KR20150030198A - 스크러빙 시스템을 이용한 우레아 과립화 방법 - Google Patents
스크러빙 시스템을 이용한 우레아 과립화 방법 Download PDFInfo
- Publication number
- KR20150030198A KR20150030198A KR1020147034352A KR20147034352A KR20150030198A KR 20150030198 A KR20150030198 A KR 20150030198A KR 1020147034352 A KR1020147034352 A KR 1020147034352A KR 20147034352 A KR20147034352 A KR 20147034352A KR 20150030198 A KR20150030198 A KR 20150030198A
- Authority
- KR
- South Korea
- Prior art keywords
- stream
- ammonia
- dust
- urea
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000000034 method Methods 0.000 title claims abstract description 111
- 239000004202 carbamide Substances 0.000 title claims abstract description 103
- 238000005201 scrubbing Methods 0.000 title claims abstract description 45
- 238000005469 granulation Methods 0.000 title claims abstract description 42
- 230000003179 granulation Effects 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title claims description 42
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 171
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 109
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 86
- 239000000428 dust Substances 0.000 claims abstract description 73
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 18
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 18
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 11
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 43
- 239000002253 acid Substances 0.000 claims description 39
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 238000010306 acid treatment Methods 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000007789 gas Substances 0.000 description 35
- 239000000243 solution Substances 0.000 description 27
- 239000000047 product Substances 0.000 description 12
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 239000008187 granular material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 8
- 235000011130 ammonium sulphate Nutrition 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- IWLBIFVMPLUHLK-UHFFFAOYSA-N azane;formaldehyde Chemical compound N.O=C IWLBIFVMPLUHLK-UHFFFAOYSA-N 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000001166 ammonium sulphate Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000008098 formaldehyde solution Substances 0.000 description 2
- 230000008570 general process Effects 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 235000013681 dietary sucrose Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009477 fluid bed granulation Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229960004793 sucrose Drugs 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/73—After-treatment of removed components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
-
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Fertilizers (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12003585.2A EP2662349A1 (en) | 2012-05-08 | 2012-05-08 | Urea granulation process with scrubbing system |
| EP12003585.2 | 2012-05-08 | ||
| PCT/EP2013/001292 WO2013167245A1 (en) | 2012-05-08 | 2013-05-02 | Urea granulation process with scrubbing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20150030198A true KR20150030198A (ko) | 2015-03-19 |
Family
ID=48470891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147034352A Ceased KR20150030198A (ko) | 2012-05-08 | 2013-05-02 | 스크러빙 시스템을 이용한 우레아 과립화 방법 |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US9493407B2 (https=) |
| EP (2) | EP2662349A1 (https=) |
| JP (1) | JP2015522503A (https=) |
| KR (1) | KR20150030198A (https=) |
