Design and scale-up of sonochemical reactors for food processing and other applications

Gogate, Parag R.; Pandit, Aniruddha B.

doi:10.1016/b978-1-78242-028-6.00024-7

Cited by 8 publications

(6 citation statements)

References 53 publications

(67 reference statements)

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“…The cavity dynamics is defined by two elements: the maximum magnitude accomplished by the cavity before implosion (that determines the pressure and temperature generating during collapse) and the lifetime of the cavity (that defines the distance travelled by the cavity from the place where it is formed) [ 37 , 40 ]. Both elements are of paramount importance for the design of sonochemical reactors and should be optimized by appropriately adjusting the various geometric and operating parameters [ 37 ].…”

Section: Generalities On Sonochemistrymentioning

confidence: 99%

Sonocatalysis: A Potential Sustainable Pathway for the Valorization of Lignocellulosic Biomass and Derivatives

et al. 2017

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Lignocellulosic biomass represents a natural renewable chemical feedstock that can be used to produce high value-added chemicals and platform molecules. Nowadays, there are extensive studies on a variety of aspects concerning the valorization of lignocellulosic biomass into desirable products. Among the current technologies for biomass conversion some require extreme conditions along with high temperatures and pressures. Therefore, major technological innovations based on more economical and environmental methodologies are currently developed both in academic laboratories and in industry. In this context, ultrasound-assisted catalysis constitutes an alternative method offering new strategies to upgrade biomass. The possibility of combining catalysis with sonication indeed provides avenues that are worth exploring for the valorization of lignocellulosic compounds into value-added chemical feedstocks. In this mini-review, the available sonochemical systems are first presented, with a focus on the most important ultrasonic parameters, which is intended to provide a mechanistic background. Next, this contribution aims to provide insight into the most recent developments along with prominent examples in the field of sonocatalysis applied to the chemical transformation of lignocellulosic biomass and its derivatives.Graphical Abstract

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Section: Generalities On Sonochemistrymentioning

confidence: 99%

Sonocatalysis: A Potential Sustainable Pathway for the Valorization of Lignocellulosic Biomass and Derivatives

et al. 2017

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“…The position of immersion probe in an ultrasonic horn is an important parameter which may affect the extent of reflection of the incident sound waves from the liquid surface as well as the reactors walls (Gogate et al 2011). A few novel reactor configurations based on continuous operation have been developed for food processing and other application (Gogate and Pandit 2015;Graff 2015). However, in the laboratory scale, the batch operation approach is commonly used due to the size and possibility of successful application at small operation.…”

Section: Ultrasonic Reactorsmentioning

confidence: 99%

“…Also at higher irradiation power, the bubbles coalesce to form bigger bubbles causing weak implosion so that degradation was reduced (Sutar and Rathod 2015). It is interesting that some of the authors have argued that the trend in energy consumption and its efficiency, higher power gave the best efficiency from the view point of degradation; however, the application of lower power is recommended for scale-up purposes (Gogate and Pandit 2015;Mason 2012;Thokchom et al 2015). Summary of effect of the ultrasonic power on the degradation of pharmaceutical compounds is presented in Table 3.…”

Section: Parameters Affecting the Sonochemical Processmentioning

confidence: 99%

Sonochemical techniques to degrade pharmaceutical organic pollutants

2015

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Pharmaceuticals are one of the chemical groups largely used in health care, diagnosis aids, cure, treatment, and prevention of disease. Increasing production and use of pharmaceutical products has led to the entry of these products into the environment and eventual pollution. Several processes have been studied including the use of ultrasound for the removal of these pollutants from the aquatic environment. This review summarizes recent research advances dealing with the development of sonochemical technologies for the degradation of pharmaceutical organic pollutants. The review also includes the mechanism of sonochemical processes, the characteristics of irradiation sources, and the types of reactors used. Moreover, the important factors affecting the sonochemical oxidation efficiency are discussed, including the electrical power, frequency, and temperature. Finally, this paper discusses the recent applications of sonochemical processes on the degradation of pharmaceutical organic pollutants and suggests new research directions for the development of this promising technology.

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“…Ultrasound has shown promising application in pharmaceutics, wastewater treatment, medical therapy, and also the food industry (Gajendragadkar & Gogate, 2016; Gogate & Kabadi, 2009; Gogate & Pandit, 2015; Zisu et al., 2010)). The primary role of ultrasound in the food industry is to maintain the quality of food materials, cutting, packaging, and detecting foreign materials.…”

Section: Introductionmentioning

confidence: 99%

Applications of ultrasound for food preservation and disinfection: A critical review

Khaire

Thorat

Gogate

2021

Food Processing Preservation

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Ultrasound has excellent potential in reducing microbial contamination and has also shown remarkable results in the wastewater treatment and pollutant removal. The different mechanisms of ultrasound in reducing the microbial contamination in food industry are rather exploratory. The present review focuses on the role of ultrasound in improved disinfection, sanitization, and preservation applications in food processing. This paper discusses the physical and chemical effects of ultrasonic cavitation on microbial inactivation. A comprehensive literature is provided to investigate and analyze the broad area application of ultrasound in preventing the microbial contamination in fruits and vegetables, meat, dairy, and during alcohol fermentation. The applied combination of ultrasound with different novel and conventional methods to intensify the ultrasound‐based effect has also been discussed. Overall, this work clearly establishes the background on the prospects of ultrasound disinfection and cleaning in the food industry as a green, effective, sustainable approach to prevent foodborne diseases. Novelty impact statement The present study establishes a groundwork for the application prospects of ultrasound‐based novel, green, and sustainable methods for disinfection and cleaning in the food industry and provides a new insight into the ultrasound mechanisms while analyzing the combined approaches for varied microbial inactivation practices.

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Design and scale-up of sonochemical reactors for food processing and other applications

Cited by 8 publications

References 53 publications

Sonocatalysis: A Potential Sustainable Pathway for the Valorization of Lignocellulosic Biomass and Derivatives

Sonocatalysis: A Potential Sustainable Pathway for the Valorization of Lignocellulosic Biomass and Derivatives

Sonochemical techniques to degrade pharmaceutical organic pollutants

Applications of ultrasound for food preservation and disinfection: A critical review

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