Emerson helps bioethanol plant in Turkey realize start-up and operational gains


Emerson's project engineering and PlantWeb architecture enabled the TARKİM plant to start up a month early and produce almost 30% above target levels.
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Emerson's PlantWeb solution at TARKİM includes 381 field instruments, 108 control valves and 124 on/off valves, using HART communications protocol.
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Emerson's AMS Suite: Intelligent Device Manager is used to help identify potential problems before they develop into events that could close the line.
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The automation system for the TARKİM bioethanol plant is based on Emerson's PlantWeb plant architecture and includes a DeltaV digital control system.
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Emerson's project engineering and PlantWeb® architecture enable TARKİM plant to start up a month early and produce almost thirty percent above target levels

AUSTIN, TEXAS  (May 8, 2008) – Emerson Process Management has announced start-up and operational gains following completion of the second year of operation of its PlantWeb® digital automation architecture at a new bioethanol production plant operated by TARKİM in Mustafakemalpaşa-Bursa, Turkey.

Bioethanol is the world's largest source of renewable energy, and its use has the added advantage that crops used for feedstock help to reduce greenhouse gas emissions by absorbing CO2 emissions during crop growth. The new plant processes grain, usually corn and wheat, to produce ethanol to be used as a fuel additive. Rapid startup of the plant was critical and the contribution made by Emerson during the startup phase meant that TARKİM was able to start up one month earlier than scheduled. This provided cost savings of €220,000 and helped book early revenues.

The plant has been operating for over two years and during that time there have been no off-specification product or quality concessions made. During this operational period, the reliability of the plant has been outstanding with only two or three unexpected shutdowns. The PlantWeb architecture has contributed to a 28 percent increase in production at the plant from the planned level.

The control system at the new bioethanol plant is based on Emerson's PlantWeb digital plant architecture. This includes a DeltaV™ digital automation system communicating with 381 field instruments, 108 control valves and 124 on/off valves using HART communications protocol. There are over 1200 input/output points. Emerson also supplied redundant controllers and power supplies. 

Emerson field devices include intelligent Rosemount® pressure and temperature transmitters, Fisher® control valves, and Fisher FIELDVUE® digital valve controllers.  Micro Motion® intelligent Coriolis flowmeters are used to measure slurry and syrup flow at the plant and Emerson's AMS® Suite: Intelligent Device Manager software was also included on the project.

Operating in a highly competitive global market, accurate process control is very important for TARKİM as this directly effects productivity and consequently control of the unit price. “Emerson's PlantWeb digital architecture has made a big contribution to minimizing production losses,” said Levent Kalin, TARKİM factory manager. “There are literally hundreds of limits for parameters which are set by the DeltaV digital system. These are checked regularly and alerts generated for any that are outside limits. When there is a problem, a fast solution gains us time for production. Consequently, our unit costs are approximately 10 per cent lower than we expected.”

The ethanol production process consists of several operations performed in series. Consequently, downtime at any unit impacts on the output from the others. With unscheduled downtime being a critical factor, AMS Device Manager is used to help identify potential problems before they develop into events that could close the line.

“We were pioneers when we entered this sector,” said Ahmet Tüzün, TARKİM general manager. “Our global aim is to become an expert and pioneer company not only in bioethanol but widely in the biofuel sector; to keep our existing position and to expand the sectors we serve not only in Turkey but also in other geographical territories. Based on the success of this project we would want Emerson to continue as our partners.”

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About Emerson
Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential markets. Our Emerson Automation Solutions business helps process, hybrid, and discrete manufacturers maximize production, protect personnel and the environment while optimizing their energy and operating costs. Our Emerson Commercial and Residential Solutions business helps ensure human comfort and health, protect food quality and safety, advance energy efficiency, and create sustainable infrastructure. For more information visit Emerson.com.

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