Obtaining a filter material used in gas and air purification Y. Ergashev, E. Egamberdiev, D. Mirkhodjaeva, G. Akmalova, M. Umarova and R. Kholdarov E3S Web Conf., 371 (2023) 01012 Published online: 28 February 2023 DOI: 10.1051/e3sconf/202337101012