Swedish refiner installs advanced blend control system

In 2001, Preem Petroleum AB commissioned an advanced blend control system at its Gothenburg, Sweden, refinery (Fig. 1). Preem wanted to modernize its blending process, blend more economically, and adapt to stringent and constantly changing European product specifications.Preem selected ABB Inc. to supply the blend system, which includes online optimization using continuous analyzer feedback. Since commissioning, Preem has reduced the blend cost, production time, and number of blend corrections.The blend package supplied by ABB includes:Fourier transform infrared (FTIR) analyzer for online, continuous measurement of key blend properties.Advanced blend control (ABC) for blend order creation...

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