Energy efficiency analysis of caustic soda production process Denis Balzamov, Veronika Bronskaya, Olga Kharitonova, Guzel Khabibullina, Tatiana Ignashina and Olga Borisova E3S Web Conf., 486 (2024) 05002 Published online: 07 February 2024 DOI: 10.1051/e3sconf/202448605002