Evaluating the use of in-situ ultrasonication to reduce fouling during natural rubber skim latex (waste latex) recovery by ultrafiltration

Veerasamy, D.; Supurmaniam, A.; Nor, Zairossani Mohd

doi:10.1016/j.desal.2007.10.068

Cited by 19 publications

(8 citation statements)

References 4 publications

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“…The highest average flux was observed with continuous ultrasonication. It is generally accepted that the US increases the flux primarily by changing the polarization layer and decreasing the solute concentration at the membrane surface [26]. It is interesting to note that the flux increasing effect of ultrasonication was more pronounced using 50 kDa membrane.…”

Section: The Ultrafiltration Fluxesmentioning

confidence: 89%

Ultrasound membrane hybrid processes for dairy wastewater treatment: pilot-scale analysis

Kertész

Kovács

Hodúr

et al. 2016

Desalination and Water Treatment

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Novel wastewater treatments are necessary to effectively decrease the organic load of dairy wastewater before disposal. In this work the feasibility of a hybrid process of membrane filtration combined with ultrasonication to decrease organic load was investigated. The efficiency of the advanced hybrid process that simultaneously applies ultrasonic irradiation and pressure-driven membrane ultrafiltration was examined. Polyethersulfone ultrafiltration membranes with 20 and 50 kDa molecular weight cutoff were tested. The effects of the continuous and half intermittent ultrasonic irradiation during the ultrafiltration were compared. Ultrafiltration fluxes, chemical oxygen demand retentions and membrane, pore fouling and polarization layer resistances were analyzed in a combined process. Furthermore, mass transfer coefficients, fouling coefficients and concentrations on membrane surface were also calculated and compared. The results showed that the best correlation were achieved by plotting the cake filtration model, but the other models also have given relatively good correlations using gradual pore blocking and intermediate filtration models. For this reason the membrane filtration ultrasonication should be further investigated for future applications.

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Section: The Ultrafiltration Fluxesmentioning

confidence: 89%

Ultrasound membrane hybrid processes for dairy wastewater treatment: pilot-scale analysis

Kertész

Kovács

Hodúr

et al. 2016

Desalination and Water Treatment

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“…The trans-membrane pressure (TMP) was set at 2 bar as recommended by previous study. 3 Every experiment consists of 4 cycles and every cycle needs 30 min of an ultrafiltration membrane process. The permeate weights were recorded online at every 30 s interval by computerised system.…”

Section: Methodsmentioning

confidence: 99%

“…This process could achieve "zero discharge" as all the products from the concentration process have commercial value. 3 The retentate can be used as part of latex product's raw material while the permeate water can be used for rinse purposes. To prevent fouling, membrane requires a surface chemistry which prefers binding to water over other materials.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonically Aided Cross-flow Membrane Filtration for Latex Wastewater

Ahmad¹,

Lah²,

Ismail³

2018

JPS

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“…Membrane separation methods have displayed the most desirable alternative approaches, which can be utilized for a big-scale handling operation due to the benefits, like economical energy need, huge removal efficiency, environmentally friendly, room temperature operation, low investment, and less pollution, as contrasted with other popular separation systems [4,5]. Lately, the ultrafiltration membrane is employed in an extended diversity of fields, from the chemical industry, like the recovery of textile [6], processing of latex [7], lubricating oil recovery [8], and dyes removal [9][10][11], to the medical uses, like dialysis operations of the kidney [12], and even for biotechnology uses, like milk concentration [13], juice [14], protein recovery from cheese whey [15], and glue and gelatin [16]. There are various approaches to the classification of commercial dyes.…”

Section: Introductionmentioning

confidence: 99%

Hollow Fiber Ultrafiltration Membrane for Methyl Green Dye Removal

Alardhi¹,

Alrubaye²,

Albayati³

2020

ETJ

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In this study, the behavior of a Polyvinyl chloride (18 wt % PVC) hollowfiber ultrafiltration (UF) membrane for methyl green (MG) dye removalfrom aqueous solution was estimated by studying the influence of varyingthe operation conditions (the concentration of the dye and volumetric flowrate) to determine their impact on the separation processes (permeate fluxand rejection coefficient) at constant pressure and temperature. The PVCmembrane was characterized by scanning electron microscopy.Furthermore, tests of the UF were carried out with pure water and MGaqueous solutions as feed. Outcomes explained a notable influence of feedconcentration and flow rate on the rejection and permeate flux, with thehighest rejection coefficient value close to 75.2% of the membrane system,at neutral pH.

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Evaluating the use of in-situ ultrasonication to reduce fouling during natural rubber skim latex (waste latex) recovery by ultrafiltration

Cited by 19 publications

References 4 publications

Ultrasound membrane hybrid processes for dairy wastewater treatment: pilot-scale analysis

Ultrasound membrane hybrid processes for dairy wastewater treatment: pilot-scale analysis

Ultrasonically Aided Cross-flow Membrane Filtration for Latex Wastewater

Hollow Fiber Ultrafiltration Membrane for Methyl Green Dye Removal

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