Abstract
Oil spillage is an environmental challenge which involves the use of costly materials for its clean-up; emphasis is now on synthetic biodegradable materials for the clean-up. Natural rubber (NR) is a renewable polymer with high flexibility, making it a good adsorbent material. NR was modified by epoxidation to produce epoxidised natural rubber (ENR). NR and ENR were then modified with chitosan derived from land snail shell. The resulting composites were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and used as sorbents for oil sorption. The results obtained from the sorption of gasoline and crude oil by the adsorbents through gravimetric method was in the order of 8.91 & 1.75, 10.71 & 1.58, 9.30 & 0.90, and 1.27: 0.38 g/g for NR, NR-C, ENR-C 4 h, ENR-C 6 h respectively. The broad peaks from EDX that appeared at 2θ of 10°, 24° for NR-C shows that it consists of amorphous region. The ENR-C 6 h showed a spongy surface morphology with good cross-linking. NR and NR-C displayed a better reusability when compared to other adsorbents. The results from the study of modified natural rubber-chitosan (MNR-C) demonstrated high potentials for remediation of oil contaminated water.
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Mosaku, A.M., Akinlabi, A.K., Sojinu, O.S. et al. Adsorptive Remediation of Oil Spill Contaminated Water Using Chitosan Modified Natural Rubber as Adsorbent. Chemistry Africa 4, 535–543 (2021). https://doi.org/10.1007/s42250-021-00243-x
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DOI: https://doi.org/10.1007/s42250-021-00243-x