| CN (2) | CN107459372A (https=) |
| AR (1) | AR090974A1 (https=) |
| BR (1) | BR112014027819A2 (https=) |
| CA (1) | CA2872529A1 (https=) |
| IN (1) | IN2014DN10096A (https=) |
| MY (1) | MY171086A (https=) |
| RU (1) | RU2615811C2 (https=) |
| WO (1) | WO2013167245A1 (https=) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10330654B2 (en) | 2014-07-20 | 2019-06-25 | Sabic Global Technologies B.V. | Methods for determining low sulfate concentrations in synthetic urea samples, produced in a manufacturing process and containing high levels of impurities |
| EP3020702A1 (en) * | 2014-11-12 | 2016-05-18 | Casale SA | Urea finishing process with acid scrubbing |
| KR101577573B1 (ko) | 2014-11-27 | 2015-12-15 | 휴켐스주식회사 | 질산암모늄 제조 공정용 스크러버 시스템 |
| US10519103B2 (en) * | 2015-04-01 | 2019-12-31 | Toyo Engineering Corporation | Urea production method |
| WO2018069870A1 (en) * | 2016-10-13 | 2018-04-19 | Koch Agronomic Services, Llc | Recovery and reuse of components from urea finishing waste streams |
| ES3028584T3 (en) * | 2016-12-28 | 2025-06-19 | Sabic Agri Nutrients Company | Solvent recovery from sweep gas streams obtained from a fertilzer coating process |
| EP3366670A1 (en) * | 2017-02-27 | 2018-08-29 | Casale Sa | A process and system to capture ammonia from a purge gas of a urea plant |
| JP6851869B2 (ja) * | 2017-03-17 | 2021-03-31 | 東洋エンジニアリング株式会社 | 尿素の造粒方法 |
| CN107715676A (zh) * | 2017-10-10 | 2018-02-23 | 鲁西化工集团股份有限公司煤化工分公司 | 一种降低尿素造粒塔尾气氨含量的生产工艺 |
| CN111111407A (zh) * | 2019-12-16 | 2020-05-08 | 安徽德利来环保科技有限公司 | 一种车用尿素溶液的生产工艺 |
| US11420937B2 (en) * | 2019-12-30 | 2022-08-23 | Stamicarbon B.V. | Urea plant with chilled condensation section |
| WO2021137700A1 (en) | 2019-12-30 | 2021-07-08 | Stamicarbon B.V. | Ammonia removal from urea finishing |
| US11332437B2 (en) * | 2019-12-30 | 2022-05-17 | Stamicarbon B.V. | Urea production with multiple evaporators |
| PL3848341T3 (pl) * | 2020-01-08 | 2024-06-24 | Thyssenkrupp Fertilizer Technology Gmbh | Sposób i urządzenie do wytwarzania nawozu |
| CN111318042A (zh) * | 2020-03-03 | 2020-06-23 | 中海石油华鹤煤化有限公司 | 一种生产改性尿素的装置系统及方法 |
| US12103905B2 (en) * | 2021-04-07 | 2024-10-01 | Casale Sa | Urea production process and plant |
| CN113101682B (zh) * | 2021-05-28 | 2023-03-24 | 新疆心连心能源化工有限公司 | 减少蒸发掉缩合物稳定尿素生产的装置及处理方法 |
| WO2023161232A1 (en) * | 2022-02-22 | 2023-08-31 | Tessenderlo Group Nv | Methods for the production of nitrogen fertilizer and nitrogen-sulfur fertilizer |
| AU2023225099A1 (en) * | 2022-02-22 | 2024-08-29 | Tessenderlo Group Nv | Methods for the production of a solid urea-thiosulfate fertilizer |
| WO2025244534A1 (en) * | 2024-05-23 | 2025-11-27 | Stamicarbon B.V. | Technical grade urea granulate |
| WO2026037775A1 (en) | 2024-08-14 | 2026-02-19 | Casale Sa | Urea granulation process and method of revamping |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1041484A (en) * | 1974-12-20 | 1978-10-31 | Silvio Vargiu | Process for the preparation of urea-formaldehyde condensates to be used as fertilizers |
| US4370198A (en) | 1980-03-13 | 1983-01-25 | Mta Muszaki Kemiai Kutato Intezet | Method and apparatus for the recovery of the solid material content of solutions and/or suspensions as granules in a gas fluidized bed |
| NO150667C (no) * | 1982-01-07 | 1984-11-28 | Norsk Hydro As | Fremgangsmaate for rensing av gassblandinger fra ureaproduksjonsanlegg |
| DE69412100T2 (de) * | 1994-11-18 | 1999-04-01 | Norsk Hydro A/S, Oslo | Verfahren zur Herstellung von Harnstoff |
