METHOD FOR CO2 CAPTURE USING CAO AT A HIGH TEMPERATURE, ASSISTED BY ACOUSTIC VIBRATION

摘要

The invention relates to a method that increases the rapid CO2-capturing capacity of a fluidised bed reactor using CaO at a high-temperature during the "Ca-looping" (CaL) process. The suggested method for assistance with CO2 capture is based on the direct application of acoustic vibrations to the fluidised material in the carbonatation reactor, for values of the intensity of the acoustic vibration and of the frequency thereof around 150dB and 100Hz respectively. This method can be used to accelerate the carbonatation of the material and to reduce the period of capture capacity following subjection to successive calcination/carbonatation cycles. The invention is applicable to the area of energy and the environment, more concretely to activity sectors oriented towards improving the efficiency of energy technologies.