Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process
Superhydrophobic membranes are necessary for effective membrane-based seawater desalination. This paper presents the successful fabrication of a novel electrospun nanofibrous membrane composed of polysulfone and Cera flava{,} which represents a novel class of enhanced performance membranes consistin...
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| Định dạng: | Journal article |
| Ngôn ngữ: | English |
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The Royal Society of Chemistry
2023
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| Truy cập trực tuyến: | https://scholar.dlu.edu.vn/handle/123456789/3000 http://dx.doi.org/10.1039/C7RA12474K |
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oai:scholar.dlu.edu.vn:123456789-30002023-09-28T03:51:09Z Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process Ray, Saikat Sinha Chen, Shiao-Shing Ngoc Dan, Cao Thanh Hsu, Hung-Te Chang, Hau-Ming Nguyen Cong Nguyen Nguyen Thi Hau Superhydrophobic membranes are necessary for effective membrane-based seawater desalination. This paper presents the successful fabrication of a novel electrospun nanofibrous membrane composed of polysulfone and Cera flava{,} which represents a novel class of enhanced performance membranes consisting of a superhydrophobic nanofibrous layer and hydrophobic polypropylene (PP). Cera flava{,} which helps lower the surface energy{,} was found to be the ideal additive for increasing the hydrophobicity of the polysulfone (PSF) polymeric solution because of its components such as long-chain hydrocarbons{,} free acids{,} esters{,} and internal chain methylene carbons. In the fabricated membrane{,} consisting of 10 v/v% Cera flava{,} the top PSF–CF nanofibrous layer is active and the lower PP layer is supportive. The hybrid membrane possesses superhydrophobicity{,} with an average contact angle of approximately 162°{,} and showed high performance in terms of rejection and water flux. This work also examined the surface area{,} pore size distribution{,} fiber diameter{,} surface roughness{,} mechanical strength{,} water flux{,} and rejection percentage of the membrane. The salt rejection was above 99.8%{,} and a high permeate flux of approximately 6.4 LMH was maintained for 16 h of operation. 2023-09-28T03:51:04Z 2023-09-28T03:51:04Z 2018-01-08 Journal article Bài báo đăng trên tạp chí thuộc ISI, bao gồm book chapter https://scholar.dlu.edu.vn/handle/123456789/3000 10.1039/C7RA12474K http://dx.doi.org/10.1039/C7RA12474K en RSC Adv. The Royal Society of Chemistry |
| institution |
Thư viện Trường Đại học Đà Lạt |
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Thư viện số |
| language |
English |
| description |
Superhydrophobic membranes are necessary for effective membrane-based seawater desalination. This paper presents the successful fabrication of a novel electrospun nanofibrous membrane composed of polysulfone and Cera flava{,} which represents a novel class of enhanced performance membranes consisting of a superhydrophobic nanofibrous layer and hydrophobic polypropylene (PP). Cera flava{,} which helps lower the surface energy{,} was found to be the ideal additive for increasing the hydrophobicity of the polysulfone (PSF) polymeric solution because of its components such as long-chain hydrocarbons{,} free acids{,} esters{,} and internal chain methylene carbons. In the fabricated membrane{,} consisting of 10 v/v% Cera flava{,} the top PSF–CF nanofibrous layer is active and the lower PP layer is supportive. The hybrid membrane possesses superhydrophobicity{,} with an average contact angle of approximately 162°{,} and showed high performance in terms of rejection and water flux. This work also examined the surface area{,} pore size distribution{,} fiber diameter{,} surface roughness{,} mechanical strength{,} water flux{,} and rejection percentage of the membrane. The salt rejection was above 99.8%{,} and a high permeate flux of approximately 6.4 LMH was maintained for 16 h of operation. |
| format |
Journal article |
| author |
Ray, Saikat Sinha Chen, Shiao-Shing Ngoc Dan, Cao Thanh Hsu, Hung-Te Chang, Hau-Ming Nguyen Cong Nguyen Nguyen Thi Hau |
| spellingShingle |
Ray, Saikat Sinha Chen, Shiao-Shing Ngoc Dan, Cao Thanh Hsu, Hung-Te Chang, Hau-Ming Nguyen Cong Nguyen Nguyen Thi Hau Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process |
| author_facet |
Ray, Saikat Sinha Chen, Shiao-Shing Ngoc Dan, Cao Thanh Hsu, Hung-Te Chang, Hau-Ming Nguyen Cong Nguyen Nguyen Thi Hau |
| author_sort |
Ray, Saikat Sinha |
| title |
Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process |
| title_short |
Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process |
| title_full |
Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process |
| title_fullStr |
Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process |
| title_full_unstemmed |
Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process |
| title_sort |
casting of a superhydrophobic membrane composed of polysulfone/cera flava for improved desalination using a membrane distillation process |
| publisher |
The Royal Society of Chemistry |
| publishDate |
2023 |
| url |
https://scholar.dlu.edu.vn/handle/123456789/3000 http://dx.doi.org/10.1039/C7RA12474K |
| _version_ |
1778792472687673344 |