- Patent Title: Process for integrated production of urea and urea-ammonium nitrate
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Application No.: US16461719Application Date: 2017-09-04
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Publication No.: US10550075B2Publication Date: 2020-02-04
- Inventor: Luca Rugnone
- Applicant: Casale SA
- Applicant Address: CH
- Assignee: Casale SA
- Current Assignee: Casale SA
- Current Assignee Address: CH
- Agency: Akerman LLP
- Priority: EP16199479 20161118
- International Application: PCT/EP2017/072054 WO 20170904
- International Announcement: WO2018/091158 WO 20180524
- Main IPC: C07C273/04
- IPC: C07C273/04 ; C07C273/16 ; C07C273/10 ; C05C9/00 ; B01D3/00 ; C05C1/00 ; C07C275/02

Abstract:
Integrated process for the production of urea and urea-ammonium nitrate, comprising: reacting ammonia and carbon dioxide to form a reaction mixture (4) containing urea and unconverted materials, and also comprising the recovery of unconverted materials in a first recovery stage at a first pressure and in a second recovery stage at a second pressure, wherein ammonia-containing offgas (19) released by said second recovery stage are condensed at said second pressure, and said condensed offgas (20) are recycled to said first recovery stage.
Public/Granted literature
- US20190359558A1 A PROCESS FOR INTEGRATED PRODUCTION OF UREA AND UREA-AMMONIUM NITRATE Public/Granted day:2019-11-28
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