A PROCESS FOR PURIFYING WASTE GASES IN THE PREPARATION OF UREA

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专利权人:

DSM IP ASSETS B.V.

发明人:

MEESSEN JOZEF HUBERT

申请号：

UA20030065170

公开号：

UA75900(C2)

申请日:

2001.11.23

申请国别(地区):

乌克兰

年份:

2003

代理人:

摘要：

Process for the preparation of urea ammonia and carbon dioxide, wherein the waste gases released at virtually atmospheric pressure in a urea plant arccompressed by an ejector driven by the waste gas from the high-pressure synthesis and are supplied to a medium-pressure absorber. The pressure of the waste gases is increased by 0.15-1 MPa.

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