期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 203, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2023.117190
关键词
Nanocellulose; Superhydrophobic/superoleophilic; Oil/water separation; Photocatalytic degradation
A long-lasting superhydrophobic/superoleophilic nanocellulose-based membrane was created for effective oil/water separation and simultaneous removal of soluble dye, offering solutions to the threats of industrial oily wastewater discharge to the environment.
The discharge of industrial oily wastewater is threats to the environment. A long-lasting Co(OH)(2)/stearic acid (STA)-based superhydrophobic/superoleophilic nanocellulose-based membrane (SSNM) for extremely effective oil/water and simultaneous removal of soluble dye was created to offer solutions to this problem. The mechanical durability of the prepared Co(OH)(2)/STA-based SSNMs was reinforced by depositing Co(OH)(2) and STA on the cellulose fibers. The Co(OH)(2)/STA-based SSNM shows a high water contact angle of 164 +/- 2. and an oil contact angle of similar to 0 degrees, exhibiting excellent superhydrophobicity and superoleophilicity. With good usage stability, high separation efficiencies (>94.0%) and high separation fluxes (>130 L center dot m(-2)center dot h(-1)) were achieved for four oils. The separation flux and efficiency of N-hexane did not change obviously after repeated separation. Furthermore, it exhibited reliable photocatalytic ability, which contributed to the reduction of organic contamination. As a result, Co(OH)(2)/STA-based SSNM shows strong potential for practical applications such as oil/water separation and photocatalytic degradation of organic pollutants.
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