CA2872529A1 - Urea granulation process with scrubbing system - Google Patents
Urea granulation process with scrubbing system Download PDFInfo
- Publication number
- CA2872529A1 CA2872529A1 CA2872529A CA2872529A CA2872529A1 CA 2872529 A1 CA2872529 A1 CA 2872529A1 CA 2872529 A CA2872529 A CA 2872529A CA 2872529 A CA2872529 A CA 2872529A CA 2872529 A1 CA2872529 A1 CA 2872529A1
- Authority
- CA
- Canada
- 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.)
- Abandoned
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 203
- 239000004202 carbamide Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 98
- 230000008569 process Effects 0.000 title claims abstract description 70
- 238000005469 granulation Methods 0.000 title claims abstract description 51
- 230000003179 granulation Effects 0.000 title claims abstract description 51
- 238000005201 scrubbing Methods 0.000 title claims abstract description 47
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 192
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 88
- 239000000428 dust Substances 0.000 claims abstract description 66
- 239000007789 gas Substances 0.000 claims abstract description 39
- 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 19
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 239000010795 gaseous waste Substances 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 122
- 150000003863 ammonium salts Chemical class 0.000 claims description 44
- 239000002253 acid Substances 0.000 claims description 39
- 239000000243 solution Substances 0.000 claims description 31
- 238000001704 evaporation Methods 0.000 claims description 26
- 230000008020 evaporation Effects 0.000 claims description 26
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000001117 sulphuric acid Substances 0.000 claims description 8
- 235000011149 sulphuric acid Nutrition 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 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
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 6
- 239000012266 salt solution Substances 0.000 claims description 5
- 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
- 238000010306 acid treatment Methods 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
- 239000007791 liquid phase Substances 0.000 claims description 3
- 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
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 31
- 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
- 230000015572 biosynthetic process Effects 0.000 description 10
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 9
- 239000001166 ammonium sulphate Substances 0.000 description 9
- 235000011130 ammonium sulphate Nutrition 0.000 description 9
- 239000008187 granular material Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- 239000012467 final product Substances 0.000 description 5
- IWLBIFVMPLUHLK-UHFFFAOYSA-N azane;formaldehyde Chemical compound N.O=C IWLBIFVMPLUHLK-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 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
- 230000009467 reduction Effects 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
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000013681 dietary sucrose Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- AEUQKNYPEPUVMT-UHFFFAOYSA-N formaldehyde Chemical compound O=C.O=C.O=C AEUQKNYPEPUVMT-UHFFFAOYSA-N 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 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
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
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
- 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
- B01D53/46—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
- 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)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (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 |
|---|---|---|---|
| EP12003585.2 | 2012-05-08 | ||
| EP12003585.2A EP2662349A1 (en) | 2012-05-08 | 2012-05-08 | Urea granulation process with scrubbing system |
| PCT/EP2013/001292 WO2013167245A1 (en) | 2012-05-08 | 2013-05-02 | Urea granulation process with scrubbing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2872529A1 true CA2872529A1 (en) | 2013-11-14 |
Family
