The applications of Phosphoric Acid in different sides

 
The production of phosphoric acid mainly includes three ways, wet process, the thermal process, and the dry kiln process. According to wet process, we will get low-concentration phosphoric acid, with much more impurity, therefore, it should have another purification of phosphoric acid. By the way of hot method, we will get high-concentration and high purity phosphoric acid, but there is also one disadvantage, which is great power consumption and high costs.
Phosphoric acid is mainly used in the manufacture of various phosphate, such as ammonium phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate, trisodium phosphate, etc and condensation phosphate class.Most phosphoric acid is used in the production of fertilizers. Phosphorus is one of the elements essential for plant growth. Organic phosphates(DBP-Dibutyl phthalate)are the compounds which provide the energy for most of the chemical reactions that occur in living cells. Therefore, enriching soils with phosphate fertilizers enhances plant growth.
Increasing the phosphate concentration in surface waters also enhances the growth of aquatic plant life. Run-off from fertilized farm lands can stimulate plant growth in lakes and streams. Waste water that contains phosphates from detergents can have the same effect. Lakes that are rich in plant nutrients suffer from accelerated eutrophication. When the lush aquatic plant growth in a nutrient-rich lake dies, the decomposition of the dead plant material consumes dissolved oxygen. This consumption reduces the level of dissolved oxygen to a point where it is insufficient to support animal life.
As a result, solutions of soluble phosphates tend to have the same slippery, soapy feel as solutions of strong bases, such as NaOH or KOH.Phosphoric acid is used primarily in the manufacture of fertilizers, detergents, and pharmaceuticals. In the steel industry, it is used to clean and rust-proof the product. It is also used as a flavoring agent in carbonated beverages, beer, jams, jellies and cheeses. In foods, phosphoric acid provides a tart, acidic flavor.

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