TY - JOUR
T1 - An ultra-thin nickel electrodeposited stainless steel mesh with superhydrophobic property and high mechanical durability for oil-water separation
AU - Zhang, Xin
AU - Hu, Chuanbo
AU - Fu, Xinye
AU - Zhang, Si
AU - Li, Tingzhen
AU - Ma, Beiyue
AU - Ren, Kangning
N1 - This work was provided by the financial supports of the National Natural Science Foundation of China (Grant Nos. 51773173 and 81973288 ), the Natural Science Foundation of Chongqing (Grant No. cstc2021jcyj-msxmX1139 ), the Science and Technology Research Program of Chongqing Municipal Education Commission (Grant Nos. KJZD-M202301201 and KJZD-K202304502 ), the Opening Fund of the State Key Laboratory of Refractories and Metallurgy ( Wuhan University of Science and Technology ) (Grant No. G202205 ) and the Postgraduate Research Innovation Project of Chongqing (No. 072303 ). Xin Zhang and Chuanbo Hu contributed equally to this work.
Publisher Copyright:
© 2023 Elsevier Ltd
PY - 2024/2
Y1 - 2024/2
N2 - Oil pollution has a detrimental impact on our water environment. Therefore, developing a durable and high-flux material for separating oil-water mixture is highly desirable. In this study, we present an innovative approach to prepare superhydrophobic-superoleophilic nickel palmitate stainless steel meshes (SNP-SSM) using a one-step electrodeposition method. This method not only creates rough hierarchical micro/nanostructures on the SSM but also reduces the surface free energy of the SSM. The SNP-SSM demonstrates a water contact angle (CA) of 164.98 ± 2.3° and a roll-off angle (ROA) of 4.78 ± 1.3°, enabling effective, long-term separation of oil-water mixtures by gravity. The oil-water separation efficiency (n-hexadecane/water) reaches 98.3%. Furthermore, in various tests, including knife scratching, tape peeling, sandpaper abrasion, bending, heating, and immersion in various liquids, the SNP-SSM exhibits sufficient mechanical, chemical, and thermodynamic robustness, making it suitable for harsh conditions, the as-prepared coatings effectively inhibited the corrosion of the meshes. This study paves the way for advancing technology in challenging oil-water separation scenarios, encompassing mechanical friction, chemical processes, and high-temperature conditions.
AB - Oil pollution has a detrimental impact on our water environment. Therefore, developing a durable and high-flux material for separating oil-water mixture is highly desirable. In this study, we present an innovative approach to prepare superhydrophobic-superoleophilic nickel palmitate stainless steel meshes (SNP-SSM) using a one-step electrodeposition method. This method not only creates rough hierarchical micro/nanostructures on the SSM but also reduces the surface free energy of the SSM. The SNP-SSM demonstrates a water contact angle (CA) of 164.98 ± 2.3° and a roll-off angle (ROA) of 4.78 ± 1.3°, enabling effective, long-term separation of oil-water mixtures by gravity. The oil-water separation efficiency (n-hexadecane/water) reaches 98.3%. Furthermore, in various tests, including knife scratching, tape peeling, sandpaper abrasion, bending, heating, and immersion in various liquids, the SNP-SSM exhibits sufficient mechanical, chemical, and thermodynamic robustness, making it suitable for harsh conditions, the as-prepared coatings effectively inhibited the corrosion of the meshes. This study paves the way for advancing technology in challenging oil-water separation scenarios, encompassing mechanical friction, chemical processes, and high-temperature conditions.
KW - Electrodeposition
KW - Nickel palmitate coating
KW - Oil-water separation
KW - Stainless steel mesh
KW - Superhydrophobic
UR - http://www.scopus.com/inward/record.url?scp=85180593094&partnerID=8YFLogxK
U2 - 10.1016/j.jece.2023.111692
DO - 10.1016/j.jece.2023.111692
M3 - Journal article
AN - SCOPUS:85180593094
SN - 2213-3437
VL - 12
JO - Journal of Environmental Chemical Engineering
JF - Journal of Environmental Chemical Engineering
IS - 1
M1 - 111692
ER -