Phosphoric Acid Purification Uses Technology And Economics Pdf

phosphoric acid purification uses technology and economics pdf

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The process allows application to previously unrecoverable secondary raw materials and is more efficient than existing processes. For the extraction of phosphoric acid from primary raw materials mainly raw phosphates are used industrially. Gleichzeitig entsteht als Nebenprodukt das entsprechende Calciumsulfat, -nitrat oder -chlorid.

Phosphoric Acids and Phosphates

Jasinski Phosphate Rock U. Baniel and R. Williams and F. Goret and L. Bunin F. Kelso and R. Moss and M.

Machorro, J. Olvera, A. Larios, H. The objective of this research was to study the purification of industrial-grade phosphoric acid P 2 O 5 by conventional electrodialysis. The experiments were conducted using a three-compartment cell with anion and cation membranes, and industrial acid solution was introduced into the central compartment. The elemental analysis of the diluted solution indicated that the composition of magnesium, phosphates, and sodium was reduced in the central compartment. The ratios of the concentration of the ions and the phosphates were essentially unchanged by the process.

Phosphoric Acid: Purification, Uses, Technology, and Economics

The rise and rationalization of the industrial phosphates industry have gone hand in hand with the development and maturation of technologies to purify phosphoric acid. In the s and 70s, driven by the exponential sales growth of the detergent-builder sodium tripolyphosphate, chemical producers raced to develop processes that would provide a sufficiently pure phosphoric acid feedstock for manufacture to undercut thermal phosphoric acid made from phosphorus. As environmental and political pressure led to a collapse in demand for sodium tripolyphosphate in the s, the commercial pressures to rationalize at plant and corporate levels rose such that only the fittest survived. Phosphoric Acid: Purification, Uses, Technology, and Economics, the first and only book of its kind to be written on this topic, covers the development of purification technologies for phosphoric acid, especially solvent extraction, describing the more successful processes and setting this period in the historical context of the last years. Individual chapters are devoted to the key derivative products which are still undergoing active development, as well as to sustainability and how to approach the commissioning of these plants.


Phosphoric Acid: Purification, Uses, Technology, and Economics book cover with the development and maturation of technologies to purify phosphoric acid.


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The phosphoric acid industry: equipment, materials, and corrosion

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