METHOD FOR PROCESSING A GAS STREAM COMPRISING UREA DUST AND AMMONIA

The present invention provides a method for processing a gas stream comprising urea dust and ammonia, comprising the steps of: (a) separating said ammonia from said urea dust, (b) converting said urea dust into an aqueous urea solution, (c) converting said ammonia into an aqueous ammonium sulphate s...

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Bibliographic Details
Main Authors VAN BELZEN, Ruud, WINNE, Erika, VOLKE, Howard
Format Patent
LanguageEnglish
French
German
Published 07.12.2022
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
AMMONIA
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
CYANOGEN
FERTILISERS
INORGANIC CHEMISTRY
MANUFACTURE THEREOF
METALLURGY
NITROGENOUS FERTILISERS
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:The present invention provides a method for processing a gas stream comprising urea dust and ammonia, comprising the steps of: (a) separating said ammonia from said urea dust, (b) converting said urea dust into an aqueous urea solution, (c) converting said ammonia into an aqueous ammonium sulphate solution, (d) mixing said aqueous urea solution and said aqueous ammonium sulphate solution, thereby obtaining a urea ammonium sulphate solution, and optionally, concentrating said aqueous urea solution, said aqueous ammonium sulphate solution, and/or said urea ammonium sulphate solution.
Bibliography:Application Number: EP20170832787