Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment
The problem of oil-water separation regarding oil-containing brine has been of much concern when using the oil pad water dissolution method to construct salt cavern reservoirs. In this paper, oil-water separation materials with micro-nano hierarchical structure were prepared on different metal subst...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-01-01
|
| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2019/4292410 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832562692176478208 |
|---|---|
| author | Depeng Li Jinyang Fan Jie Chen Deyi Jiang |
| author_facet | Depeng Li Jinyang Fan Jie Chen Deyi Jiang |
| author_sort | Depeng Li |
| collection | DOAJ |
| description | The problem of oil-water separation regarding oil-containing brine has been of much concern when using the oil pad water dissolution method to construct salt cavern reservoirs. In this paper, oil-water separation materials with micro-nano hierarchical structure were prepared on different metal substrates using chemical etching and electrophoretic deposition. And hydrophobic materials with a single micro/nano structure were also prepared; then, the surfaces were hydrophobized by various low surface energy modifiers. Thereafter, we analyzed and compared the surface morphology, chemical composition, and wettability of all the materials and found that brine contact angles on hierarchical structure surfaces were above 160° while the diesel was completely diffused. Furthermore, preparation parameters affecting the surface morphology and wettability of micro-nano composite structures were explored. Meanwhile, it was found that the surface of prepared composite structure could still maintain super-hydrophobic/lipophilic properties after exposure in air for 6 months, sliding 60 cm on sandpaper, or immersion in diesel/brine for 48 h. Moreover, the composite structure surface displayed improved corrosion resistance with corrected self-corrosion potential and lower corrosion current density. It was equally observed that the studied materials could be better adapted to the actual context of salt cavern reservoir construction and thus have great application prospects. |
| format | Article |
| id | doaj-art-a867eca55cee42dc93f365e4c45d8a6c |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-a867eca55cee42dc93f365e4c45d8a6c2025-02-03T01:22:00ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422019-01-01201910.1155/2019/42924104292410Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh EnvironmentDepeng Li0Jinyang Fan1Jie Chen2Deyi Jiang3State Key Laboratory of the Coal Mine Disaster Dynamics and Controls, Chongqing University, Chongqing 400044, ChinaState Key Laboratory of the Coal Mine Disaster Dynamics and Controls, Chongqing University, Chongqing 400044, ChinaState Key Laboratory of the Coal Mine Disaster Dynamics and Controls, Chongqing University, Chongqing 400044, ChinaState Key Laboratory of the Coal Mine Disaster Dynamics and Controls, Chongqing University, Chongqing 400044, ChinaThe problem of oil-water separation regarding oil-containing brine has been of much concern when using the oil pad water dissolution method to construct salt cavern reservoirs. In this paper, oil-water separation materials with micro-nano hierarchical structure were prepared on different metal substrates using chemical etching and electrophoretic deposition. And hydrophobic materials with a single micro/nano structure were also prepared; then, the surfaces were hydrophobized by various low surface energy modifiers. Thereafter, we analyzed and compared the surface morphology, chemical composition, and wettability of all the materials and found that brine contact angles on hierarchical structure surfaces were above 160° while the diesel was completely diffused. Furthermore, preparation parameters affecting the surface morphology and wettability of micro-nano composite structures were explored. Meanwhile, it was found that the surface of prepared composite structure could still maintain super-hydrophobic/lipophilic properties after exposure in air for 6 months, sliding 60 cm on sandpaper, or immersion in diesel/brine for 48 h. Moreover, the composite structure surface displayed improved corrosion resistance with corrected self-corrosion potential and lower corrosion current density. It was equally observed that the studied materials could be better adapted to the actual context of salt cavern reservoir construction and thus have great application prospects.http://dx.doi.org/10.1155/2019/4292410 |
| spellingShingle | Depeng Li Jinyang Fan Jie Chen Deyi Jiang Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment Advances in Materials Science and Engineering |
| title | Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment |
| title_full | Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment |
| title_fullStr | Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment |
| title_full_unstemmed | Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment |
| title_short | Preparation of Superhydrophobic Multiscale Films for Oil-Water Separation in a Harsh Environment |
| title_sort | preparation of superhydrophobic multiscale films for oil water separation in a harsh environment |
| url | http://dx.doi.org/10.1155/2019/4292410 |
| work_keys_str_mv | AT depengli preparationofsuperhydrophobicmultiscalefilmsforoilwaterseparationinaharshenvironment AT jinyangfan preparationofsuperhydrophobicmultiscalefilmsforoilwaterseparationinaharshenvironment AT jiechen preparationofsuperhydrophobicmultiscalefilmsforoilwaterseparationinaharshenvironment AT deyijiang preparationofsuperhydrophobicmultiscalefilmsforoilwaterseparationinaharshenvironment |