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  • Title: Preparation and adsorption properties of magnetic hydrophobic cellulose aerogels based on refined fibers.
    Author: He X, Chen T, Jiang T, Wang C, Luan Y, Liu P, Liu Z.
    Journal: Carbohydr Polym; 2021 May 15; 260():117790. PubMed ID: 33712138.
    Abstract:
    A novel approach was introduced to prepare very low density, highly porous, economic, reusable, hydrophobic, and magnetic cellulose aerogels from hardwood dissolving pulp via a simple freeze-drying procedure. The aerogels showed outstanding adsorption efficiency for several oils and organic solvents and demonstrated excellent selectivity for absorbing oil from an oil/water mixture. Moreover, they were easily collected by an external magnet, indicating excellent recyclability and reusable for at least 10 cycles while still retaining supreme adsorption capacity (up to 181 g/g for silicone oil). This study proposes an economic and novel method for the large-scale preparation of hydrophobic and magnetic cellulose aerogels, making them a promising candidate for the efficient and sustainable cleaning of oils and chemical spills.
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