IN158998B - - Google Patents
Info
- Publication number
- IN158998B IN158998B IN944/DEL/82A IN944DE1982A IN158998B IN 158998 B IN158998 B IN 158998B IN 944DE1982 A IN944DE1982 A IN 944DE1982A IN 158998 B IN158998 B IN 158998B
- Authority
- IN
- India
- Prior art keywords
- washing solution
- formaline
- formaldehyde
- order
- aqueous washing
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 8
- 238000005406 washing Methods 0.000 abstract 4
- 239000007789 gas Substances 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000001139 pH measurement Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/10—Venturi scrubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO820030A NO150667C (no) | 1982-01-07 | 1982-01-07 | Fremgangsmaate for rensing av gassblandinger fra ureaproduksjonsanlegg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN158998B true IN158998B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-03-07 |
Family
ID=19886388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN944/DEL/82A IN158998B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-01-07 | 1982-12-30 |
Country Status (8)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1249057B (it) * | 1991-05-22 | 1995-02-11 | Agrimont Spa | Processo per abbattere con un liquido l'ammoniaca contenuta in uno sfiato. |
| DK70693D0 (da) * | 1993-06-14 | 1993-06-14 | Niels Ole Vesterager | Fremgangsmaade til fjernelse af uoenskede stoffer i en gasart |
| FR2740355B1 (fr) * | 1995-10-27 | 1998-01-16 | Cos Ingenierie | Procede de depollution ammoniacale d'effluents liquides ou gazeux |
| TW201032887A (en) * | 2009-01-13 | 2010-09-16 | Saipem Spa | Process for the recovery of ammonia from a gaseous stream |
| EP2662349A1 (en) * | 2012-05-08 | 2013-11-13 | Uhde Fertilizer Technology B.V. | Urea granulation process with scrubbing system |
| EA030594B1 (ru) | 2013-07-05 | 2018-08-31 | Стамикарбон Б.В. | Удаление пыли при доводке карбамида |
| EA032709B1 (ru) | 2013-11-15 | 2019-07-31 | Стамикарбон Б.В. | Устройство и способ для улавливания твердых частиц из потоков газа и способ удаления растворимых твердых частиц из газа |
| EA034961B1 (ru) | 2014-12-19 | 2020-04-10 | Стамикарбон Б.В. | Удаление пыли при доводке карбамида |
| US10730002B2 (en) | 2016-05-09 | 2020-08-04 | Stamicarbon B.V. | Submicron particle removal from gas streams |
| LT3652152T (lt) | 2017-07-14 | 2022-01-10 | Stamicarbon B.V. | Karbamido išbaigimo ir išmetamųjų dujų valymo įranga ir būdas |
| CN107185332A (zh) * | 2017-07-19 | 2017-09-22 | 郑金风 | 一种新型高效尿素回收洗涤塔 |
| CN107854945A (zh) * | 2017-12-05 | 2018-03-30 | 中国华电科工集团有限公司 | 一种烟气净化系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE802457C (de) * | 1947-07-30 | 1951-02-12 | Basf Ag | Verfahren zur Herstellung von Hexamethylentetramin |
| US2977386A (en) * | 1955-04-08 | 1961-03-28 | Allied Chem | Absorption of formaldehyde in alkaline urea solution |
| DE1128849B (de) * | 1959-09-14 | 1962-05-03 | Ici Ltd | Verfahren zur Herstellung von feinkoernigem Harnstoff |
| SU504546A1 (ru) * | 1973-11-14 | 1976-02-28 | Способ автоматического управлени процессом абсорбции | |
| IT1004432B (it) * | 1974-03-28 | 1976-07-10 | Snam Progetti | Procedimento per il recupero di pol veri ottenute da apparecchiature per il trattamento di materiali li quidi o solidi |
| GB1493612A (en) * | 1974-07-06 | 1977-11-30 | Fisons Ltd | Prilling |
| JPS5318466A (en) * | 1976-08-05 | 1978-02-20 | Mitsubishi Heavy Ind Ltd | Charging method for oxygen-containing hydrocarbons and/or their precursors into exhaust gas |
| US4104041A (en) * | 1976-12-08 | 1978-08-01 | Chiyoda Chemical Engineering & Construction Co., Ltd. | Apparatus and method for treating waste gas from urea prilling tower |
| JPS5378974A (en) * | 1976-12-22 | 1978-07-12 | Kouriyuu Kougiyou Kk | Method of collecting dusts generated in sintering plant |
-
1982
- 1982-01-07 NO NO820030A patent/NO150667C/no unknown
- 1982-12-22 US US06/452,045 patent/US4507129A/en not_active Expired - Fee Related
- 1982-12-23 AT AT82111944T patent/ATE18202T1/de not_active IP Right Cessation
- 1982-12-23 EP EP82111944A patent/EP0084669B1/en not_active Expired
- 1982-12-23 DE DE8282111944T patent/DE3269530D1/de not_active Expired
- 1982-12-24 CA CA000418638A patent/CA1192381A/en not_active Expired
- 1982-12-30 IN IN944/DEL/82A patent/IN158998B/en unknown
-
1983
- 1983-01-05 BR BR8300031A patent/BR8300031A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3269530D1 (en) | 1986-04-03 |
| BR8300031A (pt) | 1983-09-13 |
| NO150667C (no) | 1984-11-28 |
| ATE18202T1 (de) | 1986-03-15 |
| US4507129A (en) | 1985-03-26 |
| NO820030L (no) | 1983-07-08 |
| NO150667B (no) | 1984-08-20 |
| EP0084669B1 (en) | 1986-02-26 |
| CA1192381A (en) | 1985-08-27 |
| EP0084669A1 (en) | 1983-08-03 |
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