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Process technology using gasified coal to make ethylene and propylene

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World Coal,

LUXI Chemical Group Co., Ltd has selected Honeywell UOP’s advanced methanol-to-olefins (MTO) process to convert methanol derived from gasified coal into 293 000 tpy of ethylene and propylene at its facility in Liaocheng, Shandong Province, China. The operations will be managed by a suite of automation and control technologies from Honeywell Process Solutions (HPS).

These petrochemicals are usually produced from crude oil. But using coal for the MTO process allows producers in regions without abundant domestic supplies of crude oil the opportunity to produce the key plastics building blocks.

“The technology to turn methanol from coal into plastics has been well-proven in China, which is expected to invest more than US$100 billion in coal-to-chemicals technology in the next five years,” commented Mike Millard, Vice President and General Manager of UOP’s Process Technology and Equipment business. “Eight companies in China have chosen UOP’s Advanced MTO technology, representing a total capacity of nearly 3.2 million tpy.”

The automation and control systems at the plant, which will be supplied by HPS, contain proprietary UOP operating models to improve operating efficiency. The suite of solutions includes the Experion® Process Knowledge System (PKS) and Safety Manager.

“Combining UOP process technology with HPS automation and controls will help LUXI maximise its return on investment for the entire project lifecycle – from startup to reaching and maintaining peak performance,” said Aldous Wong, HPS Vice President. “As competition continues to grow, it is critical that facilities maximise production while lowering total cost of ownership.”

Honeywell UOP’s Advanced MTO process combines the UOP/Hydro MTO process and the Total/UOP Olefin Cracking process to increase yields and feedstock efficiency. The process converts methanol from coal and natural gas into ethylene and propylene.

UOP’s proprietary catalysts make it possible to efficiently adjust the ratio of propylene and ethylene produced so operators can most effectively meet demand for those products.

Edited from press release by Harleigh Hobbs

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