AT447435T

Method for removing ammonia and dust from a waste gas that results during the production of urea

Abstract

When the invention relates to a preparation of out, wherein urea the exhaust gas for producing removing method of ammonia and dust, wherein the exhaust gas of the method equipped with first washing (1) neutral cooling gas (7) are equipped with the second washing (2) neutral (8,9) importing makeup water to washing neutral solution storing smooth to the washing, not only of the exhaust gas moreover cooling gas of the back washing connected by at least liquid drop separator (4,5), wherein the method of developed to, further enables the waste gas burden to be significantly is reduced. The through achieves to, namely makeup water first smooth to the upper side and at least two liquid drop separator is provided and solution storing of the fine washing of producing equipped with an baffle plate (12) limiting the cleaning region (14) neutral spraying of the the first washing liquid energy flow without cross through the liquid drop separator and lower afterward to the second washing of.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

19 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
10346519GermanyA
2004009886European Patent Office (EPO)W

Members19

Family members, oldest first
DocumentOfficeKind
CA2540645A1CanadaA1
WO2005032696A1World Intellectual Property Organization (WIPO)A1
DE10346519A1GermanyA1
EP1663455A1European Patent Office (EPO)A1
CN1859964AChinaA
US2007039469A1United States of AmericaA1
JP2007507333AJapanA
HK1096327AHong Kong, ChinaA
RU2006114751ARussian FederationA
CN100434143CChinaC
RU2345823C2Russian FederationC2
EP1663455B1European Patent Office (EPO)B1
AT447435TThis recordAustriaT
ATE447435T1AustriaT1
DE502004010324D1GermanyD1
ES2333723T3SpainT3
US7682425B2United States of AmericaB2
JP4589927B2JapanB2
CA2540645CCanadaC