May 2022

Special Focus: Biofuels, Alternative Fuels and Green Petrochemicals

CO2 energy recycling approach in the petrochemical industries

Many industrial processes can generate carbon dioxide from fossil fuels. Recently, these processes have contributed to an average annual release of more than 30 Btpy of carbon dioxide into the environment.

Ezzat, A. A., Pharos University

Many industrial processes can generate carbon dioxide (CO2) from fossil fuels. Recently, these processes have contributed to an average annual release of more than 30 Btpy of CO2 into the environment. From a pre-industrial level of ~270 ppm, the concentration of CO2 in the atmosphere has now surpassed the 400 ppm mark, resulting in today’s observed climate change phenomena and the necessity to recover CO2 from the environment. FIG. 1 depicts the average CO2 emissions to the atmosphere in the last 5 yr. The contribution of the major fuels to these emissions are: Natural gas: 23% Petroleum: 42% Coal: 35%. FIG. 1. The average CO2 emissions in the last 5

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