How are phosphates used in processed cheese and boiler-water treatment?

Phosphates are versatile compounds derived from phosphoric acid that serve various industrial and food-related functions.

Regarding your specific questions:

• Processed Cheese: Disodium phosphate is utilized in the production of processed cheese as an additive.1
• Boiler-Water Treatment: Phosphates are employed in the treatment of boiler water within steam plants. In the context of water management, chemicals like trisodium phosphate are used to soften water by helping to remove dissolved calcium and magnesium salts, which otherwise form hard, adherent scale on boiler plates that reduces heat conductivity and causes equipment deterioration.12

While phosphates are essential in these applications, it is important to note that the broader use of phosphorus, particularly in fertilizers, has raised environmental concerns, as runoff can lead to the contamination of waterways and the development of algal blooms.3