effect of the bubble size on the dynamic adsorption of

The adsorption of polyethylene glycol dodecyl ether (C(12)E(25)) On hydrophobic polystyrene latex particles of low surface charge density has been examined as a function of the surfactant concentra 1996 (English) In: JOURNAL OF PHYSICAL CHEMISTRY, Vol. 100, no 14, p. 5908-5912 Article in journal (Other scientific) Published The bubble size was considered when solving the diffusion equation for the dynamic surface excess. The adsorption kinetics was modelled employing the Langmuir adsorption isotherm and its extension with the inclusion of the lateral interaction of the adsorbed molecules (the Frumkin adsorption isotherm).

The Effects of Internals and Low Aspect Ratio on the

Experimental work that conducted in a bubble column of 0.6 m inner diameter and 3.9 m height with an air-water system was utilizing our advanced four-point fiber optical probe technique to measure the radial profiles of the bubble properties. The superficial gas

(398d) The Fluidization and Adsorption of Soft Particles Studied with Hybrid Element Method and Fluid Dynamics Conference: AIChE Annual Meeting Year: 2015 Proceeding: 2015 AIChE Annual Meeting Group: Particle Technology Forum Session: Time:

As the dynamic surface tension increased, foam breakdown occurred, resulting in a significant region of liquid saturation within the mat. This effect was attributed to the inability of the solutions with a higher dynamic surface tension to prevent film rupture and foam collapse.

This paper presents an analysis on the dynamic adsorption of frothers and collectors onto air bubbles in flotation. The analysis was carried out using the theory on the surfactant transfer by diffusion and adsorption. The bubble size was considered when solving the

As the dynamic surface tension increased, foam breakdown occurred, resulting in a significant region of liquid saturation within the mat. This effect was attributed to the inability of the solutions with a higher dynamic surface tension to prevent film rupture and foam collapse.


Experimental Determination of Bubble Size in Solution of

Experimental Determination of Bubble Size inSolution of Surfactants of the Bubble Column By Maedeh Asari Faramarz Hormozi Islamic Azad University,Iran Abstract-This paper focuses on the effect of surfactants onthe bubble size. Bubble size in cm/s).

A fundamental study considering specific ion effects on the attachment of sulfide minerals to air bubbles Title: A fundamental study considering specific ion effects on the attachment of sulfide minerals to air bubbles Author(s): October, L. L.; Corin, K. C.; Manono, M. S.; Schreithofer, N.; Wiese, J. G.

X-MOL,International Communications in Heat and Mass Transfer——Effect of size distribution of bubble groups on average volumetric heat transfer coefficient in the process of direct contact boiling heat transfer,Hechang Cai; Fanhan Liu

S. Mozia, M. Tomaszewska and A. W. Morawski, Studies on the effect of humic acids and phenol on adsorption-ultrafiltration process performance, Water Res., 2005, 39, 501–509 CrossRef CAS. M. Campinas and M. J. Rosa, Assessing PAC contribution to the NOM fouling control in PAC/UF systems, Water Res., 2010, 44, 1636–1644 CrossRef CAS PubMed .

Title Adsorption of dextrin onto sulphide minerals and its effect on the differential flotation of the Inco matte Creator Nyamekye, George A. Date Issued 1993 Description The major constituents of the Inco matte, chalcocite (Cu2S) and heazlewoodite (Ni3S2), are

The pore size distribution of the porous adsorbent particles and the chemistry of the adsorption sites were unchanged in the simulations. It was found that for a given column length the dynamic profiles of the pore diffusion coefficient were influenced by: (i) the

2012/10/30The adsorption of silica nanoparticles onto representative mineral surfaces and at the decane/water interface was studied. The effects of particle size (the mean diameters from 5 to 75 nm), concentration and surface type on the adsorption were studied in detail.

Foam is an object formed by trapping pockets of gas in a liquid or solid.[1][2][3] A bath sponge and the head on a glass of beer are examples of foams. In most foams, the volume of gas is large, with thin films of liquid or solid separating the regions of gas. Soap foams are also known as suds. Solid foams can be closed-cell or open-cell. In

The effect of surfactant type and concentration on the

Bubble stability for all cases was evaluated by monitoring the change in average diameter with time. Microbubbles coated with PEG 40 were found to be the most stable, lasting for 150 days with a uniform size reduction of ∼1.5% as compared with SDS microbubbles lasting only for 30 min after collection.

Dynamic Light Scattering Studies of Poly(ethylene Oxide) Adsorbed on Laponite: Layer Conformation and Its Effect on Particle Stability Langmuir. 2004 Nov 23;20(24):10382-8. doi: 10.1021/la049323p. Authors Andrew Nelson 1, Affiliation 1 University of

This paper presents experimental results and a successful model for zinc removal from Acid Rock Drainage by adsorption on clinoptilolite. The experiments were conducted in a slurry bubble column of 0.09 m inner diameter and 1.4 m height, loaded with 100 g of clinoptilolite particles of diameter 0.3-1.4 mm/kg liquid. Aqueous zinc ion concentrations were determined before and during the

The dynamic gas disengagement (DGD) technique and the fast response pressure transducers were utilized to investigate the bubble rise in the column. The superficial gas velocity of large bubbles and small bubbles, the rise velocities of larger and small bubble fractions were studied considering the effect

309-320 10.1615/SpecialTopicsRevPorousMedia.2016017261 Bing Xue Department of Process Equipment and Control Engineering, Zhengzhou University, Science Avenue 100, Gaoxin District, Zhengzhou, 450001, China Xinli Wei Department of Process Equipment and Control Engineering, Zhengzhou University, Zhengzhou, China Koichi Nakaso Kyushu University, Motooka 744, Nishi-ku,

Since the effect of host density and adsorption rate on phage growth rate can be treated as equivalent, these curves can be interpreted as representing phages with different adsorption rates. Closer inspection of these curves suggests that, regardless of the lysis time, it is always evolutionarily profitable for phages to evolve to a higher adsorption rate first.

The pore size distribution of the porous adsorbent particles and the chemistry of the adsorption sites were unchanged in the simulations. It was found that for a given column length the dynamic profiles of the pore diffusion coefficient were influenced by: (i) the

2015/3/4The effect of drop (bubble) size on advancing and receding contact angles for heterogeneous and rough solid surfaces as observed with sessile-drop and captive-bubble techniques. J Colloid Interface Sci. 1996; 179 :37–50.

2006/4/1Typical results for the dependence of dynamic surface tension on the bubble size are shown in Fig. 3.The results were obtained using Eqs.,,, i.e., diffusion-controlled dynamic adsorption was considered.The model parameters as given in the text capture to Fig. 3 are within the range for typical hydrocarbon-based surfactants (Chang and Franses, 1995).

This article presents the dynamic behaviour of a single effect two bed adsorption chiller employing adsorbent beds with various layers of loose grain configurations and silica gel particle sizes, which is based on the experimentally confirmed adsorption isotherms and

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