DCS advanced control improves Chinese ethylene cracker operation

Honggang WangZhenlei WangHua MeiFeng QianEast China University of Science and TechnologyShanghaiZhiwu TangSinopec Yangzi Petrochemical Co. Ltd.Nanjing, ChinaChina Petroleum & Chemical Corp. (Sinopec) improved ethylene crackers operations, increased desirable olefin product yields, and reduced fuel consumption by implementing DCS-resident advanced control strategies at ethylene crackers in its five ethylene plants.The conservatively estimated quantifiable benefits of the project for the crackers amount to nearly $4 million/year for a typical 700,000-tonnes/year ethylene plant, with payback of less than 1 month.BackgroundEthylene capacity in China has doubled during 2005-10 in response ...

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