Process efficiency enhancement of single mixed refrigerant LNG process
Liquefied Natural Gas (LNG) processing is as an energy and cost-intensive process due to the large energy consumption required to liquify the gas. The objective of this study is to enhance the process efficiency of a Single Mixed Refrigerant (SMR) LNG process for a small-scale LNG train with a capac...
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| Format: | Conference or Workshop Item |
| Language: | English |
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AIP Publishing
2025
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| Online Access: | http://umpir.ump.edu.my/id/eprint/44246/ http://umpir.ump.edu.my/id/eprint/44246/1/Process%20efficiency%20enhancement%20of%20single%20mixed%20refrigerant%20LNG%20process%20_%20AIP%20Conference%20Proceedings%20_%20AIP%20Publishing.pdf |
| _version_ | 1848827061851914240 |
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| author | Nazreen Begum, Najibullah Khan Dhiviya, Tinakaran |
| author_facet | Nazreen Begum, Najibullah Khan Dhiviya, Tinakaran |
| author_sort | Nazreen Begum, Najibullah Khan |
| building | UMP Institutional Repository |
| collection | Online Access |
| description | Liquefied Natural Gas (LNG) processing is as an energy and cost-intensive process due to the large energy consumption required to liquify the gas. The objective of this study is to enhance the process efficiency of a Single Mixed Refrigerant (SMR) LNG process for a small-scale LNG train with a capacity of 1-2 million tonnes per annum (MTPA). The process efficiency is enhanced by determining the optimal combination of mixed refrigerant composition such as nitrogen, methane, ethane, propane and butane that will minimise the overall energy consumption. The SMR LNG process is modelled and simulated using Aspen Plus. The process efficiency is evaluated using two parameters which are specific power (SP) and coefficient of performance (COP). By enhancing the mixed refrigerant composition of SMR process the results indicate that the specific power (SP) is improved from 0.225 kWh/kg to 0.218 kWh/kg (i.e. improvement about 3.3%). Meanwhile, the coefficient of performance (COP) is improved to 4.22 which indicate about 5% improvement in term of process efficiency enhancement. |
| first_indexed | 2025-11-15T03:54:44Z |
| format | Conference or Workshop Item |
| id | ump-44246 |
| institution | Universiti Malaysia Pahang |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T03:54:44Z |
| publishDate | 2025 |
| publisher | AIP Publishing |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | ump-442462025-04-08T01:14:45Z http://umpir.ump.edu.my/id/eprint/44246/ Process efficiency enhancement of single mixed refrigerant LNG process Nazreen Begum, Najibullah Khan Dhiviya, Tinakaran TP Chemical technology Liquefied Natural Gas (LNG) processing is as an energy and cost-intensive process due to the large energy consumption required to liquify the gas. The objective of this study is to enhance the process efficiency of a Single Mixed Refrigerant (SMR) LNG process for a small-scale LNG train with a capacity of 1-2 million tonnes per annum (MTPA). The process efficiency is enhanced by determining the optimal combination of mixed refrigerant composition such as nitrogen, methane, ethane, propane and butane that will minimise the overall energy consumption. The SMR LNG process is modelled and simulated using Aspen Plus. The process efficiency is evaluated using two parameters which are specific power (SP) and coefficient of performance (COP). By enhancing the mixed refrigerant composition of SMR process the results indicate that the specific power (SP) is improved from 0.225 kWh/kg to 0.218 kWh/kg (i.e. improvement about 3.3%). Meanwhile, the coefficient of performance (COP) is improved to 4.22 which indicate about 5% improvement in term of process efficiency enhancement. AIP Publishing 2025-01-29 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/44246/1/Process%20efficiency%20enhancement%20of%20single%20mixed%20refrigerant%20LNG%20process%20_%20AIP%20Conference%20Proceedings%20_%20AIP%20Publishing.pdf Nazreen Begum, Najibullah Khan and Dhiviya, Tinakaran (2025) Process efficiency enhancement of single mixed refrigerant LNG process. In: AIP Conference Proceedings. AIP Conference Proceedings; 3rd Process Systems Engineering and Safety Symposium 2023, ProSES 2023 , 6 September 2023 , Kuantan, Pahang. pp. 1-6., 3266 (1). ISSN 0094-243X ISBN 978-073545109-4 (Published) https://doi.org/10.1063/5.0248873 |
| spellingShingle | TP Chemical technology Nazreen Begum, Najibullah Khan Dhiviya, Tinakaran Process efficiency enhancement of single mixed refrigerant LNG process |
| title | Process efficiency enhancement of single mixed refrigerant LNG process |
| title_full | Process efficiency enhancement of single mixed refrigerant LNG process |
| title_fullStr | Process efficiency enhancement of single mixed refrigerant LNG process |
| title_full_unstemmed | Process efficiency enhancement of single mixed refrigerant LNG process |
| title_short | Process efficiency enhancement of single mixed refrigerant LNG process |
| title_sort | process efficiency enhancement of single mixed refrigerant lng process |
| topic | TP Chemical technology |
| url | http://umpir.ump.edu.my/id/eprint/44246/ http://umpir.ump.edu.my/id/eprint/44246/ http://umpir.ump.edu.my/id/eprint/44246/1/Process%20efficiency%20enhancement%20of%20single%20mixed%20refrigerant%20LNG%20process%20_%20AIP%20Conference%20Proceedings%20_%20AIP%20Publishing.pdf |