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- Thai Oleochemicals Co., Ltd., Thailand
Success Stories
Thai Oleochemicals Co., Ltd., Thailand
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About TOL's New Oleochemical Plant
Oleochemical samples
In response to rising demand in Thailand for oleochemicals, which are environmentally friendly biodegradable substances used in applications such as fuels and personal care products, Thai Oleochemicals Co., Ltd. (TOL) has recently completed the construction of a new oleochemical production facility. The new plant is located at the Map Ta Phut Industrial Estate in Rayong, Thailand, which is 160 km southeast of Bangkok, and is capable of annually producing 100,000 tons of fatty alcohol, 200,000 tons of methyl ester (ME), and 31,000 tons of glycerine from crude palm oil.
The ME produced at this plant is blended with petroleum diesel to create biodiesel, a biodegradable and clean burning fuel than has the same combustion properties as conventional petroleum diesel fuel.
To ensure that the new plant would operate reliably and safely, TOL relied on a solution from Yokogawa based on the CENTUM CS 3000 Integrated Production Control System and the ProSafe-RS Safety Instrumented System.
The Challenges and the Solutions
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• Only four months were allocated for hardware installation and plant start-up. Within this tight timeframe, the CENTUM CS 3000 and ProSafe-RS system hardware had to be installed in the plant's control and rack rooms and their functions checked. Transmitters were also installed and loop checks were performed. Many software changes had to be accommodated quickly and flexibly. All this work was performed within specifications and on schedule.
• Plant safety and efficiency also had to be maintained by automating plant operations to the maximum possible extent. To accomplish this objective, the ProSafe-RS and CENTUM CS 3000 systems were fully integrated. The combination of feedback and sequence control with the graphic display of trend data, alarm summaries, operator guide messages, and other information have greatly enhanced operations at this plant. The highly reliable CENTUM CS 3000 system has also helped TOL maintain high productivity at this facility.
• Finally, as TOL only has a few DCS engineers who are available to work on these systems at short notice, the company relies on support provided by personnel from Yokogawa's Rayong service office. Its 24/7/365 support is very much appreciated by TOL.
Customer Satisfaction
Mr. Sayan
in the control room
"Yokogawa's engineers were all very patient and cooperative during the early engineering and start-up phases. We worked as one team through to the completion of this plant project," said Sayan Saesue, TOL's Engineering and Maintenance Division Manager.
| Control system: | CENTUM CS 3000, ProSafe-RS, CCTV |
| Transmitters: | HART communication |
| Number of I/O points: | 3,000 for CENTUM, 600 for ProSafe-RS |
| Software package: | Exaquantum |
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