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The LNG Company is interested in enhancement and restructuring of their existing Air Separation Unit (ASU). LNG had built 3rd LNG train in 2005 along with the 3rd nitrogen separation unit. Since then the company is having difficulties in maintaining their nitrogen reservoir and product specification, therefore, the aim of this project is to design and develop the apparatus and technology for Air Liquation and Separation, which the company could integrate into their existing system; to optimize the up-stream processing. The project aim is be achieved by undertaking and successfully completing the following key phases;
As outline previously, the methodology of this project has been categorized in three distinct phases, details of which has been outlined as below.
A positivist approach will be used to collect qualitative data from literature review in this phase. Secondary data source will be comprised of academic journal articles on ASU and related technologies, as the main themes of literature review will include published data related to development and processing of air separation into nitrogen and oxygen. This data will be used to outline a comparison of different separation processes and use of technology in LNG to produce Nitrogen.
In order to analyze various techniques used in the LNG processes, to familiarize with current technology and processes, a detailed secondary research will be conducted. This will include comprehensive analyses/study of ASU process drawings, operational layouts, designs, and operating manual. Moreover, operating procedure of ASU, the related material safety data sheet and troubleshooting methods will also be critically reviewed in this phase of the project development
In the Investigative phase, experimentations will be completed to collect quantitative data for the project. This phase is considered to be of pivotal importance, as it is aimed at determining the technical solution for LNG problems. Therefore, a comprehensive strategy has been devised to complete the investigative analyses of this project.
Firstly, the actual startup of ASU equipment will be carried out through the existing manufacturing start up procedures. The startup procedure will be carefully reviewed and acknowledged during this process, and liquid nitrogen will be produced by the end of this activity. Then in the second step, experimentation on the product purity will be performed. The unit capacity tests will be carried out along with nitrogen consumption tests, machinery reliability and efficiency test, and the control systems test of ASU. The product quality test including sampling will also be conducted during this phase of the project.
The statistical results from experiments will then be collected, analyzed, and compared with the findings from the literature reviewed. This analysis and discussion of the results obtained will assist in finding the required solution for ASU process optimization. The modification plan for improving/optimizing ASU apparatus and processes will be then be formed on the basis of the research findings. The implementation procedures will be outlined and recommendations will be drafted; to utilize the best solutions effectively and optimize the processes involved. In the final step, the planned modifications will be implemented through performing the re-engineered experimentations, and the feedback will be recorded which will be based on the results obtained from implemented modifications. The test phase of implementation will be around two to three week and all the changes in ASU (new implementations) along with the new experimental results will be properly documented.
In the final phase of this research, the final project report will be completed and submitted. The report will include the project introduction, aims and objectives, basic theory, critical review of literature, experimental work completed, developments, discussions and conclusions. The project poster will also be formulated and presented in this phase of the project. The Project Gantt Chart for this project has been outline as below;
Project schedule- Gantt chart