Therefore immobilization of this enzyme in power plant chimney can directly extract the CO2 from the smoke and convert it into bicarbonate. Hence, the smoke that leaves the plant will have only bicarbonate, which can be later converted back into CO2 and can be stored. However, the disadvantage of using carbonic anhydrate is that it denatures at high temperatures. So, intense research is going on this field in order to modify this enzyme to resist high temperatures of the power plant