Sonochemistry dosimetries in seawater

被引:3
|
作者
Khaffache, Rabiaa [1 ]
Dehane, Aissa [2 ]
Merouani, Slimane [2 ]
Hamdaoui, Oualid [3 ]
Ferkous, Hamza [1 ]
Alrashed, Maher M. [3 ]
Gasmi, Intissar [4 ]
Chibani, Atef [5 ]
机构
[1] Badji Mokhtar Annaba Univ, Fac Engn, Dept Proc Engn, Lab Environm Engn, POB 12, Annaba 23000, Algeria
[2] Univ Constantine 3 Salah Boubnider, Fac Proc Engn, Dept Chem Engn, Lab Environm Proc Engn, POB 72, Constantine 25000, Algeria
[3] King Saud Univ, Coll Engn, Chem Engn Dept, POB 800, Riyadh 11421, Saudi Arabia
[4] Ecole Cent Lyon, Lab Ampere, 36 Ave Guy Collongue, F-69134 Ecully, France
[5] Res Ctr Ind Technol CRTI, POB 64, Algiers 16014, Algeria
关键词
Dosimetry; Iodometry; Fricke; 4-Nitrophenol; Ascorbic acid; ASCORBIC-ACID REDUCTION; MULTIBUBBLE SONOLUMINESCENCE; ULTRASONIC DEGRADATION; COMBINING SONOLYSIS; ACOUSTIC GENERATION; CAVITATION BUBBLE; HYDROGEN-PEROXIDE; ACTIVE CHLORINE; ORGANIC-MATTER; WATER MATRICES;
D O I
10.1016/j.ultsonch.2023.106647
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Due to the complex physical and chemical interactions taking place in the sonicated medium, various methods have been proposed in the literature for a better understanding of the sonochemical system. In the present paper, the performance of calorimetry, iodometry, Fricke, 4-nitrophenol, H2O2, and ascorbic acid dosimetry techniques have been evaluated over the electric power range from 20 to 80 W (f = 300 kHz). These methods have been analyzed for distilled and seawater in light of the literature findings. It has been found that the lowest temperatures and calorimetric energies were obtained for seawater in comparison to distilled water. However, the discrepancy between both mediums disappears with the increase in the electric power up to 80 W. Compared to the calorimetry results, a similar trend was obtained for the KI dosimetry, where the discrepancy between both solutions (seawater and distilled water) increased with the reduction in the electric power down to 20 W. In contrast, over the whole range of the electric power (20-80 W), the H2O2 dosimetry was drastically influenced by the salt composition of seawater, where, I-3(-) formation was clearly reduced in comparison to the case of the distilled water. On the other hand, a fluctuated behavior was observed for the Fricke and 4-nitrophenol dosimetry methods, especially at the low electric powers (20 and 40 W). It has been found that dosimetry techniques based on ascorbic acid or potassium iodide are the best means for accurate quantification of the sonochemical activity in the irradiated liquid. As a result, it has been concluded, in terms of the dosimetry process's performance, that the dosimetry methods are in the following order: Ascorbic acid approximate to KI > Fricke > 4-nitrophenol > H2O2.
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页数:14
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