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- W2363571503 abstract "Based on human experience,Sinopec Luoyang Company′s aromatic unit uses advanced process control software and customized approaches to meet the needs for advanced control.The entire advanced process control system consists of six independent subsystems—the advanced control subsystem for the prefractionation unit,the advanced control subsystem for the extraction unit,the advanced control subsystem for the dismutation unit,the advanced control subsystem for the xylene unit,the advanced control subsystem for the absorption and separation unit and the advanced control subsystem for the isomerization unit.Each system can be put into use or cut off with the use of their own selector switch based on process conditions and needs.After nearly five months of continuous operation,the unit achieved stable process control and all key technical indices for rectifying towers improved greatly compared with those prior to the start of operation of the advanced process control system.The average amplitude of fluctuation decreased by over 30%.The yield of benzene,toluene and xylene reached 60.21%,2.49% higher than that prior to the operation of this advanced control system.At the same time,the system helps improve the overall level of automation of all units of the aromatic unit.The uptime rate of the system exceeds 90% and the labor intensity is lower.After the advanced process control technology was introduced,the overall energy consumption in producing products has dropped by 1.75% and the annual economic benefits from the use of this technology reach 6.502 million yuan." @default.
- W2363571503 created "2016-06-24" @default.
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- W2363571503 date "2010-01-01" @default.
- W2363571503 modified "2023-09-25" @default.
- W2363571503 title "The Application of Advanced Process Control Technology in Aromatic Unit" @default.
- W2363571503 hasPublicationYear "2010" @default.
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