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[Chemical Knowledge]：What are the upstream raw materials for phosphoric acid? What are the downstream products?

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Phosphoric acid plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The upstream and downstream associated products of phosphoric acid will be described in detail below.

upstream products

1. phosphate rock: phosphate rock is the main raw material for the production of phosphoric acid, which is rich in phosphorus. Phosphoric acid can be obtained from phosphate rock after crushing, grinding, acidolysis and other processes.
2. Sulfuric acid: Sulfuric acid acts as a reactant in the production of phosphoric acid and reacts with phosphate rock to form phosphoric acid. Therefore, sulfuric acid is also an important upstream raw material for phosphoric acid production.

downstream products

1. phosphate fertilizer: phosphoric acid is the main raw material for the production of phosphate fertilizer, such as diammonium phosphate, monoammonium phosphate, etc. Phosphate fertilizer plays an important role in promoting the growth of crops and can improve the yield and quality of crops.
2. Phosphates: Phosphates are a broad class of compounds, such as sodium dihydrogen phosphate, calcium hydrogen phosphate, and the like. They are widely used in food, medicine, daily chemicals and other fields, and can be used as food additives, pharmaceutical raw materials, detergents and so on.
3. Phosphide: Phosphide refers to compounds containing phosphorus, such as zinc phosphide, aluminum phosphide and the like. They have important applications in metallurgy, electronics, military and other fields.

From the above analysis, it can be seen that the upstream and downstream related products of phosphoric acid are very extensive and involve many fields. The production of phosphoric acid is not only of great significance to the development of the chemical industry, but also has an important impact on the development of agriculture, food, medicine and other industries. Therefore, it is of great practical significance to strengthen the R & D and application of phosphoric acid production technology, improve the production efficiency and quality of phosphoric acid, and promote the development of related industries.

At the same time, with the continuous progress of science and technology and the deepening of application, the upstream and downstream related products of phosphoric acid are also constantly expanding and updating. In the future, with the continuous emergence of new technologies and new materials, the upstream and downstream related products of phosphoric acid will be more abundant and diversified, providing broader space and opportunities for the development of various industries.

In short, phosphoric acid has a wide range of upstream and downstream related products in the field of chemical production raw materials, which has important practical significance and future development prospects for promoting the development of related industries.

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