%0 Journal Article %T Modeling of a para-toluenesulfonic acid synthesis unit %A Shishanov, M.. %A Gorbunova, S.. %K p-toluenesulfonic acid, modeling, toluene sulfonation, Aspen Plus, material balance %J Oil and gas technologies and environmental safety %D 2026 %N 2026 %P 5 %I Astrakhan State Technical University