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Coal-to-Ammonia and Liquids Plant

 
1st
commercial CTL plant in the US using clean coal gasification
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Office: Houston 
Customer: Rentech Energy Midwest 
Location: East Dubuque, Illinois, USA 
Timeframe: 2006 - 2007 

WorleyParsons is led the FEED services for the coal gasification conversion of Rentech Energy Midwest Corporation (REMC) natural gas fed ammonia fertilizer facility in East Dubuque, Illinois and the production of ultra-clean fuels based on Rentech's patented and proprietary Fischer-Tropsch (FT) coal-to-liquids (CTL) technology.

Rentech intends to implement ConocoPhillips E-Gas™ Technology for clean coal gasification at the site to produce syngas initially for use in the production of ammonia and ammonia-based fertilizers and ultra-clean FT fuels.  The FEED contract for the first phase of the project includes the conversion of the ammonia plant feedstock to coal-derived syngas and the installation of FT liquids production.  The results of the FEED work will be used to advance the project and provide a basis for an EPC contract. 

The key project designs included the conversion of the facility from natural gas feed to a syngas feed derived from the gasification of coal and to provide hydrogen feed to the ammonia plant.  Additionally, the balance of syngas will be converted to power production and hydrocarbon fuels using Rentech’s proprietary FT process.

Major challenges:

  • Coal handling and preparation
  • Gasification
  • Power production
  • Syngas to liquids (FT)
  • Ammonia plant revamp (Brownfield)
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