O-ethoxyl phenol refining process

The o-ethoxyl phenol refining process includes the following steps: alkali washing condensated o-ethoxyl phenol oil phase or o-ethoxyl phenol product obtained through catechol process with 5-20 % sodium hydroxide solution for 30 min and separating liquid; regulating pH value of the water phase after alkali washing with hydrochloric acid to 1-4, extracting with toluene, and separating liquid to collect oil phase; distilling the oil phase at 110-120 deg.c to recover toluene, lowering the temperature to 30-40 deg.c for decompression rectification to obtain o-ethoxyl phenol of purity not lower than 99.2 %, with the recovered toluene being reused. The present invention can raise the production capacity of industrial apparatus and lower production cost.