2020
DOI: 10.1016/j.ultsonch.2019.104816
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Direct contact ultrasound for fouling control and flux enhancement in air-gap membrane distillation

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Cited by 41 publications
(15 citation statements)
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“…26,27 Low-frequency ultrasound (LFU, power ultrasound), a kind of ultrasound wave with frequencies ranging from 20 to 100 kHz, and high sound power or sound intensity, has been addressed as a new non-thermal emerging technology. It has strong potential for various processes in the food industry including sterilization, 28 extraction, 29 crystallization, 30 degassing, 31 thawing, 5 filtration, 32 drying, 33 depolymerization, 34 and so on. Ultrasound has been shown to be effective during the thawing of food materials.…”
Section: Introductionmentioning
confidence: 99%
“…26,27 Low-frequency ultrasound (LFU, power ultrasound), a kind of ultrasound wave with frequencies ranging from 20 to 100 kHz, and high sound power or sound intensity, has been addressed as a new non-thermal emerging technology. It has strong potential for various processes in the food industry including sterilization, 28 extraction, 29 crystallization, 30 degassing, 31 thawing, 5 filtration, 32 drying, 33 depolymerization, 34 and so on. Ultrasound has been shown to be effective during the thawing of food materials.…”
Section: Introductionmentioning
confidence: 99%
“…There are two types of US connections in the membrane module, i.e. in-situ (internal) and exsitu (external) [39]. The advantage of the in-situ connection is that it requires low US power to remove the fouling layer from the membrane surface as the transducers can be close to the membrane [40].…”
Section: Integration Of Us With Pressure-driven Membrane Technologymentioning
confidence: 99%
“…Researchers tested different chemical, physical, and US technology techniques to improve the permeate flux and reduce membrane fouling [39,91,109]; the latter technique is the subject of interest. Most US applications for alleviating RO fouling and improving permeate flux have been implemented in ultrasonic bath configuration on a lab-scale, as shown in Figure 5.…”
Section: Ro-usmentioning
confidence: 99%
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