Preparation of CCO@M-PP MB for Oil–Water Separation 


Vol. 25,  No. 2, pp. 725-735, Feb.  2024
10.1007/s12221-023-00461-9


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  Abstract

Polypropylene melt-blown nonwoven material (PP MB) was first modified by polydopamine to improve the surface hydrophilicity. Then cobalt hydroxycarbonate Co(CO3)0.5(OH)∙0.11H2O(CCO) was synthesized on the surface of the modified PP MB(M-PP MB) via a simple in suit hydrothermal method, and CCO@M-PP MB was obtained. The results showed that when the ratio of Co(NO3)2·6H2O to CO(NH2)2 was 1:5 and the Co(NO3)2·6H2O concentration was 0.03 mol/L, CCO with a sea urchin-like morphology appeared on the surface of M-PP MB. Compared with PP MB, the water contact angle (WCA) of CCO@M-PP MB reduced to 0°. When n-hexane was used as the oil phase, the underwater oil contact angle (UWOCA) of CCO@M-PP MB could be over 140.63°. CCO@M-PP MB could efficiently separate various oil–water mixtures, the oil included n-hexane, petroleum ether, carbon tetrachloride, dichloromethane, peanut oil, and olive oil. When n-hexane was used as the oil phase, the oil–water separation efficiency of CCO@M-PP MB was over 98.76%. Throughout 50 cycles, the oil–water separation efficiency of CCO@M-PP MB was never lower than 97.02%.

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  Cite this article

[IEEE Style]

H. Sun, Y. Sun, H. Sun, B. Yu, X. Yang, T. Xu, "Preparation of CCO@M-PP MB for Oil–Water Separation," Fibers and Polymers, vol. 25, no. 2, pp. 725-735, 2024. DOI: 10.1007/s12221-023-00461-9.

[ACM Style]

Hui Sun, Yining Sun, Hui Sun, Bin Yu, Xiaodong Yang, and Tao Xu. 2024. Preparation of CCO@M-PP MB for Oil–Water Separation. Fibers and Polymers, 25, 2, (2024), 725-735. DOI: 10.1007/s12221-023-00461-9.

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pISSN : 1229 - 9197
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