发明名称 |
UREA GRANULATION PROCESS WITH SCRUBBING SYSTEM |
摘要 |
Urea granulation process with scrubbing system including at least one gaseous waste stream for removal of dust and ammonia whereby this waste stream is processed through a combination of the following process steps comprising (a) washing the dust and ammonia laden stream (4) with water and/or an aqueous urea solution whereby a dust- laden liquid stream (26) and a dust- reduced stream (5) is generated ,and (b) reacting the dust -reduced stream (5) with formaldeyhde (7) to form a stream (8) comprising hexamethylenetetramine and urea- formaldehyde and clean off -gas (6) wherein the gas stream is directed first through process step (a) and then through process step (b). |
申请公布号 |
IN10096DEN2014(A) |
申请公布日期 |
2015.08.21 |
申请号 |
IN2014DELNP10096 |
申请日期 |
2014.11.27 |
申请人 |
UHDE FERTILIZER TECHNOLOGY B.V. |
发明人 |
POTTHOFF ,MATTHIAS;FRANZRAHE, HARALD;VANMARCKE, LUC ,ALBERT |
分类号 |
C05C9/00;B01J2/00;C07C273/16 |
主分类号 |
C05C9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|