RETRACTED: Analysis and optimization of thermal power plants: Pinch and exergy methods

Wang, Dongxuan; Zou, Yunhe; Farjam, Hashem

doi:10.1016/j.jclepro.2023.139287

Cited by 1 publication

(1 citation statement)

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“…They determined that heat integration resulted in reducing the heat consumption by 39%, the capital cost by 11%, and the environmental footprint by 7-22% [16]. Wang et al [17] applied exergy and pinch analyses to optimize a combined cycle power plant. They reported an overall energy efficiency increase of 70.56% after optimization compared to 68.73% before, as well as a 5.56% reduction in exergy losses in the high-pressure section.…”

Section: Introductionmentioning

confidence: 99%

Energy Optimization through Heat and Power Integration on a Chlorobenzenes Production Plant

Alqahtani,

Alrefai,

Almutlaq

et al. 2024

Processes

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In this research work, an attempt has been made to address the heat and power integration opportunities for the process of the chlorination of benzene. This process produces a mixture of chlorobenzenes. To increase the production of the dichlorobenzene portion, the ratio of chlorine to benzene is typically 2:1. A process simulation model is designed using Aspen Plus for the production of 70,000 tons/year of dichlorobenzene via the reaction of liquid benzene with gaseous chlorine. Energy analysis is performed for the effective utilization of the utilities by networking the heat exchangers. This modification reduced the process heating and cooling requirements by 56.7% and 12.7%, respectively, and a reduction by 35.4% in the operating costs is achieved, while the annualized fixed cost increased by 9.6%; these changes resulted in savings in the total annual costs of about 10.9%.

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Section: Introductionmentioning

confidence: 99%