Proposal and energy/exergy/economic analyses of a smart heat recovery for distillation tower of the Naphtha Hydrotreating Unit of the Petrochemical Plant; designing a low-carbon plant
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Xiaoyue Lyu
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Jinyue Wang
Abstract
This paper suggests a novel framework to retrieve the squandered heat of the Naphtha Hydrotreating Unit of the petrochemical plants. In this idea, the distillation tower’s output of the hydrotreating naphtha unit of the plant is employed as the working fluid to run an organic Rankine cycle with benzene. The procedure is evaluated comprehensively from energy, economic and exergetic point of view using Aspen Haysys software. An advanced case study, including sensitivity analysis, is provided for the Bouali petrochemical plant in Iran to realistically indicate the performance of the suggested configuration. The air cooler in the distillation unit of the aforementioned plant removes (squanders) about 3418 kW of energy, which an organic Rankine cycle can recover. Based on the findings, the exergetic and thermal efficiency of the suggested cycle is 82.53 % and 13.28 %, respectively, with a 1,3620kWh/day rate of energy production. According to the exergetic analysis, the ORC turbine has the highest exergy destruction rate of about 178.76 kW. Also, using the distillation tower squander heat as the heat source to the organic Rankine cycle leads to the least exergy destruction rate. Besides, the output exergy ratio of the whole integrated system to its input is 0.907. The suggested integrated system reduces the total energy consumption from 0.4 to 0.29 GJE/tonFeed with a total investment cost of 11.97 M$, in which the turbines have the highest portion of about 11.2 M$. Hence, the suggested plan’s total income is around 31.94 M$/year.
Acknowledgments
Guangdong Universities’ 2018 Young Innovative Talents Project (2018WQNCX308) produced ‘Research on the relationship between corporate value and CSR information disclosure.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Tuning of PID controllers for unstable first-order plus dead time systems
- Oxygen excess ratio control of PEM fuel cell: fractional order modeling and fractional filter IMC-PID control
- Proposal and energy/exergy/economic analyses of a smart heat recovery for distillation tower of the Naphtha Hydrotreating Unit of the Petrochemical Plant; designing a low-carbon plant
- Three-dimensional CFD study on thermo-hydraulic behaviour of finned tubes in a heat exchange system for heat transfer enhancement
- A simulation and thermodynamic improvement of the methanol production process with economic analysis: natural gas vapor reforming and utilization of carbon capture
- Optimization of hydrogel composition for effective release of drug
- Mathematical modelling of water-based biogas scrubber operating at digester pressure
- COCO, a process simulator: methane oxidation simulation & its agreement with commercial simulator’s predictions
- Hydrodynamics of shear thinning fluid in a square microchannel: a numerical approach
- Parameter estimation in non-linear chemical processes: an opposite point-based differential evolution (OPDE) approach
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Tuning of PID controllers for unstable first-order plus dead time systems
- Oxygen excess ratio control of PEM fuel cell: fractional order modeling and fractional filter IMC-PID control
- Proposal and energy/exergy/economic analyses of a smart heat recovery for distillation tower of the Naphtha Hydrotreating Unit of the Petrochemical Plant; designing a low-carbon plant
- Three-dimensional CFD study on thermo-hydraulic behaviour of finned tubes in a heat exchange system for heat transfer enhancement
- A simulation and thermodynamic improvement of the methanol production process with economic analysis: natural gas vapor reforming and utilization of carbon capture
- Optimization of hydrogel composition for effective release of drug
- Mathematical modelling of water-based biogas scrubber operating at digester pressure
- COCO, a process simulator: methane oxidation simulation & its agreement with commercial simulator’s predictions
- Hydrodynamics of shear thinning fluid in a square microchannel: a numerical approach
- Parameter estimation in non-linear chemical processes: an opposite point-based differential evolution (OPDE) approach
