JPS59133451A - Ｎｈ↓３及びｃｏ↓２水溶液の組成の測定法及び制御法 - Google Patents
Ｎｈ↓３及びｃｏ↓２水溶液の組成の測定法及び制御法Info
- Publication number
- JPS59133451A JPS59133451A JP58242342A JP24234283A JPS59133451A JP S59133451 A JPS59133451 A JP S59133451A JP 58242342 A JP58242342 A JP 58242342A JP 24234283 A JP24234283 A JP 24234283A JP S59133451 A JPS59133451 A JP S59133451A
- Authority
- JP
- Japan
- Prior art keywords
- solution
- composition
- aqueous solution
- ammonium
- saturation temperature
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 51
- 229910001868 water Inorganic materials 0.000 claims abstract description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001099 ammonium carbonate Substances 0.000 claims abstract description 14
- 235000012501 ammonium carbonate Nutrition 0.000 claims abstract description 14
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims abstract description 6
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 22
- 239000004202 carbamide Substances 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 238000003786 synthesis reaction Methods 0.000 claims description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 210000002700 urine Anatomy 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims 3
- 238000009825 accumulation Methods 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- ZJHHPAUQMCHPRB-UHFFFAOYSA-N urea urea Chemical compound NC(N)=O.NC(N)=O ZJHHPAUQMCHPRB-UHFFFAOYSA-N 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
- 229910021529 ammonia Inorganic materials 0.000 abstract 3
- 239000001569 carbon dioxide Substances 0.000 abstract 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 6
- 229920000877 Melamine resin Polymers 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
-
- 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
- C07C273/04—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 from carbon dioxide and ammonia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
- C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/10—Composition for standardization, calibration, simulation, stabilization, preparation or preservation; processes of use in preparation for chemical testing
- Y10T436/109163—Inorganic standards or controls
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/117497—Automated chemical analysis with a continuously flowing sample or carrier stream
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/173845—Amine and quaternary ammonium
- Y10T436/175383—Ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Carbon And Carbon Compounds (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8204979 | 1982-12-24 | ||
| NL8204979A NL8204979A (nl) | 1982-12-24 | 1982-12-24 | Werkwijze voor het bepalen en regelen van de samenstelling van waterige oplossingen van nh3 en co2. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59133451A true JPS59133451A (ja) | 1984-07-31 |
Family
ID=19840796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58242342A Pending JPS59133451A (ja) | 1982-12-24 | 1983-12-23 | Ｎｈ↓３及びｃｏ↓２水溶液の組成の測定法及び制御法 |
Country Status (11)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003521539A (ja) * | 2000-02-03 | 2003-07-15 | ディーエスエム エヌ．ブイ． | 尿素からメラミンを製造する方法 |
| EP1728783A1 (en) | 2005-05-31 | 2006-12-06 | Toyo Engineering Corporation | Method and apparatus for synthesizing urea |
| US8663995B2 (en) | 2009-05-28 | 2014-03-04 | Toyo Engineering Corporation | Method for analyzing aqueous ammonium carbamate solution, and method for operating unreacted gas absorber |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5191690A (en) * | 1989-02-22 | 1990-09-26 | Atochem North America, Inc. | Method for measuring low levels of ammonia in process gas streams |
| US5586447A (en) * | 1994-07-20 | 1996-12-24 | Gas Research Institute | Concentration control in an absorption chiller |
| US5724823A (en) * | 1996-10-10 | 1998-03-10 | Carrier Corporation | Absorption over-concentration control |
| NL1014280C2 (nl) * | 2000-02-03 | 2001-08-06 | Dsm Nv | Werkwijze voor de bereiding van melamine uit ureum. |
| NL1015929C2 (nl) * | 2000-08-14 | 2002-02-18 | Dsm Nv | Werkwijze voor de bereiding van melamine uit ureum. |
| NL1019913C2 (nl) * | 2002-02-07 | 2003-08-08 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| NL1026003C2 (nl) * | 2004-04-22 | 2005-10-25 | Dsm Ip Assets Bv | Werkwijze voor het bereiden van ureum uit kooldioxide en ammoniak in een ureumfabriek. |
