Obtaining the partially acidulated phosphate rocks by means of intermediate-grade phosphate and diluted phosphoric acid: Influence of some parameters

• Autorzy: Mizane A. , Boumerah A. , Dadda N. , Rehamnia R. , Belhait S.

Identyfikatory

DOI

10.1515/pjct-2016-0046

• Języki publikacji: EN

Abstrakty

EN

In this work, some parameters during the partial acidulation by phosphoric acid of phosphate 53.75% BPL (bone phosphate of lime) having different particle sizes are determined. P₂O₅ recovery is obtained by performing a series of reactions using phosphoric acid diluted from 10 to 40 wt.% and with reaction times ranging from 10 to 50 minutes. The best conversion rates are obtained with the following reaction parameters: phosphates size: 88-177 μm, reaction time: 50 minutes and phosphoric acid concentration: 40 wt.%. In the second part, the water-soluble P₂O₅ of PAPRs (Partially Acidulated Phosphate Rocks) obtained with phosphoric acid 30% and 40 wt.% is measured. The results of experiments showed that the water-soluble P₂O₅ has reached 15.2% for PAPRs obtained by reacting phosphate 88 μm with phosphoric acid 40 wt%.

Słowa kluczowe

EN

PAPRs; phosphate rocks; phosphoric acid; water-soluble P2O5

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2016
• Tom: Vol. 18, nr 3
• Strony: 39--43
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Mizane A.

• University Badji Mokhtar, Laboratory of Water Treatment and Recycling of Industrial Waste, Department of Chemistry, BP12, 23000, Annaba, Algeria

autor

Boumerah A.

• University Badji Mokhtar, Department of Chemistry, Annaba, Algeria

autor

Dadda N.

• University Badji Mokhtar, Department of Chemistry, Annaba, Algeria

autor

Rehamnia R.

• University Badji Mokhtar, Department of Chemistry, Annaba, Algeria

autor

Belhait S.

• University Badji Mokhtar, Department of Chemistry, Annaba, Algeria

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.