尿素プラントのガス流から硫酸アンモニウムを回収する方法およびシステム

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专利权人:

サイペム エッセ．ピ．ア．

发明人:

ロレンツォ ブルーノ,アレッサンドロ ジャナッツァ,リーノ カルレッシ

申请号：

JP20160514521

公开号：

JP6415544(B2)

申请日:

2014.05.22

申请国别(地区):

日本

年份:

2018

代理人:

摘要：

A method of recovering ammonium sulphate from a gas stream produced in a urea plant (1), and in particular by a solidification unit (10) of the urea plant, the method including the steps of : treating a gas stream from a solidification unit (10) in a scrubber (13) to remove ammonia from the gas steam and form an ammonium sulphate solution; mixing the ammonium sulphate solution from the scrubber (13) with a low-concentration urea solution produced in the urea plant (1), and removing water in an evaporator (15), to form a urea-ammonium sulphate eutectic; and feeding the eutectic, mixed with high-concentration urea melt produced by the urea plant (1), to the solidification unit (10).

来源网站：

中国工程科技知识中心

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