Tannic Acid and Ferrous Sulfate Modified Kapok Fiber for Oil-water Separation 


Vol. 23,  No. 11, pp. 3046-3057, Nov.  2022
10.1007/s12221-022-0458-y


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  Abstract

Biodegradable oil absorbing materials have attracted extensive attention in dealing with oil spill pollution. To develop more excellent oleophilic oil sorbent, the combination of tannic acid and ferrous sulfate was employed to treat the renewable and biodegradable natural kapok fiber. The as-prepared kapok showed superhydrophobic characteristics with high water contact for the formation of tannic acid and ferrous ion complex on kapok surface, which was confirmed by scanning electron microscopy observation and infrared spectroscopy and X-ray diffraction analysis. The preparation process of the modified kapok fiber was optimized. When the sodium chlorite pretreated kapok fiber was firstly treated with 4.25 g/l tannic acid and subsequently immersed in 4.25 g/l tannic acid and 6.25 g/l ferrous sulfate mixture at 60

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  Cite this article

[IEEE Style]

G. Ke, S. Chen, J. Tang, H. Li, K. Liu, "Tannic Acid and Ferrous Sulfate Modified Kapok Fiber for Oil-water Separation," Fibers and Polymers, vol. 23, no. 11, pp. 3046-3057, 2022. DOI: 10.1007/s12221-022-0458-y.

[ACM Style]

Guizhen Ke, Shuhui Chen, Jiani Tang, Huanmin Li, and Keshuai Liu. 2022. Tannic Acid and Ferrous Sulfate Modified Kapok Fiber for Oil-water Separation. Fibers and Polymers, 23, 11, (2022), 3046-3057. DOI: 10.1007/s12221-022-0458-y.

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