CS216802B2 - Method of regeneration of the urea dust - Google Patents
Method of regeneration of the urea dust Download PDFInfo
- Publication number
- CS216802B2 CS216802B2 CS752154A CS215475A CS216802B2 CS 216802 B2 CS216802 B2 CS 216802B2 CS 752154 A CS752154 A CS 752154A CS 215475 A CS215475 A CS 215475A CS 216802 B2 CS216802 B2 CS 216802B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- urea
- air
- ejector
- dust
- water
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000004202 carbamide Substances 0.000 title claims abstract description 43
- 239000000428 dust Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title description 10
- 230000008929 regeneration Effects 0.000 title description 2
- 238000011069 regeneration method Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000000843 powder Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 24
- 239000000203 mixture Substances 0.000 description 10
- 238000005469 granulation Methods 0.000 description 9
- 230000003179 granulation Effects 0.000 description 9
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- ZJHHPAUQMCHPRB-UHFFFAOYSA-N urea urea Chemical compound NC(N)=O.NC(N)=O ZJHHPAUQMCHPRB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Separation Of Particles Using Liquids (AREA)
- Glanulating (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT49834/74A IT1004432B (it) | 1974-03-28 | 1974-03-28 | Procedimento per il recupero di pol veri ottenute da apparecchiature per il trattamento di materiali li quidi o solidi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS216802B2 true CS216802B2 (en) | 1982-11-26 |
Family
ID=11271669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS752154A CS216802B2 (en) | 1974-03-28 | 1975-03-28 | Method of regeneration of the urea dust |
Country Status (32)
| Country | Link |
|---|---|
| US (1) | US4217114A (en, 2012) |
| JP (1) | JPS5939167B2 (en, 2012) |
| AR (1) | AR205269A1 (en, 2012) |
| AT (1) | AT336050B (en, 2012) |
| BE (1) | BE827260A (en, 2012) |
| BR (1) | BR7501733A (en, 2012) |
| CA (1) | CA1060635A (en, 2012) |
| CH (1) | CH603227A5 (en, 2012) |
| CS (1) | CS216802B2 (en, 2012) |
| DD (1) | DD117185A5 (en, 2012) |
| DE (1) | DE2513925C3 (en, 2012) |
| DK (1) | DK146022C (en, 2012) |
| ES (1) | ES436471A1 (en, 2012) |
| FR (1) | FR2265441B1 (en, 2012) |
| GB (1) | GB1471126A (en, 2012) |
| HU (1) | HU173271B (en, 2012) |
| IE (1) | IE40832B1 (en, 2012) |
| IN (1) | IN143881B (en, 2012) |
| IT (1) | IT1004432B (en, 2012) |
| LU (1) | LU72126A1 (en, 2012) |
| MW (1) | MW1375A1 (en, 2012) |
| MY (1) | MY7800058A (en, 2012) |
| NL (1) | NL7503652A (en, 2012) |
| NO (1) | NO142382C (en, 2012) |
| PH (1) | PH11255A (en, 2012) |
| PL (1) | PL101550B1 (en, 2012) |
| RO (1) | RO64290A (en, 2012) |
| SE (1) | SE407339B (en, 2012) |
| TR (1) | TR18605A (en, 2012) |
| YU (1) | YU39025B (en, 2012) |
| ZA (1) | ZA751535B (en, 2012) |
| ZM (1) | ZM3575A1 (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO150667C (no) * | 1982-01-07 | 1984-11-28 | Norsk Hydro As | Fremgangsmaate for rensing av gassblandinger fra ureaproduksjonsanlegg |
| US4424072A (en) * | 1982-07-01 | 1984-01-03 | Lerner Bernard J | Prilling |
| WO2015002535A1 (en) | 2013-07-05 | 2015-01-08 | Stamicarbon B.V. | Removal of dust in urea finishing |
| CA2930649C (en) * | 2013-11-15 | 2021-11-02 | Stamicarbon B.V. | An apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas |
| US10730002B2 (en) * | 2016-05-09 | 2020-08-04 | Stamicarbon B.V. | Submicron particle removal from gas streams |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2127571A (en) * | 1935-08-21 | 1938-08-23 | Du Pont | Absorption of hydrochloric acid in liquids |
| US3038285A (en) * | 1960-03-18 | 1962-06-12 | Chemical Construction Corp | Method for compressing urea synthesis off-gas |
| US3130225A (en) * | 1962-02-12 | 1964-04-21 | Pullman Inc | Urea production |
| CH431576A (de) * | 1964-01-07 | 1967-03-15 | Inventa Ag | Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln |
| US3767174A (en) * | 1968-07-30 | 1973-10-23 | Fuller Co | Gas scrubber, entrainment separator and combination thereof |
| NL7401406A (nl) * | 1974-02-01 | 1975-08-05 | Stamicarbon | Werkwijze en inrichting voor het bereiden van s. |
-
1974
- 1974-03-28 IT IT49834/74A patent/IT1004432B/it active
-
1975
- 1975-01-01 AR AR258079A patent/AR205269A1/es active
- 1975-03-12 ZA ZA00751535A patent/ZA751535B/xx unknown
- 1975-03-18 IE IE572/75A patent/IE40832B1/xx unknown
- 1975-03-20 YU YU00700/75A patent/YU39025B/xx unknown
- 1975-03-20 MW MW13/75A patent/MW1375A1/xx unknown
- 1975-03-20 DK DK116275A patent/DK146022C/da not_active IP Right Cessation
- 1975-03-21 GB GB1204275A patent/GB1471126A/en not_active Expired
- 1975-03-21 BR BR1733/75A patent/BR7501733A/pt unknown
- 1975-03-24 NO NO751003A patent/NO142382C/no unknown
- 1975-03-25 TR TR18605A patent/TR18605A/xx unknown
- 1975-03-25 FR FR7509332A patent/FR2265441B1/fr not_active Expired
- 1975-03-25 LU LU72126A patent/LU72126A1/xx unknown
- 1975-03-26 DD DD185038A patent/DD117185A5/xx unknown
- 1975-03-26 PH PH16974A patent/PH11255A/en unknown
- 1975-03-26 ZM ZM35/75A patent/ZM3575A1/xx unknown
- 1975-03-26 PL PL1975179038A patent/PL101550B1/pl unknown
- 1975-03-26 CA CA223,366A patent/CA1060635A/en not_active Expired
- 1975-03-26 NL NL7503652A patent/NL7503652A/xx not_active Application Discontinuation
- 1975-03-26 CH CH390575A patent/CH603227A5/xx not_active IP Right Cessation
- 1975-03-26 ES ES436471A patent/ES436471A1/es not_active Expired
- 1975-03-27 BE BE154834A patent/BE827260A/xx not_active IP Right Cessation
- 1975-03-27 DE DE2513925A patent/DE2513925C3/de not_active Expired
- 1975-03-27 SE SE7503643A patent/SE407339B/xx not_active IP Right Cessation
- 1975-03-27 AT AT236375A patent/AT336050B/de not_active IP Right Cessation
- 1975-03-27 HU HU75SA2771A patent/HU173271B/hu unknown
- 1975-03-27 US US05/562,798 patent/US4217114A/en not_active Expired - Lifetime
- 1975-03-28 JP JP50037009A patent/JPS5939167B2/ja not_active Expired
- 1975-03-28 RO RO7500081821A patent/RO64290A/ro unknown
- 1975-03-28 CS CS752154A patent/CS216802B2/cs unknown
- 1975-03-29 IN IN628/CAL/75A patent/IN143881B/en unknown
-
1978
- 1978-12-30 MY MY58/78A patent/MY7800058A/xx unknown
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