TY JOUR TI MATHEMATICAL MODELING OF THE PROCESS OF ALKYLBENZENES SULFIRATION TAKING INTO ACCOUNT THE DYNAMICS OF REACTION MEDIUM DEACTIVATION KW alkylbenzene sulfonation KW non-stationary mathematical model KW chromophoric by-products KW inter-washing cycle JO Modern Technologies and Scientific and Technological Progress AU Dolganova, I.O. AU Dolganov, I.M. AU Ivashkina, E.N. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»