Optimizing dissolved gas composition in a double-bath-type sonoreactor for efficient production of ultrasonic-activated water with stable oxygen and nitrogen reactive species

Le, Bao-Ngoc T.; Nguyen, Nguyen-Phuong; Duong, Thanh-Linh H.; Nguyen, Tri; Hoang, Tien-Cuong; Nguyen, Hong-Ha T.; Vo, Dai-Viet N.; Nguyen, Hoang-Duy P.; Pham, Thuy-Phuong T.

doi:10.1039/d3re00206c

React. Chem. Eng.

2023

DOI: 10.1039/d3re00206c

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Optimizing dissolved gas composition in a double-bath-type sonoreactor for efficient production of ultrasonic-activated water with stable oxygen and nitrogen reactive species

Bao-Ngoc T. Le,

Nguyen-Phuong Nguyen,

Thanh-Linh H. Duong

et al.

Abstract: Plasma-activated water (PAW), which mainly contains reactive oxygen and nitrogen species, has recently gained considerable attention due to its potential applications in disinfection of food and sustainable agriculture. However, the...

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Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C₃N₄) for H₂O₂ Generation and Dye Degradation in the Presence of Ultrasound

Karunakaran,

Nguyen,

Bowen

et al. 2024

Adv Eng Mater

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This paper examines the effect of saturated gases on H2O2 generation and dye degradation using graphitic‐carbon nitride (g‐C3N4) as a piezoelectric catalyst. A detailed catalytic evaluation was carried out using a double‐bath sono‐reactor, where the performance of g‐C3N4 for H2O2 production and degradation of rhodamine B and indigo carmine dyes was evaluated for a range of catalyst dosage levels and saturated gases. Specific gases were selected to understand their role in the sonochemical production of reactive oxygen species (ROS) and reactive nitrogen species (RNS) and to elucidate the potential catalytic mechanism. The use of an Ar‐O2 gas mixture led to the highest yield for H2O2 production and dye degradation due to the positive effect of argon and oxygen in the generation of H2O2 and reactive oxygen species, respectively. The presence of nitrogen in both air and in an Ar‐air mixture increased H2O2 generation since reactive nitrogen species improved the conversion of •OH into H2O2. In contrast, air and Ar‐air negatively influenced the generation of ROS, which resulted in a low rate of dye degradation. This work provides new insights of the mechanisms of sonochemical and piezocatalytic processes in the use of graphitic‐carbon nitride in catalytic applications.This article is protected by copyright. All rights reserved.

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Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C₃N₄) for H₂O₂ Generation and Dye Degradation in the Presence of Ultrasound

Karunakaran,

Nguyen,

Bowen

et al. 2024

Adv Eng Mater

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show abstract

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Optimizing dissolved gas composition in a double-bath-type sonoreactor for efficient production of ultrasonic-activated water with stable oxygen and nitrogen reactive species

Abstract: Plasma-activated water (PAW), which mainly contains reactive oxygen and nitrogen species, has recently gained considerable attention due to its potential applications in disinfection of food and sustainable agriculture. However, the...

Cited by 1 publication

References 77 publications

Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C₃N₄) for H₂O₂ Generation and Dye Degradation in the Presence of Ultrasound

Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C₃N₄) for H₂O₂ Generation and Dye Degradation in the Presence of Ultrasound

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Optimizing dissolved gas composition in a double-bath-type sonoreactor for efficient production of ultrasonic-activated water with stable oxygen and nitrogen reactive species

Abstract: Plasma-activated water (PAW), which mainly contains reactive oxygen and nitrogen species, has recently gained considerable attention due to its potential applications in disinfection of food and sustainable agriculture. However, the...

Cited by 1 publication

References 77 publications

Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C3N4) for H2O2 Generation and Dye Degradation in the Presence of Ultrasound

Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C3N4) for H2O2 Generation and Dye Degradation in the Presence of Ultrasound

Contact Info

Product

Resources

About

Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C₃N₄) for H₂O₂ Generation and Dye Degradation in the Presence of Ultrasound

Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C₃N₄) for H₂O₂ Generation and Dye Degradation in the Presence of Ultrasound