发明名称 REMOVAL OF UREA AND AMMONIA FROM EXHAUST GASES
摘要 The invention relates to a method for recovery of urea dust and ammonia from a gas stream by contacting said gas stream with an aqueous sulphuric acid solution, thus forming an acid solution of ammonium sulphate and urea, characterized in that the acid solution is concentrated to a melt comprising less than 5 wt % of water, which melt is subsequently transferred into solid particles comprising urea and ammonium sulphate.
申请公布号 US2014090433(A1) 申请公布日期 2014.04.03
申请号 US201314098496 申请日期 2013.12.05
申请人 STAMICARBON B.V. 发明人 MEESSEN JOZEF HUBERT;ORFANIDIS PANTELIS
分类号 C05C9/00 主分类号 C05C9/00
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