Facile and Green Fabrication of Superhydrophobic Polyacrylonitrile Nonwoven Fabric with Iron Hydroxide Nanoparticles for Efficient Oil/Water Separation

被引:21
作者
Abu-Thabit, Nedal Y. [1 ]
Azad, Abdul Kalam [1 ]
Mezghani, Khaled [2 ]
Hakeem, Abbas S. [3 ]
Drmosh, Qasem A. [3 ]
Akhtar, Sultan [4 ]
Adesina, Akeem Yusuf [5 ]
机构
[1] Jubail Ind Coll, Dept Chem & Proc Engn Technol, Jubail Ind City 31961, Saudi Arabia
[2] King Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran 31261, Saudi Arabia
[3] King Fahd Univ Petr & Minerals, Interdisciplinary Res Ctr Hydrogen & Energy Stora, Dhahran 31261, Saudi Arabia
[4] Imam Abdulrahman Bin Faisal Univ, Inst Res & Med Consultat IRMC, Dept Biophys, POB 1982, Dammam 31441, Saudi Arabia
[5] King Fahd Univ Petr & Minerals, Interdisciplinary Res Ctr Adv Mat IRC AM, Dhahran 31261, Saudi Arabia
来源
ACS APPLIED POLYMER MATERIALS | 2022年
关键词
polyacrylonitrile; filter membrane; superoleophilic; nonwoven; oil; water separation; DESIGN; WETTABILITY; SURFACE; FIBERS;
D O I
10.1021/acsapm.2c01371
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Superhydrophobic materials have been used for the treatment of oily wastewater due to their selective absorption properties. However, many of the reported methods for creating superhydrophobic surfaces lack the feasibility for large-scale production due to the use of non -environmentally friendly chemicals or the involvement of complicated fabrication steps. In this study, we report a simple, green, and rapid process for fabricating superhydrophobic polyacrylonitrile (PAN) nonwoven fabric (NWF) for the separation of oil/water mixtures via adsorption and filtration strategies. PAN NWF was functionalized with iron hydroxide nanoparticles, which endowed the modified fabric with increased surface roughness and hydrophobic property. In the next step, the superhydrophobicity was attained by creating a multiscale hierarchical surface roughness and lowering the surface energy via an in situ deposition of the iron palmitate complex nano/ microparticles. The resulting superhydrophobic PAN NWF exhibited high chemical stability in corrosive environments and excellent mechanical durability as revealed from the sandpaper abrasion and tape peeling tests. The superhydrophobic NWF showed good oil absorption capacity, high permeation flux, high separation efficiency, and stable performance for 20 separation cycles. The excellent durability, recyclability, and long-term separation performance are expected to enable the application of the modified fabric for water-oil separation in harsh environments.
引用
收藏
页码:8450 / 8460
页数:11
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