Boost Ethylene and Propylene Production with Air Liquide's MTP Process and Technip's Ethylene Technology

Source: AIChE
  • Type:
    Conference Presentation
  • Conference Type:
    AIChE Spring Meeting and Global Congress on Process Safety
  • Presentation Date:
    April 13, 2016
  • Duration:
    30 minutes
  • Skill Level:
    Intermediate
  • PDHs:
    0.50

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In recent years, the steam cracker industry has moved to lighter feedstocks. In particular, a significant number of steam crackers in the US have been revamped to switch to ethane feedstock, thereby reducing the propylene production. As a result, olefin producers must find new ways to restore the balance between the ethylene and propylene products. Conversion of methanol to propylene via Lurgi MTPTM from Air Liquide is one of the proven technologies available for on-purpose propylene production. Up to now, Air Liquide MTPTM plants have been designed and installed as stand-alone units. Air Liquide and Technip are currently proposing a new design approach, which combines an MTP plant and a steam cracker unit. Compared to a stand-alone MTP plant and a stand-alone ethane cracker, the integration of the two units boosts the overall ethylene and propylene production by 5 to 10%, depending of the site configuration. The proposed integration is flexible and can be applied to both existing steam crackers as well as grass-root plants.

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