METHOD FOR DECOLORIZING AND DEODORIZING POLYHYDRIC ALCOHOL

• Main Authors: LEE, JUNG JOON, NAM, HEE GEUN, JEON, SANG JUN
• Format: Patent
• Language: English; French
• Published: 06.12.2022
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

In a method and a system for decolorizing and deodorizing a polyhydric alcohol according to embodiments of the present invention, a mixture liquid containing a first polyhydric alcohol obtained by a separation process is prepared. The mixture liquid is subjected to a distillation treatment to prelim...