Method for controlling absorbent at decarboxylation facility and system therefor

摘要

A temperature controller 52 for the circulating water to the washing section of the absorption tower 3 or a temperature controller 61 for the circulating water to the cooling tower 2 is controlled by tower bottom liquid level control means 51 to control the temperature of the circulating water to the washing section, whereby the concentration of amine in the absorbent is regulated.