| NL1002862C2 (nl) | 1996-04-15 | 1997-10-17 | Dsm Nv | Werkwijze voor het bereiden van granules. |
| JPH09313860A (ja) | 1996-05-27 | 1997-12-09 | Shigeru Saito | 湿式同時除害、除塵ガス処理装置及び方法 |
| JP2000001466A (ja) * | 1998-06-12 | 2000-01-07 | Toyo Eng Corp | 排ガス中の尿素ダスト及びアンモニアの回収・利用方法 |
| JP2000279736A (ja) | 1999-03-29 | 2000-10-10 | Toyo Eng Corp | 尿素ダスト及びアンモニアを含有する流体の処理装置、それを用いた処理方法及びそれを付設した尿素製造装置 |
| NL1020665C2 (nl) | 2002-05-23 | 2003-11-25 | Dsm Nv | Werkwijze voor het verwijderen van ammoniak uit een ammoniak-bevattende gasstroom. |
| DE10346519A1 (de) * | 2003-10-02 | 2005-05-04 | Uhde Gmbh | Verfahren zur Entfernung von Ammoniak und Staub aus einem Abgas, das bei der Herstellung von Düngemitteln anfällt |
| CA2598815C (en) * | 2005-03-02 | 2012-06-05 | Yara International Asa | Pipe reactor and plant for manufacturing of especially urea ammonium sulphate |
| ITMI20072206A1 (it) * | 2007-11-21 | 2009-05-22 | Snam Progetti | Metodo per il recupero di ammoniaca da una corrente gassosa in un processo di sintesi di urea |
| EP2119489A1 (en) * | 2008-05-14 | 2009-11-18 | Uhde Fertilizer Technology B.V. | Method for reducing aerosol emissions in a urea granulation plant |
| EP2192099A1 (en) * | 2008-11-28 | 2010-06-02 | Uhde Fertilizer Technology B.V. | Urea granulation process with an acidic scrubbing system and the subsequent integration of ammonium salt into urea granules |
| TW201032887A (en) | 2009-01-13 | 2010-09-16 | Saipem Spa | Process for the recovery of ammonia from a gaseous stream |
| WO2010106053A2 (en) | 2009-03-17 | 2010-09-23 | Bioecon International Holding N.V. | Process for converting polysaccharides in an inorganic molten salt hydrate |
-
2012
- 2012-05-08 EP EP12003585.2A patent/EP2662349A1/en not_active Withdrawn
-
2013
- 2013-05-02 CN CN201710685089.3A patent/CN107459372A/zh active Pending
- 2013-05-02 CA CA2872529A patent/CA2872529A1/en not_active Abandoned
- 2013-05-02 JP JP2015510673A patent/JP2015522503A/ja active Pending
- 2013-05-02 BR BR112014027819A patent/BR112014027819A2/pt not_active Application Discontinuation
- 2013-05-02 IN IN10096DEN2014 patent/IN2014DN10096A/en unknown
- 2013-05-02 US US14/399,473 patent/US9493407B2/en not_active Expired - Fee Related
- 2013-05-02 EP EP13724160.0A patent/EP2847144B1/en not_active Revoked
- 2013-05-02 MY MYPI2014003101A patent/MY171086A/en unknown
- 2013-05-02 WO PCT/EP2013/001292 patent/WO2013167245A1/en not_active Ceased
- 2013-05-02 RU RU2014146274A patent/RU2615811C2/ru active
- 2013-05-02 CN CN201380024430.0A patent/CN104321292B/zh not_active Expired - Fee Related
- 2013-05-02 KR KR1020147034352A patent/KR20150030198A/ko not_active Ceased
- 2013-05-07 AR ARP130101568A patent/AR090974A1/es active IP Right Grant
-
2016
- 2016-09-08 US US15/260,018 patent/US9745256B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015522503A (ja) | 2015-08-06 |
| CN104321292A (zh) | 2015-01-28 |
| CN107459372A (zh) | 2017-12-12 |
| WO2013167245A1 (en) | 2013-11-14 |
| EP2847144B1 (en) | 2018-04-04 |
| BR112014027819A2 (pt) | 2017-06-27 |
| CN104321292B (zh) | 2017-12-05 |
| US20160376230A1 (en) | 2016-12-29 |
| AR090974A1 (es) | 2014-12-17 |
| HK1201515A1 (en) | 2015-09-04 |
| US9745256B2 (en) | 2017-08-29 |
| MY171086A (en) | 2019-09-24 |
| CA2872529A1 (en) | 2013-11-14 |
| RU2615811C2 (ru) | 2017-04-11 |
| US20150133689A1 (en) | 2015-05-14 |
| EP2662349A1 (en) | 2013-11-13 |
| US9493407B2 (en) | 2016-11-15 |
| EP2847144A1 (en) | 2015-03-18 |
| IN2014DN10096A (https=) | 2015-08-21 |
| RU2014146274A (ru) | 2016-06-27 |
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