DE1445462A1 - Reinigung von rohem Melamin - Google Patents
Reinigung von rohem MelaminInfo
- Publication number
- DE1445462A1 DE1445462A1 DE19641445462 DE1445462A DE1445462A1 DE 1445462 A1 DE1445462 A1 DE 1445462A1 DE 19641445462 DE19641445462 DE 19641445462 DE 1445462 A DE1445462 A DE 1445462A DE 1445462 A1 DE1445462 A1 DE 1445462A1
- Authority
- DE
- Germany
- Prior art keywords
- asj
- carbon dioxide
- melamine
- ammonia
- spray
- 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
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims description 16
- 229920000877 Melamine resin Polymers 0.000 title claims description 15
- 238000000746 purification Methods 0.000 title description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 28
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 24
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 12
- 239000001569 carbon dioxide Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 241000931365 Ampelodesmos mauritanicus Species 0.000 claims 1
- 241000375392 Tana Species 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 17
- 239000006096 absorbing agent Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- 241000288105 Grus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- HSMPDPBYAYSOBC-UHFFFAOYSA-N khellin Chemical compound O1C(C)=CC(=O)C2=C1C(OC)=C1OC=CC1=C2OC HSMPDPBYAYSOBC-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C07D251/62—Purification of melamine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US401535A US3265233A (en) | 1964-10-05 | 1964-10-05 | Container and safety closure construction |
| US401555A US3315442A (en) | 1964-10-05 | 1964-10-05 | Quenching of crude melamine gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1445462A1 true DE1445462A1 (de) | 1969-02-20 |
Family
ID=27017500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19641445462 Pending DE1445462A1 (de) | 1964-10-05 | 1964-10-30 | Reinigung von rohem Melamin |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3315442A (en, 2012) |
| AT (1) | AT278019B (en, 2012) |
| BE (1) | BE654962A (en, 2012) |
| CH (1) | CH467276A (en, 2012) |
| DE (1) | DE1445462A1 (en, 2012) |
| GB (1) | GB1075294A (en, 2012) |
| NL (1) | NL6412642A (en, 2012) |
| NO (1) | NO115078B (en, 2012) |
| SE (1) | SE302769B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4211763A1 (de) * | 1992-04-08 | 1993-10-14 | Chemie Linz Deutschland | Vorrichtung zur Abscheidung von Melamin |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1054502A (en, 2012) * | 1964-01-14 | |||
| DE2317603C3 (de) * | 1973-04-07 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zur zumindest teilweisen Trennung von Ammoniak und Kohlendioxid enthaltenden Gasgemischen |
| US3885928A (en) * | 1973-06-18 | 1975-05-27 | Standard Oil Co Ohio | Acrylonitrile and methacrylonitrile recovery and purification system |
| DE2646804C3 (de) * | 1976-10-16 | 1982-03-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von reinem Ammoniak aus Ammoniak und Kohlendioxid enthaltenden Gasgemischen |
| NL168196C (nl) * | 1976-11-03 | 1982-03-16 | Stamicarbon | Werkwijze voor het afscheiden van nh&013 en co&012 uit een mengsel van nh&013, co&012 en h&012o. |
| NL7804668A (nl) * | 1978-04-29 | 1979-10-31 | Stamicarbon | Werkwijze voor het scheiden van nh3 en co2 uit meng- sels van nh3 ,co2 en water. |
| JPS58124528A (ja) * | 1982-01-21 | 1983-07-25 | Ise Kagaku Kogyo Kk | 昇華性物質の球状化物、その製法及び製造装置 |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| AT397214B (de) * | 1992-03-30 | 1994-02-25 | Chemie Linz Gmbh | Vorrichtung zur abscheidung von melamin |
