期刊
ULTRASONICS SONOCHEMISTRY
卷 67, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ultsonch.2020.105134
关键词
Ultrasound; Adsorption; Industrial phosphoric acid; Organic substance; Optimization; Nanoparticles
资金
- Higher Education Commission Sfax -Tunisia
Organic substance (O.S) in industrial phosphoric acid (IPA) solution is often tacked placed creates a major problem for IPA quality. This study was performed to assess the efficiency of Iron Intercalated Bentonite Nanoparticles (IIBN) coupled with the ultrasonic irradiation named sono-adsorption process for treating IPA 54% P2O5 contained O.S. XRD, SEM and BET were performed for the characterization of as-prepared adsorbent. Several conditions such as adsorbent dosage, molar ratio (OH/Fe) and time were investigated in retention experiments at acidic pH and T degrees of 40 +/- 1 degrees C. The sono-assisted retention parameters were optimized by using NEMROOD software. The interaction impact of study condition on the final retention capability of the organism has been revealed by ANOVA software. Accordingly, the organic substance removal can be retained more than 83% by a sonication time of 0.5 h, absorbent dosage of 1.2 g/L and a molar ratio (OH/Fe) of 1.37. The absorbability of O.S was also evaluated by using the three parameters retention isotherms and kinetic analysis.
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