Adsorption Behavior of Cationic and Nonionic Surfactant Mixtures at the Alumina–Water Interface

Huang, Lei; Maltesh, C.; Somasundaran, P.

doi:10.1006/jcis.1996.0024

Cited by 82 publications

(64 citation statements)

References 8 publications

(7 reference statements)

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“…Similar results were reported previously. [42,43] Measuring the zeta potential distribution of the binary mixture using Protocol I (mixing process) and Protocol II (in-situ gas nucleation) leads to a single modal zeta potential distribution with the peak being located around -12 mV in both cases. With a strong attractive electrical double layer force, the attachment of one component to the other is confirmed.…”

Section: Surfactant and Frother Solutionsmentioning

confidence: 99%

Studying bubble–particle interactions by zeta potential distribution analysis

Wang

Harbottle

et al. 2015

Journal of Colloid and Interface Science

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Over the last decade, Xu and Masliyah have pioneered an approach to characterize the interactions between particles in dynamic environments of multicomponent systems by measuring zeta potential distributions of individual components and their mixtures. Using a Zetaphoremeter, the measured zeta potential distributions of individual components and their mixtures were used to determine the conditions of preferential attachment in multicomponent particle suspensions. The technique has been applied to study the attachment of nano-sized silica and alumina particles to sub-micron size bubbles in solutions with and without the addition of surface active agents (SDS, DAH and DF250). The degree of attachment between gas bubbles and particles is shown to be a function of the interaction energy governed by the dispersion, electrostatic double layer and hydrophobic forces. Under certain chemical conditions, the attachment of nano-particles to sub-micron size bubbles is shown to be enhanced by in-situ gas nucleation induced by hydrodynamic cavitation for the weakly interacting systems, where mixing of the two individual components results in negligible attachment. Preferential interaction in complex tertiary particle systems demonstrated strong attachment between micron-sized alumina and gas bubbles, with little attachment between micron-sized alumina and silica, possibly due to instability of the aggregates in the shear flow environment.

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Section: Surfactant and Frother Solutionsmentioning

confidence: 99%

Studying bubble–particle interactions by zeta potential distribution analysis

Wang

Harbottle

et al. 2015

Journal of Colloid and Interface Science

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“…It is commonly accepted in the field of surfactant science that mixtures of surfactants often perform better than the individual components (7)(8)(9)(10), and there are studies about micelle composition and co-adsorption in mixed surfactant solutions (11)(12)(13). However there is a lack of both theoretical studies and experimental results in the aggregation of colloidal particles when two surfactants are adsorbed below the CMC.…”

Section: Introductionmentioning

confidence: 99%

Sequential Adsorption of Triton X-100 and Sodium Dodecyl Sulfate onto Positively and Negatively Charged Polystyrene Latexes

Porcel

Jódar

Cabrerizo

et al. 2001

Journal of Colloid and Interface Science

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Individual and sequential adsorption of the anionic surfactant sodium dodecyl sulfate (SDS) and the nonionic surfactant Triton X-100 on cationic and anionic polystyrene latexes has been examined. Both latex samples, although charged differently (−16.2 and +11.0 µC cm −2 ), must be considered hydrophobic polymer colloids. The adsorbed amounts of both surfactants on cationic and anionic latexes were found to be different as a consequence of the dissimilar interfacial properties of these two surfactants. In addition, a comparison between the two surfactants showed that SDS is more easily replaced than Triton X-100 when sequential adsorption on both latexes was studied. It was found that the electrophoretic mobility of surfactant latex complexes depends on the addition sequence order of both surfactants. In relation to colloidal stability, when a layer of a nonionic surfactant is adsorbed on the surface of latexes, the electrosteric mechanism explains the experimental results. If SDS is adsorbed the stabilization or unstabilization is a consequence of the changes in the electrical repulsion between particles. However, when both surfactants are adsorbed, the assumption of additivity is not correct; that is, the electrostatic repulsion (V R ) and the steric repulsions (V osm and V vr ) are not totally independent. C 2001 Academic Press Key Words: cationic and anionic polymer colloids; nonionic and anionic surfactant adsorption; sequential adsorption; colloidal stability.

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“…Thus, TX-100 is difficult to adsorb on a charged surface. However, in order to increase the adsorption of TX-100 onto the surface, it needs enough energy adsorption force such as increasing the temperature to overcome the strong interaction of water molecules with DAC surface [30].…”

Section: Adsorption Capacity Of Activated Carbonmentioning

confidence: 99%

Preparation of Date Seed Activation for Surfactant Recovery

Jamion¹,

Haziqah²,

Huda³

et al. 2017

MJAS

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Surfactants also known as surface-active agents are one of the water pollutants that can lead to the deterioration of the environment. In this study, activated carbon was prepared from date seeds (DAC) by using phosphoric acid as an activating agent. The activation process was carried out at 500 °C for two hours. DAC was characterized by Fourier-Transformed Infrared Spectrometer (FTIR), Field Emission Scanning Electron Microscopy (FESEM), Energy-Dispersive X-Ray Spectroscopy (EDX) and Nitrogen Adsorption at 77 K. The BET surface area of DAC was 1187 m 2 /g. The adsorption capacities of surfactants (CTAB and TX-100) were determined. This study showed that the adsorption capacity of CTAB (23.0724 mg/g) onto DAC was greater than TX-100 (11.3868 mg/g). The adsorption process between both surfactants onto DAC was done by physisorption through electrostatic forces. Thus, this study showed that the date seeds have a greater tendency to be microporous activated carbon and an adsorbent for surfactants recovery.Keywords: activated carbon, phosphoric acid, date seed Abstrak Bahan aktif permukaan juga dikenali sebagai surfaktan adalah salah satu bahan pencemar air yang boleh membawa kepada kemerosotan alam sekitar. Dalam kajian ini, karbon teraktif telah disediakan daripada biji kurma (DAC) dengan menggunakan asid fosforik sebagai ejen pengaktifan. Proses pengaktifan telah dilakukan pada suhu 500 °C selama dua jam. Karbon teraktif (DAC) telah dicirikan oleh Spektroskopi Inframerah Transformasi Fourier (FTIR), Mikroskopi Medan Pancaran Imbasan Elektron (FESEM), Sebaran Tenaga Sinar-X (EDX) dan penjerapan gas nitrogen pada suhu 77 K. Luas permukaan BET kawasan DAC adalah 1187 m 2 /g. Kapasiti penjerapan surfaktan (CTAB dan TX-100) telah dikaji. Kajian ini menunjukkan bahawa kapasiti penjerapan CTAB (23.0724 mg/g) pada DAC adalah lebih tinggi daripada TX-100 (11.3868 mg/g). Proses penjerapan antara bagi kedua-dua surfaktan DAC adalah secara penjerapan fizikal melalui daya elektrostatik. Oleh itu, kajian ini menunjukkan bahawa biji kurma mempunyai kecenderungan yang lebih besar sebagai karbon teraktif berliang mikro dan bahan penjerap yang baik untuk pemulihan surfaktan.

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Adsorption Behavior of Cationic and Nonionic Surfactant Mixtures at the Alumina–Water Interface

Cited by 82 publications

References 8 publications

Studying bubble–particle interactions by zeta potential distribution analysis

Studying bubble–particle interactions by zeta potential distribution analysis

Sequential Adsorption of Triton X-100 and Sodium Dodecyl Sulfate onto Positively and Negatively Charged Polystyrene Latexes

Preparation of Date Seed Activation for Surfactant Recovery

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