Coupling low-frequency ultrasound to a crossflow microfiltration pilot: Effect of ultrasonic pulse application on sono-microfiltration of jackfruit juice

Miramontes Escobar Herenia Adilene, Hengl Nicolas, Dornier Manuel, Montalvo-González Efigenia, Chacón-López Martina Alejandra, Achir Nawel, Vaillant Fabrice, Ortiz Basurto Rosa Isela. 2024. Coupling low-frequency ultrasound to a crossflow microfiltration pilot: Effect of ultrasonic pulse application on sono-microfiltration of jackfruit juice. Membranes, 14 (9):192, 25 p.

Résumé : To reduce membrane fouling during the processing of highly pulpy fruit juices into clarified beverages, a crossflow Sono-Microfiltration (SMF) system was employed, strategically equipped with an ultrasonic probe for the direct application of low-frequency ultrasound (LFUS) to the juice just before the entrance to the ceramic membrane. Operating conditions were standardized, and the application of LFUS pulses in both corrective and preventive modes was investigated. The effect of SMF on the physicochemical properties and the total soluble phenol (TSP) content of the clarified juice was also evaluated. The distance of ultrasonic energy irradiation guided the selection of the LFUS probe. Amplitude conditions and ultrasonic pulses were more effective in the preventive mode and did not cause membrane damage, reducing the operation time of jackfruit juice by up to 50% and increasing permeability by up to 81%. The SMF did not alter the physicochemical parameters of the clarified juice, and the measured LFUS energy ranges did not affect the TSP concentration during the process. This study is the first to apply LFUS directly to the feed stream in a pilot-scale crossflow microfiltration system to reduce the fouling of ceramic membranes and maintain bioactive compounds in jackfruit juice.

Mots-clés Agrovoc : microfiltration, filtration à membranes, jus de fruits, jaquier, technique ultrason, technologie alimentaire, propriété physicochimique, encrassement, ultrason, légume sec

Mots-clés libres : Coupled system, Fouling, Pulpy juice, Sono-microfiltration

Classification Agris : Q02 - Traitement et conservation des produits alimentaires

Champ stratégique Cirad : CTS 3 (2019-) - Systèmes alimentaires

Agences de financement hors UE : Tecnológico Nacional de México

Projets sur financement : (MEX) CONAHCyT-Mexico

Auteurs et affiliations

• Miramontes Escobar Herenia Adilene, CIRAD-PERSYST-UMR Qualisud (FRA)
• Hengl Nicolas, Université de Grenoble (FRA)
• Dornier Manuel, Montpellier SupAgro (FRA)
• Montalvo-González Efigenia, Instituto Tecnologico de Tepic (MEX)
• Chacón-López Martina Alejandra, Instituto Tecnologico de Tepic (MEX)
• Achir Nawel, Montpellier SupAgro (FRA)
• Vaillant Fabrice, CIRAD-PERSYST-UMR Qualisud (COL) ORCID: 0000-0001-6318-1353 - auteur correspondant
• Ortiz Basurto Rosa Isela, Instituto Tecnologico de Tepic (MEX) - auteur correspondant

Source : Cirad-Agritrop (https://agritrop.cirad.fr/612009/)

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