Ethylene
Summary
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Since receiving its first contract award in 1966 to build a 200,000 ton/year ethylene plant in Japan, TOYO has maintained a technical alliance with Lummus on ethylene process technology and has been involved in 39 grassroots plants (with a total ethylene production capacity of 15,900,000 ton/year) as well as 36 plant retrofit or revamping projects that include technology licensing and/or EPC. The largest ethylene plant ever designed by TOYO has a capacity of 1,200,000 ton/year of ethylene, licensed to Formosa Petrochemical Corp. of Taiwan in 2003. |
The features of the Lummus ethylene process are the use of an SRT furnace (Short Residence Time furnace) with an excellent selectivity, feedstock flexibility, operational reliability and safety. It is also easy to start up and uses energy efficient technology incorporating a highly efficient steam cracker and downstream fractionation units. The recent innovation of Lummus's olefin technology is listed below as new technology.
The new technology including the integration of a steam cracker unit with OCT (Olefins Conversion Technology) provided by Lummus, delivers improved plant performance as presented below.
Business Description
The world's leading track record in ethylene plant construction
Since the execution of collaboration agreement with Lummus in 1962, TOYO has constructed ethylene plants in 39 projects around the world. Our work ranges from basic design based on the license of Lummus to detailed design, procurement, construction and commissioning. Of the total 113 ethylene plants constructed since 1986 worldwide, 40% adopted the Lummus technology and TOYO has constructed 19%. As can be seen, the combination of Lummus and TOYO boast the leading shares in licensed technologies and construction experience.
![]() Share of ethylene plant award since 1986 (as of the end of 2007) |
![]() Process flow diagram of ethylene plant |
Features
The following features are provided, in terms of energy efficiency and environmental impact.
- Energy consumption: 12% reduction
- Greenhouse gas emissions: 12% reduction
- ISBL equipment count: 23% reduction
- Compressor power: 14% overall reduction
- Operating margins: up to 30% improvement
New technologies
- High capacity SRT-X with ethylene production capacity of up to 300 KTA and high selectivity SRT-VII pyrolysis module
- Low-pressure chilling train
- Binary/Tertiary Refrigeration
- CDHydro® - Catalytic distillation hydrogenation
- Olefins Conversion via Metathesis (OCT)
- Environmental improvement, GHG & NOx Reduction
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Technologies |
Projects |













