Russian chemical complex in 2022: Technology and machinery Sergey V. Savinkov, Vladimir M. Kiselev, Elena A. Okunkova, Fedor V. Akulinin, Anatoly V. Kolesnikov and Yury V. Zhurov E3S Web Conf., 533 (2024) 04019 Published online: 07 June 2024 DOI: 10.1051/e3sconf/202453304019