Crude oil sorbent based on cellulose nanofibrils-methacrylate grafted copolymers Natalya Grechishcheva, Irina Grishina, Alexandra Kuchierskaya, Andrey Panchenko, Dmitry Kopitsyn, Valentina Lyubimenko, Andrey Novikov and Vladimir Vinokurov BIO Web Conf., 121 (2024) 01012 Published online: 22 July 2024 DOI: 10.1051/bioconf/202412101012