CN107459372A - 具有洗涤系统的尿素造粒工艺 - Google Patents
具有洗涤系统的尿素造粒工艺 Download PDFInfo
- Publication number
- CN107459372A CN107459372A CN201710685089.3A CN201710685089A CN107459372A CN 107459372 A CN107459372 A CN 107459372A CN 201710685089 A CN201710685089 A CN 201710685089A CN 107459372 A CN107459372 A CN 107459372A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- dust
- stage
- washer
- urea
- 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.)
- Pending
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 193
- 239000004202 carbamide Substances 0.000 title claims abstract description 99
- 238000005406 washing Methods 0.000 title claims abstract description 32
- 235000013877 carbamide Nutrition 0.000 title abstract description 94
- 238000000034 method Methods 0.000 title abstract description 57
- 238000005469 granulation Methods 0.000 title abstract description 35
- 230000003179 granulation Effects 0.000 title abstract description 35
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 151
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 114
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 76
- 239000000428 dust Substances 0.000 claims abstract description 71
- 239000002912 waste gas Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims description 40
- 150000003863 ammonium salts Chemical class 0.000 claims description 40
- 238000001704 evaporation Methods 0.000 claims description 19
- 230000008020 evaporation Effects 0.000 claims description 19
- 239000012266 salt solution Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 30
- 238000005516 engineering process Methods 0.000 description 24
- 239000012071 phase Substances 0.000 description 21
- 239000000243 solution Substances 0.000 description 20
- 238000004140 cleaning Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 8
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 8
- 235000011130 ammonium sulphate Nutrition 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 229920001807 Urea-formaldehyde Polymers 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000005453 pelletization Methods 0.000 description 7
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002245 particle 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
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- IWLBIFVMPLUHLK-UHFFFAOYSA-N azane;formaldehyde Chemical compound N.O=C IWLBIFVMPLUHLK-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance 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
- 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
- 229930006000 Sucrose Natural products 0.000 description 1
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229960004011 methenamine Drugs 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005201 scrubbing 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
- 238000010025 steaming Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 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
- 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
- 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
-
- 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
- B01D53/73—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
-
- 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 |
| CN201380024430.0A CN104321292B (zh) | 2012-05-08 | 2013-05-02 | 具有洗涤系统的尿素造粒工艺 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380024430.0A Division CN104321292B (zh) | 2012-05-08 | 2013-05-02 | 具有洗涤系统的尿素造粒工艺 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107459372A true CN107459372A (zh) | 2017-12-12 |
Family
ID=48470891
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710685089.3A Pending CN107459372A (zh) | 2012-05-08 | 2013-05-02 | 具有洗涤系统的尿素造粒工艺 |
| CN201380024430.0A Expired - Fee Related CN104321292B (zh) | 2012-05-08 | 2013-05-02 | 具有洗涤系统的尿素造粒工艺 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380024430.0A Expired - Fee Related CN104321292B (zh) | 2012-05-08 | 2013-05-02 | 具有洗涤系统的尿素造粒工艺 |
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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190375649A1 (en) * | 2017-02-27 | 2019-12-12 | Casale Sa | A process and system to capture ammonia from a purge gas of a urea plant |
| 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 |
| CN114929651A (zh) * | 2020-01-08 | 2022-08-19 | 蒂森克虏伯肥料技术有限公司 | 用于生产肥料的方法 |
Families Citing this family (18)
| 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 |
| 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 |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132988A (zh) * | 2005-03-02 | 2008-02-27 | 亚拉国际有限公司 | 用于尤其制备尿素硫酸铵的管式反应器和设备 |
| CN102026704A (zh) * | 2008-05-14 | 2011-04-20 | 伍德肥料技术有限责任公司 | 减少尿素造粒设备中的悬浮微粒排放的方法 |
| CN102227392A (zh) * | 2008-11-28 | 2011-10-26 | 伍德肥料技术有限责任公司 | 使用酸洗涤系统的尿素成粒过程和氨盐到尿素颗粒中的相应集成 |
Family Cites Families (13)
| 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 |
| 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 |
| 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 |
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2012
- 2012-05-08 EP EP12003585.2A patent/EP2662349A1/en not_active Withdrawn
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2013
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- 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
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- 2016-09-08 US US15/260,018 patent/US9745256B2/en not_active Expired - Fee Related
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| CN101132988A (zh) * | 2005-03-02 | 2008-02-27 | 亚拉国际有限公司 | 用于尤其制备尿素硫酸铵的管式反应器和设备 |
| CN102026704A (zh) * | 2008-05-14 | 2011-04-20 | 伍德肥料技术有限责任公司 | 减少尿素造粒设备中的悬浮微粒排放的方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190375649A1 (en) * | 2017-02-27 | 2019-12-12 | Casale Sa | A process and system to capture ammonia from a purge gas of a urea plant |
| US10927012B2 (en) * | 2017-02-27 | 2021-02-23 | Casale Sa | Process and system to capture ammonia from a purge gas of a urea plant |
| CN114929651A (zh) * | 2020-01-08 | 2022-08-19 | 蒂森克虏伯肥料技术有限公司 | 用于生产肥料的方法 |
| CN114929651B (zh) * | 2020-01-08 | 2024-03-15 | 蒂森克虏伯肥料技术有限公司 | 用于生产肥料的方法 |
| 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 |
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 |
| IN2014DN10096A (enExample) | 2015-08-21 |
| CN104321292B (zh) | 2017-12-05 |
| EP2847144B1 (en) | 2018-04-04 |
| EP2662349A1 (en) | 2013-11-13 |
| CA2872529A1 (en) | 2013-11-14 |
| 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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