystals, 5H2O |
crystallization by vacuum cooling |
| - borate decahydrate |
crystals, 10H2O |
crystallization by vacuum cooling |
| - perborate |
crystals, 4H2O |
crystallization by evaporation |
9. METALLURGY / HYDROMETALLURGY
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - ammonium sulphate |
crystals |
crystallization, synthesis |
| - ferrous chloride |
crystals, 4H2O |
crystallization by evaporation |
| - ferric chloride |
40% by weight |
concentration |
| - lithium chloride |
crystals, H2O |
crystallization by evaporation |
| - copper chloride |
crystals, 2H2O |
crystallization by evaporation |
| - aluminium chloride |
crystals, 6H2O |
HCl sparging |
| - copper sulphate |
crystals, 5H2O |
crystallization by evaporation |
| - cobalt sulphate |
crystals, 7H2O |
crystallization by evaporation |
| - nickel sulphate |
crystals, 6H2O |
crystallization by evaporation |
| - other sulphate such as zinc, and molybdenium |
crystals |
|
| - sodium sulphate |
crystals |
crystallization by evaporation |
10. CATTLE FOOD
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - lysine |
62% by weight |
concentration |
| - methionine |
crystals |
crystallization by evaporation |
| - ammonium sulphate (by-product of the methionine production) |
crystals |
crystallization by evaporation |
11. MISCELLANEOUS
| PRODUCT |
END PRODUCT |
TYPE OF OPERATION |
| - sterols (b sitosterol), from black liquor (paper industry) |
crystals |
crystallization by vacuum cooling |
| - ammonium chloride |
crystals |
crystallization by evaporation |
| - recovery of KCl and NaCl from aluminium recycling process |
crystals NaCl crystals KCl |
NaCl by evaporation
KCl by vacuum cooling |
| - NaCl from incineration of garbage |
NaCl 5 to 10% |
crystals crystallization by evaporation |
| - CaCl2 from incineration of garbage evaporation |
CaCl2 5 to 10% |
crystals crystallization by evaporation |
12. ENERGY
| |
|
| PRODUCT |
PROCESS |
FEED* |
END PRODUCT |
TYPE OF OPERATION |
| - SO2 recovery from flue gas |
Wellman Lord/gas scrubbing |
Na2SO3 solution |
SO2 |
evaporation |
| - ammonium sulfate G.E. |
Walther or other/gas scrubbing |
ammonium sulphate solution |
crystals |
evaporation |
13. AGRO-INDUSTRY
| PRODUCT |
PROCESS |
FEED* |
END PRODUCT |
TYPE OF OPERATION |
| - citric acid |
fermentation |
|
anhydrous, 1 H2O |
crystallization by evaporation |
| - citrates |
fermentation |
|
|
|
| - distillery, yeast and sodium glutamate slops with recovery of salts |
fermentation |
K2SO4 and other |
|
crystallization by evaporation |
|
نشانی دفتر مرکزی : تهران، خیابان ولیعصر، خیابان شناسا، شماره 7