A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ENERGY AUDIT AND ASSOCIATED CARBON FOOTPRINT ESTIMATION FOR A BREWING INDUSTRY-A CASE OF META ABO
ndustrial development in Ethiopia is progressing at a fast rate due to the increase in the number of new investments in manufacturing sector. The gap between energy supply and demand is also becoming wide from year to year. To reduce this gap, efficient energy utilization in previously established industries should be achieved. For this purpose, energy audits are usually carried out to pinpoint energy losses thereby recommending saving measures. This research work was aimed to evaluate energy usage efficiency through energy audit and estimate greenhouse gas emission associated with energy inefficiency. Meta Abo Brewery was selected as the study area where comprehensive energy audit was carried out through document reviews and direct measurement using portable thermal and electrical instruments. During boiler energy audit, overall boiler efficiencies were calculated using indirect method. The analysis showed that overall boiler efficiency for Bono Energeia and Cochran boilers were 79.2% and 80.9%, respectively. The analysis made on Meta Abo Brewery’s steam distribution system showed that estimated equivalent fuel loss due to poor and improper insulation of steam pipes was about 35,350 L and cost Birr 638,768 annually. Estimated annual equivalent fuel loss due to steam leakage was about 31,614 L and cost Birr 571,265 annually. The factory overall electrical energy was from the diesel generator installed in the factory compound. The generator is consuming about 6000 liters of diesel per day making electricity expense of the factory very high. Greenhouse gas emission estimation also showed the increasing emission trends in tons of Carbon dioxide equivalent between the years 2014 to 2018. The study showed that the carbon footprint was increased from 9,156 tons of CO2 in 2014 to 22,697 tons of CO2 at the end of 2018.If the proposed energy saving measures are implemented in full, the brewery can annually save thermal and electrical energy of 20.4 TJ which cost about Birr 8.5 million. Successful implementation of energy conservation measures on boiler and steam lines will also reduce greenhouse gas emission of 1310 in tons of Carbon dioxide equivalent. Therefore, it is advisable to implement all proposed energy saving measures.
ENERGY AUDIT AND ASSOCIATED CARBON FOOTPRINT ESTIMATION FOR A BREWING INDUSTRY-A CASE OF META ABO
ndustrial development in Ethiopia is progressing at a fast rate due to the increase in the number of new investments in manufacturing sector. The gap between energy supply and demand is also becoming wide from year to year. To reduce this gap, efficient energy utilization in previously established industries should be achieved. For this purpose, energy audits are usually carried out to pinpoint energy losses thereby recommending saving measures. This research work was aimed to evaluate energy usage efficiency through energy audit and estimate greenhouse gas emission associated with energy inefficiency. Meta Abo Brewery was selected as the study area where comprehensive energy audit was carried out through document reviews and direct measurement using portable thermal and electrical instruments. During boiler energy audit, overall boiler efficiencies were calculated using indirect method. The analysis showed that overall boiler efficiency for Bono Energeia and Cochran boilers were 79.2% and 80.9%, respectively. The analysis made on Meta Abo Brewery’s steam distribution system showed that estimated equivalent fuel loss due to poor and improper insulation of steam pipes was about 35,350 L and cost Birr 638,768 annually. Estimated annual equivalent fuel loss due to steam leakage was about 31,614 L and cost Birr 571,265 annually. The factory overall electrical energy was from the diesel generator installed in the factory compound. The generator is consuming about 6000 liters of diesel per day making electricity expense of the factory very high. Greenhouse gas emission estimation also showed the increasing emission trends in tons of Carbon dioxide equivalent between the years 2014 to 2018. The study showed that the carbon footprint was increased from 9,156 tons of CO2 in 2014 to 22,697 tons of CO2 at the end of 2018.If the proposed energy saving measures are implemented in full, the brewery can annually save thermal and electrical energy of 20.4 TJ which cost about Birr 8.5 million. Successful implementation of energy conservation measures on boiler and steam lines will also reduce greenhouse gas emission of 1310 in tons of Carbon dioxide equivalent. Therefore, it is advisable to implement all proposed energy saving measures.
ENERGY AUDIT AND ASSOCIATED CARBON FOOTPRINT ESTIMATION FOR A BREWING INDUSTRY-A CASE OF META ABO
EBA ADINO BAYU (author)
2019-06-13
doi:10.20372/nadre/3882
Theses
Electronic Resource
English
DDC:
690
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