TY JOUR TI Development and Application of a Digital Twin for Thermodynamic Process Modeling and Operational Optimization of Gas Processing Equipment KW digital twin KW thermodynamic modeling KW Peng — Robinson equation of state KW process optimization KW gas processing unit KW model convergence KW retrospective analysis KW what-if analysis KW hydrocarbon processing. JO Vestnik AGGE AU Voytenkov, E.V. PY 2026 IS PB Association of Geologists, Geophysicists and Engineers