Co2 absorption in packed column using nano fluids

Abstract

The challenging task in our ecology and environment is to reduce the acidic gas emission to some extent. Many gases are emitted from the industries like H2S, CO, CO2, SO2, NO and NO2 as exhaust gases. Among these gases CO2, NO2 and SO2 are known as acidic gases which results in adverse effect on the human beings, animals and plants. Hence these gases are to be captured to reduce the pollution. CO2, CH4, nitrous oxide, ozone, water vapor, chlorofluorocarbons etc., are known as green house gases and these gases trap the heat in the atmosphere and increase the earth s temperature. So, these green house gasesare responsible for global warming, ozone layer depletion and rapid climatic change.The recent changes in the climatic conditions of the earth are because of the emission of greenhouse gases into the atmosphere. Usually the CO2 present in the atmosphere is utilized by the green plants. Research has found that the increase in CO2 content raises global warming. At higher temperature there is a decrease in absorption of CO2 by the plants. Global Carbon project has found that there is an increase in CO2 emission to about 1.6 % in 2017 and 2.7 % in 2018. On a special report from Intergovernmental panel on Climate Change reported that, carbon emission should fall to 50 % by 2030 to keep the global temperatures within 1.5°C. An increase in coal consumption by 7.1 % in India and 4.5 % in China causes the release of CO2 into the atmosphere than the normal limit. The shift in the trend line from increase in CO2 emission can be done by two methods. One is to support the reduction in emission and other is to restrict the growth of the nations that increases the emission of CO2. The increase in growth of renewable and low carbon technologies account to strengthen the reduction in emission. Recent technological development should monitor the climatic impacts and drive the CO2 emission to zero by 2050. newline