ID=48470891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2872529A Abandoned CA2872529A1 (en) | 2012-05-08 | 2013-05-02 | Urea granulation process with scrubbing system |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US9493407B2 (enExample) |
| EP (2) | EP2662349A1 (enExample) |
| JP (1) | JP2015522503A (enExample) |
| KR (1) | KR20150030198A (enExample) |
| CN (2) | CN107459372A (enExample) |
| AR (1) | AR090974A1 (enExample) |
| BR (1) | BR112014027819A2 (enExample) |
| CA (1) | CA2872529A1 (enExample) |
| IN (1) | IN2014DN10096A (enExample) |
| MY (1) | MY171086A (enExample) |
| RU (1) | RU2615811C2 (enExample) |
| WO (1) | WO2013167245A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016012925A1 (en) * | 2014-07-20 | 2016-01-28 | 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 |
| JPWO2016159336A1 (ja) * | 2015-04-01 | 2018-02-01 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
| CA3034342A1 (en) * | 2016-10-13 | 2018-04-19 | Koch Agronomic Services, Llc | Recovery and reuse of components from urea finishing waste streams |
| CN110325289B (zh) | 2016-12-28 | 2022-04-08 | 沙特基础工业全球技术公司 | 从吹扫气流中回收溶剂 |
| 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 |
| JP7277672B2 (ja) | 2019-12-30 | 2023-05-19 | スタミカーボン・ベー・フェー | 尿素仕上げからのアンモニア除去 |
| AU2020416567B2 (en) * | 2019-12-30 | 2023-06-15 | Stamicarbon B.V. | Urea production with multiple evaporators |
| JP7296015B2 (ja) * | 2019-12-30 | 2023-06-21 | スタミカーボン・ベー・フェー | 冷却凝縮部を備えた尿素プラント |
| EP3848341B1 (de) * | 2020-01-08 | 2024-03-06 | thyssenkrupp Fertilizer Technology GmbH | Verfahren und vorrichtung zur herstellung eines düngemittels |
| 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 |
| CN117120414B (zh) * | 2021-04-07 | 2026-02-27 | 卡萨乐有限公司 | 尿素生产工艺和设备 |
| 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 |
| WO2023161236A1 (en) * | 2022-02-22 | 2023-08-31 | Tessenderlo Group Nv | Methods for the production of a solid urea-thiosulfate fertilizer |
| WO2023161232A1 (en) * | 2022-02-22 | 2023-08-31 | Tessenderlo Group Nv | Methods for the production of nitrogen fertilizer and nitrogen-sulfur 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 |
| ES2119071T3 (es) | 1994-11-18 | 1998-10-01 | Norsk Hydro As | Procedimiento para preparar urea. |
| 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 |
| ES2391400T3 (es) * | 2005-03-02 | 2012-11-26 | Yara International Asa | Reactor tubular e instalación para la fabricación de especialmente sulfato amónico-urea |
| 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 |
| BRPI1009270A2 (pt) | 2009-03-17 | 2016-05-03 | Bioecon Int Holding Nv | processo para converter um material contendo polissacarídeo a um aditivo de combustível ou a um material substituto de combustível, e, uso de açúcares dianidro derivados |
-
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 WO PCT/EP2013/001292 patent/WO2013167245A1/en not_active Ceased
- 2013-05-02 EP EP13724160.0A patent/EP2847144B1/en not_active Revoked
- 2013-05-02 CA CA2872529A patent/CA2872529A1/en not_active Abandoned
- 2013-05-02 IN IN10096DEN2014 patent/IN2014DN10096A/en unknown
- 2013-05-02 BR BR112014027819A patent/BR112014027819A2/pt not_active Application Discontinuation
- 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 US US14/399,473 patent/US9493407B2/en not_active Expired - Fee Related
- 2013-05-02 MY MYPI2014003101A patent/MY171086A/en unknown
- 2013-05-02 JP JP2015510673A patent/JP2015522503A/ja active Pending
- 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 |
|---|---|
| AR090974A1 (es) | 2014-12-17 |
| US9493407B2 (en) | 2016-11-15 |
| US20150133689A1 (en) | 2015-05-14 |
| JP2015522503A (ja) | 2015-08-06 |
| BR112014027819A2 (pt) | 2017-06-27 |
| CN107459372A (zh) | 2017-12-12 |
| IN2014DN10096A (enExample) | 2015-08-21 |
| CN104321292B (zh) | 2017-12-05 |
| EP2847144B1 (en) | 2018-04-04 |
| EP2662349A1 (en) | 2013-11-13 |
| CN104321292A (zh) | 2015-01-28 |
| US9745256B2 (en) | 2017-08-29 |
| US20160376230A1 (en) | 2016-12-29 |
| KR20150030198A (ko) | 2015-03-19 |
| WO2013167245A1 (en) | 2013-11-14 |
| RU2014146274A (ru) | 2016-06-27 |
| EP2847144A1 (en) | 2015-03-18 |
| HK1201515A1 (en) | 2015-09-04 |
| RU2615811C2 (ru) | 2017-04-11 |
| MY171086A (en) | 2019-09-24 |
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| EEER | Examination request |
Effective date: 20180313 |
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| FZDE | Discontinued |
Effective date: 20200903 |