Dual-Functional Superhydrophobic Textiles with Asymmetric Roll-Down/Pinned States for Water Droplet Transportation and Oil–Water Separation

2018 ◽  
Vol 10 (4) ◽  
pp. 4213-4221 ◽  
Author(s):  
Xiaojing Su ◽  
Hongqiang Li ◽  
Xuejun Lai ◽  
Lin Zhang ◽  
Xiaofeng Liao ◽  
...  
Keyword(s):  
Water Droplet ◽  
Water Separation ◽  
Dual Functional ◽  
Oil Water Separation ◽  
Oil Water

A facile one-step spray-coating process for the fabrication of a superhydrophobic attapulgite coated mesh for use in oil/water separation

RSC Advances ◽  
2015 ◽  
Vol 5 (66) ◽  
pp. 53802-53808 ◽  
Author(s):  
Jian Li ◽  
Long Yan ◽  
Haoyu Li ◽  
Jianping Li ◽  
Fei Zha ◽  
...  
Keyword(s):  
Water Droplet ◽  
Spray Coating ◽  
Separation Mechanism ◽  
Coating Process ◽  
Water Separation ◽  
Oil Water Separation ◽  
One Step ◽  
Oil Water

Superhydrophobic attapulgite coated mesh was used to separate oil/water mixtures efficiently. Besides, the separation mechanism was elaborated by interpreting the different states of water droplet on the surface before and during separation.

Large-Area Fabrication of Superhydrophobic Micro-Conical Pillar Arrays on Various Metallic Substrates

Nanoscale ◽  
2021 ◽  
Author(s):  
Weihao Pan ◽  
Song Wu ◽  
Liu Huang ◽  
Jinlong Song
Keyword(s):  
Corrosion Resistance ◽  
Water Droplet ◽  
Large Area ◽  
Water Separation ◽  
Metallic Substrates ◽  
Pillar Arrays ◽  
Oil Water Separation ◽  
Oil Water ◽  
Droplet Manipulation ◽  
Application Prospects

Superhydrophobic micro-conical pillar arrays have huge application prospects, from anti-icing to oil/water separation, corrosion resistance, and water droplet manipulation. However, there is still a lack of versatile methods with high...

scholarly journals Experimental Study on the Performance of a Novel Compact Electrostatic Coalescer with Helical Electrodes

Energies ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1733
Author(s):  
Yi Shi ◽  
Jiaqing Chen ◽  
Zehao Pan
Keyword(s):  
Field Strength ◽  
Electric Field ◽  
Electric Field Strength ◽  
Water Content ◽  
Water Droplet ◽  
Separation Process ◽  
Water Droplets ◽  
Water Separation ◽  
Oil Water Separation ◽  
Oil Water

As most of the light and easy oil fields have been produced or are nearing their end-life, the emulsion stability is enhanced and water cut is increasing in produced fluid which have brought challenges to oil–water separation in onshore and offshore production trains. The conventional solution to these challenges includes a combination of higher chemical dosages, larger vessels and more separation stages, which often demands increased energy consumption, higher operating costs and larger space for the production facility. It is not always feasible to address the issues by conventional means, especially for the separation process on offshore platforms. Electrostatic coalescence is an effective method to achieve demulsification and accelerate the oil–water separation process. In this paper, a novel compact electrostatic coalescer with helical electrodes was developed and its performance on treatment of water-in-oil emulsions was investigated by experiments. Focused beam reflectance measurement (FBRM) was used to make real-time online measurements of water droplet sizes in the emulsion. The average water droplet diameters and number of droplets within a certain size range are set as indicators for evaluating the effect of coalescence. We investigated the effect of electric field strength, frequency, water content and fluid velocity on the performance of coalescence. The experimental results showed that increasing the electric field strength could obviously contribute to the growth of small water droplets and coalescence. The extreme value of electric field strength achieved in the high-frequency electric field was much higher than that in the power-frequency (50 Hz) electric field, which can better promote the growth of water droplets. The initial average diameters of water droplets increase with higher water content. The rate of increment in the electric field was also increased. Its performance was compared with that of the plate electrodes to further verify the advantages of enhancing electrostatic coalescence and demulsification with helical electrodes. The research results can provide guidance for the optimization and performance improvement of a compact electrocoalescer.

scholarly journals Dual-Functional Porous Wood Filter for Simultaneous Oil/Water Separation and Organic Pollutant Removal

ACS Omega ◽  
2020 ◽  
Vol 5 (23) ◽  
pp. 14096-14103 ◽  
Author(s):  
Zhiyong Cheng ◽  
Hao Guan ◽  
Junwang Meng ◽  
Xiaoqing Wang
Keyword(s):  
Organic Pollutant ◽  
Pollutant Removal ◽  
Water Separation ◽  
Dual Functional ◽  
Oil Water Separation ◽  
Oil Water

Functionalization of biodegradable PLA nonwoven fabrics as super-wetting membranes for simultaneous efficient dye and oil/water separation

2019 ◽  
Vol 43 (24) ◽  
pp. 9696-9705
Author(s):  
Yashi Chen ◽  
Qing Li ◽  
Xinhong Chen ◽  
Xi Xu
Keyword(s):  
Natural Environment ◽  
Functional Materials ◽  
Construction Process ◽  
Water Separation ◽  
Nonwoven Fabrics ◽  
Dual Functional ◽  
Oil Water Separation ◽  
Oil Water

Although the construction process of dual functional materials for dye and oil/water separation has been developed rapidly, the postprocess of the used separation materials themselves is still a problem owing to their non-degradation in the natural environment.

Complex membrane of cellulose and chitin nanocrystals with cationic guar gum for oil/water separation

2019 ◽  
Vol 136 (37) ◽  
pp. 47947 ◽  
Author(s):  
Hajo Yagoub ◽  
Liping Zhu ◽  
Mahmoud H. M. A. Shibraen ◽  
Xiaowei Xu ◽  
Dafaalla M. D. Babiker ◽  
...  
Keyword(s):  
Guar Gum ◽  
Water Separation ◽  
Complex Membrane ◽  
Oil Water Separation ◽  
Oil Water
Sign in / Sign up

Export Citation Format

Share Document