Ultrafiltration for recovery of rice protein: Fouling analysis and technical assessment

Doan, Ngoc Thuc Trinh; Lai, Quoc Dat

doi:10.1016/j.ifset.2021.102692

Cited by 15 publications

(7 citation statements)

References 55 publications

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“…The set of Equations (7 and 8) were solve by the fourth order Runge–Kutta method in Matlab software (version R2018a). This mathematical model has been successfully applied in modeling in concentration waste fresh tea leaf extract by RO (Lai et al, 2021), as well as purification and concentration rice protein by ultrafiltration (Doan & Lai, 2021).…”

Section: Methodsmentioning

confidence: 99%

Flux decline and fouling analysis in reverse osmosis of watermelon juice

Lại

Thuc

Hoang

2022

J Food Process Engineering

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In this paper, the concentration of watermelon juice by HR98PP membrane was investigated at 30 and 40 bar of operating pressure. The semi-empirical model of permeate flux was determined. The predominant fouling mechanism in the concentration was found to be complete blocking by Hermia's model. Recovery yield and content of total solid, lycopene and antioxidant capacity in concentrate was analyzed. Results indicated that, concentration of watermelon juice by HR98PP at 40 bar exhibited the higher effectiveness than that at 30 bar. At 40 bar and 2.25 of CF, contents of total sugar (TS), lycopene and antioxidant capacity in concentrate were 171.31 g/L, 83.9 mg/L and 124.74 mg TEAC/L, respectively. Recovery yields of TS, lycopene and antioxidant capacity in concentrate were 98.67. 90.03 and 82.39 %, respectively. Maximum CF value of concentration at 40 bar of operating pressure was 2.64.The mathematical model was built for estimation of the change in the contents of lycopene and TS versus time.Maximum theoretical content of lycopene and TS at 40 bar were estimated as 185 mg/L and 341 g/L, respectively.The cleaning procedure with NaOH solution at pH10 could fully recovery permeate flux after the concentration.Results imply that, concentration of watermelon juice by HR98PP was feasible.

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Section: Methodsmentioning

confidence: 99%

Flux decline and fouling analysis in reverse osmosis of watermelon juice

Lại

Thuc

Hoang

2022

J Food Process Engineering

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“…The fouling phenomenon mostly occurs as a result of the precipitation and deposition of undesired molecules or particles onto the membrane surfaces and pores . It is worth noting that the fouling not only reduces the flow of the stream passing through the membrane but also has a substantial impact on the membrane’s selectivity due to pore blockage (size exclusion), changes in surface chemistry, and the adsorption of foulants. ,− …”

Section: Introductionmentioning

confidence: 99%

High Recovery of Ceramic Membrane Cleaning Remediation by Ozone Nanobubble Technology

Rafryanto,

Ramadina,

Nur’aini

et al. 2024

ACS Omega

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The persistent issue of ceramic membrane fouling poses significant challenges to its widespread implementation. To address this concern, ozone nanobubbles (ozone-NBs) have garnered attention due to their remarkable mass transfer efficiency. In this investigation, we present a novel ozone-NB generator system to effectively clean a fouled ceramic membrane that is typically employed in the dye industry. The surface characteristics of the ceramic membrane underwent significant alterations, manifesting incremental changes in surface roughness and foulant accumulation reduction, as evidenced in atomic force microscopy, scanning electron microscopy, X-ray fluorescence, and energy-dispersive spectroscopy. Remarkably, the sequential 4 h cleaning process demonstrates an effective outcome leading to an almost 2-fold enhancement in the membrane flux. The initial fouled state of 608 L/ h/m 2 increased to 1050 L/h/m 2 in the 4 h state with a recovery of 50%. We propose such membrane performance improvement governed by the ozone-NBs with a size distribution of 213.2 nm and a zeta potential value of −20.26 ± 0.13 mV, respectively. This effort showcases a substantial innovative and sustainable technology approach toward proficient foulant removal in water treatment applications.

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“…Moreover, low transmembrane pressures are usually used in the filtration of colloidal, high viscosity, and multi-component solutions. It has already been reported that concentration polarization and membrane fouling become more important and lead to a high permeate flux drop when increasing operating pressure, as a result of the formation of less porous and more compacted cake layers [25,26]. Therefore, fractionation of the SWH by UF can lead to a valuable fraction rich with bioactive peptides.…”

Section: Introductionmentioning

confidence: 99%