Energy Auditing of the Ethiopian Pulp and Paper Factory
| dc.contributor.advisor | Edessa, Dribssa (PhD) | |
| dc.contributor.author | Yisahak, Mebratu | |
| dc.date.accessioned | 2018-07-31T11:23:05Z | |
| dc.date.accessioned | 2023-11-18T06:32:14Z | |
| dc.date.available | 2018-07-31T11:23:05Z | |
| dc.date.available | 2023-11-18T06:32:14Z | |
| dc.date.issued | 2014-01 | |
| dc.description.abstract | The objective of this thesis is to understand the energy utilization and look for ways of conservation for the Ethiopian pulp and paper S.co. To understand the process, a thorough assessment of the production process was carried out, as it is a vital step to identify energy conservation opportunities. Job implementation reports of the factory were investigated and it was found that, recently it is using around 15GJ/ton. World and European best practices were also investigated, and it was found out that in around 2000 G.C., 7.1GJ/ton to 7.64GJ/ton was a good practice. A benchmark that was useful before 13 years is good enough for a developing country like Ethiopia. To close the gap, energy conservation opportunities were also identified and listed out. One of the opportunities was selected on the basis of importance and a detailed audit was carried out. Specifically, the primary drier section was quantitatively modeled. It was found out that 1.41Mw of waste heat was being ejected through the hood. It was also pointed out that recovering of some of this waste heat would have a positive contribution towards closing the gap. Economic analysis of the recovery system suggested that it was economically feasible. Energy loses due to: - rework, steam leakage, and condensate leakage, were also quantitatively estimated. And it was found out that, potentially, about 1.924 GJ/ton or 1,572,500 birr per year can be saved by using modern heat recovery system; 1.55GJ/ton or 809028 birr per year can be saved by avoiding rework; 0.204 GJ/ton or 106508 birr per year can be saved due to avoiding steam leakage and 0.245 GJ/ton or 132795 birr per year can be saved by avoiding condensate leakage. | en_US |
| dc.identifier.uri | http://etd.aau.edu.et/handle/12345678/10664 | |
| dc.language.iso | en | en_US |
| dc.publisher | Addis Ababa University | en_US |
| dc.subject | Thermal engineering | en_US |
| dc.title | Energy Auditing of the Ethiopian Pulp and Paper Factory | en_US |
| dc.type | Thesis | en_US |