According to agricultural ministry announcement about the necessity of ASP new fertilizer and the technical evaluations related to its production in de ammonium phosphate unit no.1 of Razi petrochemical complex, producing the fertilizer started on Monday 31/2/1380. After its tentative production in the old unit and investigating the unit conditions and the new production, its production started in new DAP unit. Production authority for the fertilizer was taken from agricultural ministry and the ministry suggested the selling price as the same as DAP price. This fertilizer contains 18% azoth, 35% P2O5 and 20% sulfate. In order to produce 700 ton per day of the fertilizer, about 77 ton of P2O5 consumption should be decreased and about 106 ton of sulfuric acid consumption shall be added.
By producing 400000 tons of this fertilizer per year, about 44000 tons of P2O5 importing per year will be prevented and it has approximately $22 million economies.
The fertilizer production moreover economies has the following advantages:
- Preventing the ammonia wastage in DAP units.
- Its consumption causes to decrease PH and soil saltiness and increases the plant resistance against diseases and increases the production efficiency.
- This three purposes fertilizer are very useful in relation with providing a part of azoth and all necessary phosphor and sulfur of garden and cultivated productions and also it is very suitable for country’s gardens. Its effectiveness is more than ammonium phosphate fertilizer.