| DE102012215635A1 (de) * | 2012-09-04 | 2014-03-06 | Robert Bosch Gmbh | Messelement sowie Verfahren zur Unterscheidung von verschiedenartigenFlüssigkeiten |
| EP3521273A1 (en) | 2018-02-05 | 2019-08-07 | YARA International ASA | A method and system for controlling an operation of a urea production process |
| EP4424666A1 (en) * | 2023-03-02 | 2024-09-04 | Casale Sa | Method for determining parameters of a stream of a urea synthesis process |
| CN118062857A (zh) * | 2024-03-06 | 2024-05-24 | 云南水富云天化有限公司 | 利用尿素装置停车废液生产稀氨水产品的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940440A (en) * | 1970-11-10 | 1976-02-24 | Ivo Mavrovic | Method of controlling urea system |
| NL7307036A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-05-21 | 1974-11-25 |
-
1982
- 1982-12-24 NL NL8204979A patent/NL8204979A/nl not_active Application Discontinuation
-
1983
- 1983-12-20 IN IN1552/CAL/83A patent/IN161337B/en unknown
- 1983-12-22 CA CA000444115A patent/CA1211297A/en not_active Expired
- 1983-12-22 EP EP83201834A patent/EP0114442B1/en not_active Expired
- 1983-12-22 DE DE8383201834T patent/DE3374028D1/de not_active Expired
- 1983-12-22 AT AT83201834T patent/ATE30192T1/de not_active IP Right Cessation
- 1983-12-23 ES ES528353A patent/ES8501882A1/es not_active Expired
- 1983-12-23 US US06/564,884 patent/US4572830A/en not_active Expired - Fee Related
- 1983-12-23 JP JP58242342A patent/JPS59133451A/ja active Pending
- 1983-12-23 YU YU02494/83A patent/YU249483A/xx unknown
- 1983-12-24 KR KR1019830006167A patent/KR870000495B1/ko not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003521539A (ja) * | 2000-02-03 | 2003-07-15 | ディーエスエム エヌ．ブイ． | 尿素からメラミンを製造する方法 |
| EP1728783A1 (en) | 2005-05-31 | 2006-12-06 | Toyo Engineering Corporation | Method and apparatus for synthesizing urea |
| JP2006335653A (ja) * | 2005-05-31 | 2006-12-14 | Toyo Eng Corp | 尿素合成方法および装置 |
| US7498464B2 (en) | 2005-05-31 | 2009-03-03 | Toyo Engineering Corporation | Method and apparatus for synthesizing urea |
| US8663995B2 (en) | 2009-05-28 | 2014-03-04 | Toyo Engineering Corporation | Method for analyzing aqueous ammonium carbamate solution, and method for operating unreacted gas absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| KR840007633A (ko) | 1984-12-08 |
| ES528353A0 (es) | 1984-12-01 |
| KR870000495B1 (ko) | 1987-03-12 |
| EP0114442A1 (en) | 1984-08-01 |
| YU249483A (en) | 1986-04-30 |
| CA1211297A (en) | 1986-09-16 |
| NL8204979A (nl) | 1984-07-16 |
| EP0114442B1 (en) | 1987-10-07 |
| IN161337B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-11-14 |
| DE3374028D1 (en) | 1987-11-12 |
| US4572830A (en) | 1986-02-25 |
| ES8501882A1 (es) | 1984-12-01 |
| ATE30192T1 (de) | 1987-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59133451A (ja) | Ｎｈ↓３及びｃｏ↓２水溶液の組成の測定法及び制御法 | |
| US20250115547A1 (en) | Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate | |
| CN109850922A (zh) | 一种小苏打脱硫灰资源化利用方法及装置 | |
| BRPI1008277B1 (pt) | composição de cloreto de sódio, processo para a preparação de uma composição de cloreto de sódio e uso de uma composição de cloreto de sódio não aglomerante | |
| NL1013394C2 (nl) | Werkwijze voor de bereiding van ureum. | |
| US20040197256A1 (en) | Sodium cyanide process | |
| NO311668B1 (no) | Fremgangsmåte ved utfelling av kalsiumkarbonat | |
| US3687620A (en) | Manufacture of ammonium sulfate from gypsum | |
| EA015407B1 (ru) | Способ переработки фосфогипса на сульфат аммония и карбонат кальция | |
| JPS59107248A (ja) | 溶液の飽和温度を測定する方法および装置 | |
| US3114681A (en) | Process of recovering unreacted ammonia from a urea synthesis melt by a two stage rectification operation | |
| Austin et al. | Precipitation of calcium sulfate from sea water at high temperatures | |
| JP2000034121A (ja) | 二水石膏の製造方法 | |
| JP2903358B2 (ja) | ２−アクリルアミド−２−メチルプロパンスルホン酸アルカリ水溶液の製造法 | |
| JPH0361518B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPS6157292A (ja) | 淡水の飲料水化方法 | |
| US1491672A (en) | Process for the conversion of synthetic ammonia into solid ammonium chloride in conjunction with the production of sodium carbonate | |
| US623893A (en) | Thomas fairley | |
| JP2563552B2 (ja) | アルフア型半水石膏の連続製造方法 | |
| JPS6157293A (ja) | 淡水の飲料水化方法 | |
| JPS5825080B2 (ja) | 繊維状硫酸カルシウムの製造法 | |
| JPS6162A (ja) | 尿素の製造方法 | |
| SU734143A1 (ru) | Способ регулировани процесса предварительной карбонизации аммонизированного рассола в производстве соды | |
| JPS61114792A (ja) | 淡水の飲料水化法 | |
| JPS6038336B2 (ja) | 粒状硫安の製造方法 |