STREAMS HEAT INTEGRATION IN THE SEPARATION PROCESS OF THE FURFURAL-WATER HETEROAZEOTROPIC MIXTURE BY USING TWO STRETCHING COLUMNS - Babak, Tatiana; Bykanov, Sergey; Gorbunov, Constantine; Ponomarenko, Eugenia; Solovey, Lyudmila (Integrated Technologies and Energy Saving, 2023)