METHOD FOR PREDICTING DENSITY OF REACTION PRODUCT OF CARBON DIOXIDE CAPTURE PROCESS BY USING INFRARED SPECTROSCOPY AND CAPTURE REACTOR USING SAME

摘要

Provided are a method for predicting the density of a reaction product of a carbon dioxide capture process by using infrared spectroscopy and a capture reactor using the same. The capture reactor comprises: an agitation tank filled with an ammonia aqueous solution; an agitator for agitating the carbon dioxide introduced into the agitation tank with the ammonia aqueous solution; a sensor for providing, as a state variable, spectrum data which can be measured from the agitated ammonia aqueous solution during the carbon dioxide capture process by using Fourier transform infrared spectroscopy (FTIR) which utilizes mid-wave infrared radiation; and a prediction means for forming a model equation for predicting the density of the reaction product obtained by the state variable during the carbon dioxide capture process, pre-processing the state variable so as to convert the state variable into data from which noise is removed, and inputting the data from which noise is removed to the model equation so as to predict the density each of a plurality of reaction products according to the change of the state variable.