Abstract
Abstract In pursuit of energy efficiency and sustainability, this study explores the untapped potential of recovering low-pressure (LP) steam from medium-pressure (MP) steam condensate in Plant A's Train-4 Deheptanizer reboiler. By harnessing the power of LP steam recovery, significant fuel savings, emission reductions, and revenue generation can be achieved. This study aims to assess the technical feasibility and economic viability of this proposed solution. Employing a comprehensive methodology, we gather data from multiple sources, including design specifications, operational figures, and advanced thermodynamic models. The proposed modification to the system enables the recovery of LP steam from the MP condensate, paving the way for remarkable gains in energy efficiency. Through systematic analysis, it has been determined that the waste heat recovery of the LP steam from the MP steam condensate in the Deheptanizer Reboiler has significant technical feasibility. This recovery process involves necessary modifications and additions to the existing infrastructure, enabling the recovery of LP steam and resulting in a substantial increase in energy efficiency. Moreover, the cost savings achieved through LP steam recovery, along with the revenue generated by surplus steam, contribute to its economic viability. This investment demonstrates a short payback period, positive net present value, and a high internal rate of return, all indicating its financial attractiveness. Furthermore, embracing LP steam recovery has a positive environmental impact, specifically in terms of reducing fuel consumption and greenhouse gas emissions. ADNOC Gas's commitment to environmental stewardship is underscored by this solution, as it aligns seamlessly with their sustainability goals. Our findings reveal a promising opportunity for Plant A to unlock enhanced energy efficiency, reduce environmental impact, and achieve substantial cost savings by recovering LP steam from MP steam condensate in the Train-4 Deheptanizer reboiler.
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