Carbon nanotube embedded PVDF membranes: Effect of solvent composition on the structural morphology for membrane distillation

The precise measurement of the specific conductivity of sodium deoxycholate in pure water and ethanolwater mixed solvent media containing 0.10 and 0.20 volume fraction of ethanol at 303.15 K are reported. The concentration were varied from ~ 0.01 mol L-1 to ~ 0.0002 mol L-1.The conductivity of sodium deoxycholate decreases with the increase in the volume fraction of ethanol. The critical micelle concentration of sodium deoxycholate increases with the increase in the volume fraction of ethanol. DOI: http://dx.doi.org/10.3126/bibechana.v9i0.7176 BIBECHANA 9 (2013) 63-68

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Effect of solvent composition on the van’t Hoff enthalpic curve using amylose 3,5-dichlorophenylcarbamate–based sorbent

Journal of Chromatography A ◽

10.1016/j.chroma.2017.08.011 ◽

2017 ◽

Vol 1515 ◽

pp. 179-186 ◽

Cited By ~ 4

Author(s):

Ang-Yeh Lin ◽

Kai-Tse Cheng ◽

Sin-Chang Chen ◽

Hung-Wei Tsui

Keyword(s):

Solvent Composition ◽

Effect Of Solvent

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Effect of Solvent Composition and Polymer Molecular Weight on Cloud Points of Poly(l-lactide) in Chlorodifluoromethane + Carbon Dioxide†

Journal of Chemical & Engineering Data ◽

10.1021/je0255933 ◽

2003 ◽

Vol 48 (4) ◽

pp. 774-777 ◽

Cited By ~ 6

Author(s):

Byung-Chul Lee ◽

Jong Sung Lim ◽

Youn-Woo Lee

Keyword(s):

Carbon Dioxide ◽

Molecular Weight ◽

Solvent Composition ◽

Polymer Molecular Weight ◽

Effect Of Solvent ◽

Cloud Points

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Structural Tuning Using a Novel Membrane Reactor for Carbon Nanotube Synthesis

MRS Proceedings ◽

10.1557/opl.2015.209 ◽

2015 ◽

Vol 1752 ◽

pp. 39-44

Author(s):

Dane J. K. Sheppard ◽

L. P. Felipe Chibante

Keyword(s):

Particle Size ◽

Carbon Nanotube ◽

Membrane Reactor ◽

Chemical Vapour ◽

Spray Coating ◽

Catalyst Particle ◽

Dip Coating ◽

Asymmetric Membrane ◽

Structural Morphology ◽

Starting Point

ABSTRACTCarbon nanotubes come in many varieties, with chemical, mechanical, and electrical properties depending on carbon nanotube (CNT) structural morphology. In order to provide a platform for CNT structural tuning, a membrane reactor was designed and constructed. This reactor provided more intimate gas-catalyst contact by decoupling the carbon feedstock gas from carrier gas in a chemical vapour deposition (CVD) environment using an asymmetric membrane and a macroporous membrane. Growth using this membrane reactor demonstrated normalized yield improvements of ∼300% and ∼1000% for the asymmetric and macroporous membrane cases, respectively, over standard CVD methods. To illustrate the possibility for control, growth variation with time was successfully demonstrated by growing vertically aligned multi-walled CNTs to heights of 0.71 mm, 1.36 mm, and 1.84 mm after growth for 15, 30, and 60 minutes in a commercial thermal CVD reactor. To demonstrate CNT diameter control via catalyst particle size, dip coating and spray coating methods were explored using ferrofluid and Fe(NO3)3 systems. CNT diameter was demonstrated to increase with increasing particle size, yielding CNT like growth with diameters ranging from 15 -150 nm. Demonstration of these dimensions of control coupled with the dramatic efficiency increases over growth in a commercialized CVD reactor establish this new reactor technology as a starting point for further research into CNT structural tuning.

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Effect of Solvent Composition on the Critical Micelle Concentration of Cetylpyridinium Chloride in Ethanol-Water Mixed Solvent Media

Nepal Journal of Science and Technology ◽

10.3126/njst.v13i1.7446 ◽

2013 ◽

Vol 13 (1) ◽

pp. 89-93 ◽

Cited By ~ 5

Author(s):

Ajaya Bhattarai ◽

Sujit Kumar Shah ◽

Ashok Kumar Yadav

Keyword(s):

Critical Micelle Concentration ◽

Room Temperature ◽

Mixed Solvent ◽

Volume Fraction ◽

Science And Technology ◽

Pure Water ◽

Specific Conductivity ◽

Cetylpyridinium Chloride ◽

Solvent Composition ◽

Effect Of Solvent

The accurate measurement of the specific conductivity of cetylpyridinium chloride in pure water and ethanol-water mixed solvent media containing 0.10, 0.20, 0.30 and 0.40 volume fraction of ethanol at room temperature are reported. The concentrations were varied from ~ 0.005 mol l-1 to ~ 0.0002 mol l-1.The conductivity of cetylpyridinium chloride decreases with the increase in the volume fraction of ethanol. The critical micelle concentration of cetylpyridinium chloride increases with the increase in the volume fraction of ethanol. Nepal Journal of Science and Technology Vol. 13, No. 1 (2012) 89-93 DOI: http://dx.doi.org/10.3126/njst.v13i1.7446

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