SPC Online Gasoline Blending System Approved

abarrelfullabarrelfull wrote on 30 Dec 2014 06:53

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The research and application project of the online gasoline blending system of Sinopec Shanghai Petrochemical Company Limited (SPC) has recently survived the appraisal by the expert team. With advanced technology leading in China, the system can automatically measure all data of different compositions in oil samples, generate the best blending solution and blend qualified gasoline products.

In the past, SPC adopted the traditional blending method with manmade tanks in its gasoline blending. To ensure the quality of oil products, it has to use superfluous crude oils in the blending. Since SPC had a variety of crude oils and different processing ways, the attributes of key blending compositions, including the catalytic cracking gasoline, are often changed. Besides, the environment protection sector had a much stricter limit to the content of alkenes, aromatic hydrocarbons and sulfur from fuels. All this has increased the difficulty in gasoline blending. To save the resource and improve the blending efficiency, it is imperative to develop a set of customized online blending systems.

SPC managed to complete the technical innovation for the online gasoline blending system, the development of blending rules, the installation and debugging of near infrared online analyzer as well as the model construction. Also, it finalized the function design of the online blending system. The soft operation of the project at the end of September 2006 achieved the online gasoline blending. So far, SPC has blended more than 400 thousand tons' various oil products, with one-time success rate and pass rate both reaching 100%.

According to the appraisal, the application of the system has facilitated SPC to the stable control and borderline optimization in its oil production, which has enhanced the operation level of oil production and the automation degree of blending. With less material and energy consumption, shortened blending period and reduced labor intensity of operators, the economic benefits are considerable. According to SPC's oil production capacity in 2007, it can make a profit of more than RMB10 million.

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