TY JOUR TI METHODS OF ENERGY EFFICIENCY INCREASING IN PETROCHEMISTRY KW process integration KW pinch analysis KW pinch method KW heat recovery KW heat exchange scheme KW heat exchange network KW heat saving KW energy saving. JO Modern Technologies and Scientific and Technological Progress AU Zayac, R.R. AU Semenov, I.A. PY 2020 IS 2018 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»