Utilization of Recycled Polypropylene-Acrylate Grafted Nonwoven for the Removal of Oil from Water
Authors: Li, Shaoning; Wei, Junfu; Wang, Lei; Wang, Ao; Yang, Hang; Nie, Yuexia
Source: Water Environment Research, Volume 84, Number 9, September 2012 , pp. 719-724(6)
Publisher: Water Environment Federation
Abstract:To solve water pollution caused by oil spillage, a new sorbent was prepared by radiation-induced graft polymerization. Acrylate monomer was introduced to polypropylene nonwoven and hydrophobic groups were introduced by the grafting method. The grafting degree of sorbent was determined as a function of monomer concentration and solvent solubility for monomer. Fourier transform-infrared spectra and static contact angle measurements were used to characterize the chemical changes of the polypropylene nonwoven surface. The grafted sorbent showed a fast sorption rate and a maximum sorption capacity of 13.56 g/g for diesel oil, while the original polypropylene nonwoven was only 7.48 g/g. In addition, retention measurement and the reusability test were conducted to evaluate the suitability of the polypropylene-acrylate grafted nonwoven for the treatment of oil spillage.
Document Type: Research article
Publication date: 2012-09-01
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