University Publications

Carbon Dioxide CO2 has taken attention in the environment due to its increasing effect on air pollution and climate change. The Intergovernmental Panel on Climate Change (IPCC) estimates that by the end of the 21st century, greenhouse gas emissions will have raised the average global temperature by 1.8° to 4.0°C. If global average temperatures climb by more than 2 degrees Celsius, the IPCC's climate models predict that there would be catastrophic climatic repercussions. To avoid such a severe temperature increase, the IPCC recommends that global GHG emissions be reduced by 50-80% by 2050. CO2 is a big factor in GHG, accounting for about 76 percent of total greenhouse gas emissions in 2015. Kenana Co. Ltd, Sudan’s largest sugar company, 2009 year inaugurated the ethanol plant which produces 200,000 liters/day of anhydrous alcohol with an approximate grade of 99.6 % W/W at 20°C, the fermentation section produces 0.76 kg of CO2 for every liter of ethanol produced, therefore, the CO2 by-product of kenana ethanol plant from fermentation emission capacity is about 55,632.00 tons/year. The CO2 produced during the alcoholic fermentation it’s nearly pure, so at low cost can be utilized, its straightforward capturing just captures, dihydrate, compressing, and storage. Carbon dioxide (CCU) utilization will allow a negative emissions balance to develop a key strategy for reducing atmospheric carbon emissions, and also can provide economic benefits by using the captured CO2 as a feedstock or converting it to other chemicals or fuels.