INTEGRATED PRODUCTION OF UREA FOR DIESEL EXHAUST FLUID AND UREA AMMONIUM NITRATE

Title:

INTEGRATED PRODUCTION OF UREA FOR DIESEL EXHAUST FLUID AND UREA AMMONIUM NITRATE

Document Type and Number:

WIPO Patent Application WO/2016/153354

Kind Code:

A8

Abstract:

Disclosed is a method for the integrated production of two different urea products. One is an aqueous urea solution suitable for use in NOx abatement (generally indicated as Diesel Exhaust Fluid – DEF). The other is a solution used as a fertilizer, viz. Urea Ammonium Nitrate (UAN). The production of DEF and UAN are integrated as follows: ammonia recovered from the production of urea is used as a feed to the production of ammonium nitrate. At least part of an aqueous urea stream from urea production, is mixed with ammonium nitrate so as to obtain UAN.

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Inventors:

DOBREE JOEY (NL)
MENNEN JOHANNES HENRICUS (NL)

Application Number:

PCT/NL2016/050213

Publication Date:

March 08, 2018

Filing Date:

March 29, 2016

Export Citation:

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Assignee:

STAMICARBON (NL)

International Classes:

C01C1/18; B01D3/00; B01J19/00; C05C9/00; C07C273/02; C07C273/04; C07C275/02

Attorney, Agent or Firm:

JANSEN, C.M. et al. (NL)

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