| ITMI20021026A1 (it) * | 2002-05-14 | 2003-11-14 | Eurotecnica Dev & Licensing S | Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2755887A (en) * | 1956-07-24 | Melamine purification | ||
| US3132143A (en) * | 1964-05-05 | Process for recovering melamine |
-
1964
- 1964-10-05 US US401555A patent/US3315442A/en not_active Expired - Lifetime
- 1964-10-23 NO NO155282A patent/NO115078B/no unknown
- 1964-10-28 CH CH1393164A patent/CH467276A/de unknown
- 1964-10-28 BE BE654962D patent/BE654962A/xx unknown
- 1964-10-29 SE SE13030/64A patent/SE302769B/xx unknown
- 1964-10-30 AT AT09239/64A patent/AT278019B/de not_active IP Right Cessation
- 1964-10-30 DE DE19641445462 patent/DE1445462A1/de active Pending
- 1964-10-30 GB GB44444/64A patent/GB1075294A/en not_active Expired
- 1964-10-30 NL NL6412642A patent/NL6412642A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4211763A1 (de) * | 1992-04-08 | 1993-10-14 | Chemie Linz Deutschland | Vorrichtung zur Abscheidung von Melamin |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6412642A (en, 2012) | 1966-04-06 |
| BE654962A (en, 2012) | 1965-04-28 |
| AT278019B (de) | 1970-01-26 |
| US3315442A (en) | 1967-04-25 |
| SE302769B (en, 2012) | 1968-08-05 |
| NO115078B (en, 2012) | 1968-07-22 |
| GB1075294A (en) | 1967-07-12 |
| CH467276A (de) | 1969-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1445462A1 (de) | Reinigung von rohem Melamin | |
| DE3012900A1 (de) | Verfahren zur herstellung von alkoholen aus synthesegas | |
| CN110639504A (zh) | 一种蜂窝式低温烟气脱硝催化剂及其制备方法 | |
| EP0689526B1 (de) | Organisches düngemittel und verfahren zu seiner herstellung | |
| CH631956A5 (de) | Verfahren zur herstellung von 2,5-dichlorphenol. | |
| DE2547940A1 (de) | Verfahren zur herstellung eines katalysators fuer die ammoniaksynthese | |
| EP0909182B1 (de) | Herstellung polyether-aufweisender chlorine und bakteriochlorine | |
| DE19842228A1 (de) | Kohlendioxidgas-Absorber | |
| DE3403492A1 (de) | Verfahren zur herstellung einer mischung aus methanol und hoeheren alkoholen | |
| DE1592013A1 (de) | Verfahren zur Herstellung von wasserfreiem Hyposulfit | |
| DE3411094A1 (de) | Dehydratisierendes zersetzungsverfahren zur herstellung von carbonylverbindungen | |
| DE651462C (de) | Verfahren zur restlosen Entfernung der organischen Schwefelverbindungen aus Kohlenoxyd und Wasserstoff enthaltenden Gasen | |
| DE1695298A1 (de) | Pyrazinderivate und Verfahren zu deren Herstellung | |
| DE2114614A1 (de) | Verfahren zur Herstellung von tertiären Aminen | |
| DE1950535A1 (de) | Verfahren zur Oxydation von Kohlen und kohleaehnlichen Stoffen | |
| DE2042396A1 (de) | Verfahren zur Herstellung von Äthylenoxyd | |
| DE939385C (de) | Verfahren zur Herstellung von Eisenfaellungskatalysatoren fuer die katalytische Kohlenoxydhydrierung | |
| DE933985C (de) | Verfahren zur Umsetzung von Kohlenoxyd mit Wasserstoff | |
| DE1583918A1 (de) | Gewinnung von Kupfer | |
| Vejlby | Induction Phenomenon and CO 2 Gush in Photosynthesis of Polytrichum attenuatum. | |
| DE902375C (de) | Verfahren zur Herstellung von Methanol | |
| DE2918292A1 (de) | Neue antitumordeoxyanthracycline | |
| DE945327C (de) | Verfahren zur Gewinnung von Vanillin aus Lignin bzw. Ligninderivaten oder ligninhaltigem Material | |
| DE3102281A1 (de) | Verfahren zur hydroformylierung von propylen | |
| DE19812509C2 (de) | Katalysator zur Gewinnung von Stickstoffmonoxid und Verfahren zu seiner Herstellung |