One-step fabrication of a nickel foam-based superhydrophobic and superoleophilic box for continuous oil–water separation
Source abstract
Abstract
Developing novel oil–water separation material, especially with uncomplicated fabrication and easily continuous separation procedure, is of great significance for environmental protection, but it is still a worldwide challenge. In this study, we present a simple one-step copolymerization method for fabrication organics coated three-dimensional material based on commercial nickel foam with dopamine and octadecylamine. The as-prepared nickel foam shows high superhydrophobicity with water contact angle (CA) of 154° ± 2°, water shedding angle of 4° ± 1° and superoleophilicity with oil CA of almost 0°. The as-prepared foam can fast and selectively remove oil from water due to its special wettability and porous structure. Besides, the foam can be manipulated to realize oil–water separation with a magnet bar due to its intrinsic magnetism. More interestingly, because of it being lightweight, and softness and toughness performance, the as-prepared foam can continuously remove and collect oil from water surface by folding it to a closed hollow box, which integrates the functions of oil containment boom, oil-absorption material and oil skimmer into one device. We believe that this research can provide a nice idea to design new material and device for practical oil–water separation.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Surface Modification and Superhydrophobicity · Pickering emulsions and particle stabilization · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (41)
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