Reduction of fluoride and sulfate ions in Syrian phosphoric acid by extraction with tertiary amins

Periodica Polytechnica Chemical Engineering

Volumn 52, Issue 2, 2008, Pages 57-60

  Abdulbake, Mohamed Alkhaled ^a  

^a DEPARTMENT OF MOLECULAR BIOLOGY AND BIOTECHNOLOGY   (Syrian Arab Republic)

Author keywords

Amins; Extraction; Fluoride; Phosphoric acid; Sulfate

Indexed keywords

EXTRACTION; FLUORINE COMPOUNDS; PHOSPHORIC ACID;

% REDUCTIONS; AMINS; EFFECT OF SOLVENTS; FLUORIDE; FLUORIDE ION; LIQUID-LIQUID EXTRACTION; SOLVENT CONCENTRATION; SULFATE-ION CONTENTS; SULPHATE ION; WET PHOSPHORIC ACIDS;

SULFUR COMPOUNDS;

EID: 67949092896     PISSN: 03245853     EISSN: 15873765     Source Type: Journal    
DOI: 10.3311/pp.ch.2008-2.02     Document Type: Article

References (12)

1. Baidoun R, AbuHillal J, Allaf AW, Effective reduction of fluorine content in Syria commercial phosphoric acid using silica-gel under three different conditions, Afinidad 58 (2001), no. 493, 196-209.
2. Wahoud A, Shino O, Khorfan S, Investigation of the synergistic of etheric compounds on the extraction of H3PO4 from Syrian wet phosphoric acid by TBP, Afinidad 61 (2004), no. 509, 39-42.
3. Aharon E, Klara H, Avraham B, A process for defluorination and purification of wet process phosphoric acids containing high Al concentrations, Solvent Extraction and Ion Exchange 2 (1984), no. 4-5, 677-697.
4. Ruiz F, Marcilla A, Martinez D, Purification of wet process phosphoric acid by extraction with 3-Pentanone. Study of the impurities distribution, Solvent Extraction and Ion Exchange 11 (1993), no. 3, 455-467. Comment on the purification behavior of different solvents.
5. Habashi F, Awadalla F, The removal of fluorine from wet process phosphoric acid, Separation Science and Technology 18 (1983), no. 5, 485-491, DOI 10.1080/01496398308060289.
6. Purification of wet phosphoric acid with solvent extraction, 1, 1992. MEAB Mettallextractio AB.
7. Canadian patent database: Solvent extraction of a halide from an aqueous sulphate solution.
8. Aharon E, Klara H, Avraham B, Wet process phosphoric acid defluorination by amine-based extractants, Solvent Extraction and Ion Exchange 2 (1984), no. 4-5, 659-675.
9. Abdulbaki M, Shino O, Removing the cadium, arsenic and sulfate ions from wet process phosphoric acid, Periodica Polytechnica Chem. Eng. 48 (2004), no. 1, 63-71.
10. Abdulbake M, Shino O, Synergistic effect of some alcohols on the extraction of H3PO4 from Syrian wet phosphoric acid by TBP, Periodica Polytechnica Chem. Eng. 51 (2007), no. 1, 3-6, DOI 10.3311/pp.ch.2007-1.01.
11. Khorfan S, Shino O, Wahoud A, Extraction of H3PO4 from wet phosphoric acid by nC4 - nC7 alcohols, Periodica Polytechnica Chem. Eng. 45 (2001), no. 2, 139-148.
12. Moussa Alibrahim, Extraction of phosphoric acid from various aqueous solutions using tributyl phosphate (TBP), Periodica Polytechnica Chem. Eng. 51 (2007), no. 1, 39-42, DOI 10.3311/pp.ch.2007-1.07.