Methanol recycling system for methyl 2-chloropropionate esterification wastewater

• Main Authors: YUAN JIPING, CAO SHUO, QI YIWEN
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a methyl 2-chloropropionate esterification wastewater methanol recycling system, which comprises a methanol metering tank and a 2-chloropropionic acid metering tank, discharge ports of the methanol metering tank and the 2-chloropropionic acid metering tank are connected with a feed port of a mixing kettle, a discharge port of the mixing kettle is connected with a feed port of a mixed liquid dropwise adding metering tank, and a discharge port of the mixing kettle is connected with a discharge port of the mixed liquid dropwise adding metering tank. A liquid outlet of the mixed liquid dropwise adding metering tank is connected with a feeding hole of the esterification reaction kettle, a discharging hole of the resin column is connected with a feeding hole of the distillation kettle, a discharging hole of the distillation kettle is connected with a feeding hole of the supergravity bed, a discharging hole of the supergravity bed is connected with a feeding hole of the absolute methanol