scholarly journals Aggregation‐induced demulsification triggered by the hydrophilic fabric for the separation of highly emulsified oil droplets from water

Aggregate ◽  
2021 ◽  
Author(s):  
Yu‐Rong Zhang ◽  
Bi‐Wei Meng ◽  
Bin Hao ◽  
Peng‐Cheng Ma
Keyword(s):  
Oil Droplets ◽  
Emulsified Oil

Comparisons of pinhole and linearly collimated SAXS and SANS study of emulsified oil droplets

1992 ◽  
Vol 180-181 ◽  
pp. 564-566 ◽  
Author(s):  
P. Lesieur ◽  
P. Lindner ◽  
C. Desforge ◽  
J. Lambard ◽  
T. Zemb
Keyword(s):  
Oil Droplets ◽  
Emulsified Oil

Separation of oil from oily wastewater by modified resin

2009 ◽  
Vol 59 (5) ◽  
pp. 957-963 ◽  
Author(s):  
Y. B. Zhou ◽  
L. Chen ◽  
X. M. Hu ◽  
J. Lu
Keyword(s):  
Space Velocity ◽  
Ammonium Bromide ◽  
Separation Mechanism ◽  
Oily Wastewater ◽  
Resin Column ◽  
Oil Droplets ◽  
Experimental Conditions ◽  
Hydrogen Bond Formation ◽  
Emulsified Oil ◽  
Modified Resin

A new type of packing material, polystyrene resin modified by cetyltrimethyl-ammonium bromide (R-CTAB), was developed for separation of emulsified oil wastewater. The unique separation mechanism of the modified resin is due to the hydrogen bond formation between hydrocarbon molecules and the free hydrophilic part of the fixed surfactant. It changed the zeta potential of oil droplets and made them coalescing easier, which provide an optional choice without any chemicals added into the wastewater. A column of R-CTAB was investigated for its performance in separating emulsified oil droplets in oily wastewater. The effects of liquid space velocity and influent oil concentration were studied in particular. The results showed that R-CTAB column was more efficient than the un-modified resin column. Under the optimum experimental conditions, more than 85% of oil was removed by using R-CTAB column that at least 10% higher than the un-modified resin column.

A versatile bio-based material for efficiently removing toxic dyes, heavy metal ions and emulsified oil droplets from water simultaneously

2017 ◽  
Vol 245 ◽  
pp. 649-655 ◽  
Author(s):  
Daikun Li ◽  
Qing Li ◽  
Daoyong Mao ◽  
Ningning Bai ◽  
Hongzhou Dong
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Oil Droplets ◽  
Toxic Dyes ◽  
Emulsified Oil

scholarly journals Stabilisation of Emulsified Agarwood Oil in an Aqueous System Using Non-Ionic Surfactant

2019 ◽  
Vol 797 ◽  
pp. 186-195
Author(s):  
Boon Yih Tien ◽  
Mohd Nazli Naim ◽  
Rabitah Zakaria ◽  
Noor Fitrah Abu Bakar ◽  
Noraini Ahmad ◽  
...  
Keyword(s):  
Zeta Potential ◽  
Droplet Size ◽  
Ostwald Ripening ◽  
Alkaline Condition ◽  
Ionic Surfactant ◽  
Water Interface ◽  
Oil Droplets ◽  
Emulsified Oil ◽  
Oil Water ◽  
Agarwood Oil

Owing to the annually increasing market value of pure agarwood oil, the extracted agarwood oil from Aquilaria malaccensis was emulsified in an aqueous solution using non-ionic surfactant (Tween 80). The surfactant concentration of 0.0167% was determined as the critical micelle concentration (CMC) with an interfacial tension value of 0.014 mNm-1. The adsorption of surfactant at the oil/water interface at the CMC value, however, reduced the zeta potential of the emulsified oil from –45 to –43 mV, and increased its size from 85 to 89 nm. Outside of the CMC value, the emulsified oil droplets tended to coalesce, owing to insufficient coverage of the surfactant at oil/water interface and Ostwald ripening. The droplet size distribution and zeta potential value of the emulsified oil droplets produced at the CMC were the most stable over a month of storage. No significant changes in the emulsified droplet size occurred when the pH conditions varied from pH 3 to 10. The emulsified droplets images obtained from transmission electron microscopy analysis showed a reduction in the layer thickness of the surfactant from 30 to 10 nm in acidic condition and 30 to 19 nm in alkaline condition. The agarwood oil emulsification at CMC value enhance the stability of chemically unstable compounds from degradation.

Microencapsulation of emulsified oil droplets byin-situvinyl polymerization

1989 ◽  
Vol 6 (3) ◽  
pp. 327-337 ◽  
Author(s):  
Johan Berg ◽  
Donald Sundberg ◽  
Bengt Kronberg
Keyword(s):  
Oil Droplets ◽  
Emulsified Oil

scholarly journals Effect of emulsified oil droplets and glycerol content on the physicochemical properties of Persian gum-based edible films

2021 ◽  
pp. 107427
Author(s):  
Seyed Davood Tabatabaei ◽  
Fatemeh Ghiasi ◽  
Hadi Hashemi Gahruie ◽  
Seyed Mohammad Hashem Hosseini
Keyword(s):  
Physicochemical Properties ◽  
Edible Films ◽  
Glycerol Content ◽  
Oil Droplets ◽  
Emulsified Oil
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