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  • Home
  • Revamping
    • Ammonia revamping
    • Urea revamping
      • Total Recycle Processes
      • CO2 Stripping Process
      • Ammonia Stripping Processes
    • Nitric Acid revamping
    • Nitrates revamping
    • Phosphates & Complex Fertilizers revamping
    • Melamine revamping
    • Methanol revamping
  • New plants
    • Ammonia new plants
    • Urea new plants
    • Nitric Acid new plants
    • Nitrates new plants
    • Phosphates & Complex Fertilizers new plants
    • Melamine new plants
    • Methanol new plants
    • Syngas new plants
  • Green and Blue solutions
  • Markets
    • Ammonia
    • Urea
    • Nitric Acid
    • Nitrates
    • Phosphates & Complex Fertilizers
    • Melamine
    • Methanol
    • Syngas
    • Integrated solutions
  • Technologies
  • Services
    • Digital services
    • Engineering services
    • Customer care
    • Scope of work
  • News
  • Events
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    • Past Webinars
    • Conferences
    • Symposia
  • About us
    • Casale
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    • Casale Project
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    • How to reach us
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    • Contact us
  • Careers
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    • Ammonia
    • Urea
    • Nitric Acid
    • Nitrates
    • Phosphates & Complex Fertilizers
    • Melamine
    • Methanol
    • Syngas
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  1. Home
  2. Revamping
  3. Urea revamping

Total Recycle Processes

Urea revamping

In Total Recycle processes the urea synthesis occurs at high pressure and is then followed by medium- and low-pressure sections where the unreacted carbamate is decomposed and the resulting carbon dioxide and ammonia are recovered. Compared with modern CO2 or ammonia stripping processes they lack a high-pressure decomposition and condensation stage. Ammonia and carbon dioxide are recycled separately in the form of pure liquid ammonia and aqueous carbamate solution. Total recycle processes are typically operated with high N/C molar ratios (3.8-4.5) in the synthesis reactor to maximize carbon dioxide conversion.

High efficiency combined process

Best option for revamping Total Recycle plants with capacity increase up to 60%

Key features

  • CO2 conversion up to 72%
  • Steam consumption 900 kg/MT urea

Read more …

Conversion to modern stripping synthesis

Suited for revamping of Total Recycle plants with capacity increase up to 100%

Key features

  • CO2 conversion up to 80%
  • Steam consumption 700 kg/MT urea

Read more …

Market

  • Urea

folder Urea downloads

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