Effect of Physicochemical Parameters on the Separation of Proteins from Human Placental Extract by Using a Continuous Foam Fractionating Column

Bhattacharya, Pratik; Ghosal, Shreya; Sen, Kalyani

doi:10.1080/01496399108050532

Cited by 38 publications

(22 citation statements)

References 9 publications

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“…This technique has been studied in many fields, such as chemical/biochemical engineering [1][2][3][4][5][6], analytical chemistry [7,8], wastewater treatment [9][10][11] and so on.…”

Section: Introductionmentioning

confidence: 99%

Variation of saturated surface density of ovalbumin on bubble surface in continuous foam separation

Maruyama

Seki

Suzuki

et al. 2006

Journal of Colloid and Interface Science

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“…This technique has been studied in many fields, such as chemical/biochemical engineering [1][2][3][4][5][6], analytical chemistry [7,8], wastewater treatment [9][10][11] and so on.…”

Section: Introductionmentioning

confidence: 99%

Variation of saturated surface density of ovalbumin on bubble surface in continuous foam separation

Maruyama

Seki

Suzuki

et al. 2006

Journal of Colloid and Interface Science

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“…The technique is particularly attractive for treating dilute solutions; a variety of applications have been reported from mineral ore [11][12][13], hazardous metal ions [11,12], proteins [14,15] to surfactants [16]. In the process, foam produced by bubbling travels upward in a column while draining the interstitial water between the foam and is collected in a reservoir; solutes to be removed or recovered are adsorbed onto the foam surface and concentrated in the collapsed foam liquid (foamate) phase.…”

Section: Introductionmentioning

confidence: 99%

A Study on Gold(III) Recovery Via Foam Separation with Nonionic Surfactant in Batch Mode

Kinoshita¹,

Akita²,

Ozawa³

et al. 2003

JMMCE

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Foam separation of Au(III) from its hydrochloric acid solutions was studied in a batch mode using a nonionic surfactant: polyoxyethylene nonyl phenyl ether having 20 ethylene oxide units (PONPE20). The surfactant showed a strong affinity to Au(III) in HCl media and played a double role of foam-producer and metal-collector. Effects of experimental parameters, such as the length of drainage section of the column, concentration of the surfactant and the metal, air flow rate and solution temperature, were discussed in terms of the recovery and the enrichment of Au(III). The recovery increased with an increase in the concentration of surfactant and in air flow rate, while the enrichment improved with decreasing air flow rate and increasing the length of drainage section. The behavior of Au(III) adsorption onto the foam was also analyzed in terms of the surface excess, and the Freundlich's adsorption isotherm was successfully applied to the system. Moreover, the selective separation of Au(III) from several heavy metals and the application of cloud point extraction to the present foamate solution were also carried out with the resultant enrichment ratio of 59.

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“…The foam separation technique has been widely used in ore flotation [1], waste water treatment [2], and food and biochemical industries [3][4][5][6][7].Especially this technique is useful to enrich objective surface-active substances from dilute aqueous solution. The enrichment process is mainly dominated by (i) adsorption of objective substances onto bubble surface within bubble dispersed bed and (ii) drainage within foam bed.…”

Section: Introductionmentioning

confidence: 99%

Enrichment in axial direction of aqueous foam in continuous foam separation

Maruyama

Suzuki

Seki

et al. 2006

Biochemical Engineering Journal

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Estimation of overhead production enrichment in continuous foam separation was conducted with a surfactant: sodium n-dodecylbenzenesulfonate (SDBS), and soluble proteins: ovalbumin (OA) and hemoglobin (HB). Axial profiles of the volumetric flow rate and the concentration of the collapsed foam liquid within the column were measured, and the enrichment ratio and the liquid holdup in axial direction were determined experimentally. The proposed model was fitted to the experimental results obtained with various experimental conditions (superficial gas velocity, feed concentration, and pH) and was in reasonable agreement with the experimental data by using the least square regression. The present model makes it possible to estimate the foamate concentration at a desired foam height.

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Effect of Physicochemical Parameters on the Separation of Proteins from Human Placental Extract by Using a Continuous Foam Fractionating Column

Cited by 38 publications

References 9 publications

Variation of saturated surface density of ovalbumin on bubble surface in continuous foam separation

Variation of saturated surface density of ovalbumin on bubble surface in continuous foam separation

A Study on Gold(III) Recovery Via Foam Separation with Nonionic Surfactant in Batch Mode

Enrichment in axial direction of aqueous foam in continuous foam separation

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