Abstract： |
Production of synthesizing ethyl lactate by catalytic rectifying method is disclosed. It is carried out by: lactic acid catalytic reacting with alcohol in catalytic section of catalytic rectifying tower with highly acid ionic exchanging resin as catalyst, generating ethyl lactate, vaporizing alcohol in reacting solution and generated water, enriching in rectifying section of rectifying tower, alcohol and water condensing in condenser, one part returning feed storing tank, another part back flowing into catalytic rectifying tower, lactic acid, ethyl lactate, water and alcohol entering re-boiler by extracting section in catalytic tower, the product entering into flashing tower to remove impurity, and obtaining the ethyl lactate product. It achieves simple process and high absorptivity. |
Relevancy information
