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American Journal of Innovative Research & Applied Sciences
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| ARTICLES | Am. J. innov. res. appl. sci. Volume 5, Issue 6, Pages 445-453 (December 2017)
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Review Article
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American Journal of innovative
Research & Applied Sciences
Research & Applied Sciences
ISSN 2429-5396 (Online)
OCLC Number: 920041286
OCLC Number: 920041286
|
| DECEMBER | VOLUME 5 | N° 6 | 2017 |
Authors Contact
*Correspondant author and authors Copyright © 2017:
| Fatima Daide | Farah EL Hassani | Abderrahim Lahrach | and | Abdel-Ali Chaouni |
*Correspondant author and authors Copyright © 2017:
| Fatima Daide | Farah EL Hassani | Abderrahim Lahrach | and | Abdel-Ali Chaouni |
Affiliation.
1. Tishreen University | Faculty of Agriculture | Department of Water and Soil sciences | Lattakia |Syria |
2. Tishreen University | High institute of environmental researches | Department of Environmental Chemistry | Lattakia | Syria |
1. Tishreen University | Faculty of Agriculture | Department of Water and Soil sciences | Lattakia |Syria |
2. Tishreen University | High institute of environmental researches | Department of Environmental Chemistry | Lattakia | Syria |
This article is made freely available as part of this journal's Open Access: ID | Zyad-ManuscriptRef.1-ajira071217 |
ABSTRACT
Background: Eutrophication occurs in lakes and fresh water when total Phosphate (P) concentrations content exceeds 0.1 mg.L-1. Therefore, P- removal is an important procedure for water purification. In the last decades, adsorption is low-cost technology and one of best solutions for water and wastewater purification. Natural Syrian zeolitic ore (NSZO) gets more attention in Syria. Many researchers suggest NSZO as well-surfactant raw material to be used as promising fertilizer, and for removal of heavy metals and ammonium from drink and waste waters. Objectives: This Research aims to characterize NSZO and to study its efficiency in P- removal from water solutions. Methods: In order to identify the main characteristics of NSZO, XRD pattern analysis is carried out to point out main minerals in the natural ore. Batch experiment used to study P adsorption (removal) and factors that affect P- removal by NSZO. Results: XRD data identified Calcite, Quartz, and zeolite as the main components of NSZO, where Analcime and Phillipsite was the main zeolitic minerals. Otherwise, Phosphate sorption may attribute to Fe-OH sites in oxides components of NSZO, considering Fe(III) oxides content (181.4 g.Kg-1). P-removal increases between 100% and 70% as initial P concentration varies from 5 to 60 mg.L-1. Besides, All used adsorption models (Langmuir, Freundlich and Dubinin - Radushkevich) describe well adsorption as favorable mechanism (R2>0.9), other mechanisms like precipitation or even chemisorption may take place quietly slow. Conclusions. NSZO seemed to be a promising material for P- removal from water solutions. It is suggested that NSZO efficiency in P- removal is caused by zeolites, iron oxides and calcite.
Keywords: Phosphate, Removal efficiency, Analcime, Phillipsite .
Background: Eutrophication occurs in lakes and fresh water when total Phosphate (P) concentrations content exceeds 0.1 mg.L-1. Therefore, P- removal is an important procedure for water purification. In the last decades, adsorption is low-cost technology and one of best solutions for water and wastewater purification. Natural Syrian zeolitic ore (NSZO) gets more attention in Syria. Many researchers suggest NSZO as well-surfactant raw material to be used as promising fertilizer, and for removal of heavy metals and ammonium from drink and waste waters. Objectives: This Research aims to characterize NSZO and to study its efficiency in P- removal from water solutions. Methods: In order to identify the main characteristics of NSZO, XRD pattern analysis is carried out to point out main minerals in the natural ore. Batch experiment used to study P adsorption (removal) and factors that affect P- removal by NSZO. Results: XRD data identified Calcite, Quartz, and zeolite as the main components of NSZO, where Analcime and Phillipsite was the main zeolitic minerals. Otherwise, Phosphate sorption may attribute to Fe-OH sites in oxides components of NSZO, considering Fe(III) oxides content (181.4 g.Kg-1). P-removal increases between 100% and 70% as initial P concentration varies from 5 to 60 mg.L-1. Besides, All used adsorption models (Langmuir, Freundlich and Dubinin - Radushkevich) describe well adsorption as favorable mechanism (R2>0.9), other mechanisms like precipitation or even chemisorption may take place quietly slow. Conclusions. NSZO seemed to be a promising material for P- removal from water solutions. It is suggested that NSZO efficiency in P- removal is caused by zeolites, iron oxides and calcite.
Keywords: Phosphate, Removal efficiency, Analcime, Phillipsite .
PHOSPHATE REMOVAL FROM NATURAL WATERS BY NATURAL SYRIAN ZEOLITIC ORE: SORPTION STUDY
| Zyad Hatem 1 | Leila Habib 1 | and | Mohammad Ghafar 2 |. Am. J. innov. res. appl. sci. 2017; 5(6):445-453.
| PDF FULL TEXT | | Received | 06 November 2017| | Accepted | XX December 2017 | | Published XX December 17 |
| Zyad Hatem 1 | Leila Habib 1 | and | Mohammad Ghafar 2 |. Am. J. innov. res. appl. sci. 2017; 5(6):445-453.
| PDF FULL TEXT | | Received | 06 November 2017| | Accepted | XX December 2017 | | Published XX December 17 |