Energy Integrated Distillation Column Sequence by Driving Force Method and Pinch Analysis for Five Components Distillation
| Autor: | Munawar Zaman Shahruddin, Mohd. Kamaruddin Abd. Hamid, Muhammad Afiq Zubir, Kamarul Asri Ibrahim, Muhammad Fakhrul Islam Zahran, Ahmad Nafais Rahimi |
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| Rok vydání: | 2017 |
| Předmět: |
Sequence
business.industry 020209 energy Cooling load 02 engineering and technology law.invention Fractionating column law Heat exchanger 0202 electrical engineering electronic engineering information engineering Pinch analysis Pinch Process engineering business Distillation Efficient energy use Mathematics |
| Zdroj: | Energy Procedia. 142:4085-4091 |
| ISSN: | 1876-6102 |
| DOI: | 10.1016/j.egypro.2017.12.329 |
| Popis: | Distillation is an energy-driven process that is recognised as the most widely used in chemical and petrochemical industries. Energy efficiencies have always been the key issue for this technology to survive. Therefore, this paper aims to investigate the use of driving force method to determine the best distillation sequence for energy efficiency. The method is supported using pinch analysis for the opportunity to extend the energy saving in the process. The distillation process involved five alkanes components which are n-hexane, n-heptane, n-octane, n-nonane and n-decane. The rigorous simulations for 14 possible distillation column sequences including driving force sequence have been carried-out by using ASPEN HYSIS V9 software. Then, the data were extracted for pinch analysis and the best sequence was determined based on total load, heating load and cooling load. The grid diagram for heat exchanger network was then proposed for the best sequence. From the results, it can be claimed that the use of pinch technology enhanced the energy saving most of the sequences. The best sequence is sequence no. 9 that recorded percentage saving of 34.83 % for total load, 33.87 % for heating load and 35.84 % for cooling load. On the other hand, driving force sequence (sequence no. 5) also accounted as one of the highest efficiency and still become an attractive method for best sequence determination. As a conclusion, further energy saving can be achieved via the use of pinch analysis in any distillation sequence. |
| Databáze: | OpenAIRE |
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