ES368936A1 - Un procedimiento y un aparato para la recuperacion de mela-mina de una mezcla caliente de gases de sintesis que contie-ne vapor de melamina caliente. - Google Patents
Un procedimiento y un aparato para la recuperacion de mela-mina de una mezcla caliente de gases de sintesis que contie-ne vapor de melamina caliente.Info
- Publication number
- ES368936A1 ES368936A1 ES368936A ES368936A ES368936A1 ES 368936 A1 ES368936 A1 ES 368936A1 ES 368936 A ES368936 A ES 368936A ES 368936 A ES368936 A ES 368936A ES 368936 A1 ES368936 A1 ES 368936A1
- Authority
- ES
- Spain
- Prior art keywords
- melamine
- synthesis gas
- melt
- recovery
- gas mixture
- 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.)
- Expired
Links
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
- C07D251/62—Purification of melamine
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6809253A NL6809253A (es) | 1968-06-29 | 1968-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES368936A1 true ES368936A1 (es) | 1971-07-16 |
Family
ID=19804033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES368936A Expired ES368936A1 (es) | 1968-06-29 | 1969-06-28 | Un procedimiento y un aparato para la recuperacion de mela-mina de una mezcla caliente de gases de sintesis que contie-ne vapor de melamina caliente. |
Country Status (11)
Country | Link |
---|---|
US (1) | US3578664A (es) |
AT (1) | AT289133B (es) |
BE (1) | BE735283A (es) |
BR (1) | BR6910314D0 (es) |
CH (1) | CH507968A (es) |
DE (1) | DE1933117A1 (es) |
ES (1) | ES368936A1 (es) |
FR (1) | FR2011798A1 (es) |
GB (1) | GB1247208A (es) |
NL (1) | NL6809253A (es) |
SE (1) | SE349583B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700672A (en) * | 1969-04-15 | 1972-10-24 | Nissan Chemical Ind Ltd | Process for recovering by-product gases at high pressure in melamine production |
BE760072A (fr) * | 1969-12-11 | 1971-06-09 | Stamicarbon | Procede pour la separation de melamine a partir d'un melange gazeux de synthese comprenant de la vapeur de melamine |
AT410210B (de) | 2000-08-07 | 2003-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von melamin |
-
1968
- 1968-06-29 NL NL6809253A patent/NL6809253A/xx unknown
-
1969
- 1969-06-26 AT AT610069A patent/AT289133B/de not_active IP Right Cessation
- 1969-06-27 CH CH990169A patent/CH507968A/de not_active IP Right Cessation
- 1969-06-27 GB GB32639/69A patent/GB1247208A/en not_active Expired
- 1969-06-27 BE BE735283D patent/BE735283A/xx unknown
- 1969-06-28 ES ES368936A patent/ES368936A1/es not_active Expired
- 1969-06-30 BR BR210314/69A patent/BR6910314D0/pt unknown
- 1969-06-30 DE DE19691933117 patent/DE1933117A1/de active Pending
- 1969-06-30 US US837479A patent/US3578664A/en not_active Expired - Lifetime
- 1969-06-30 FR FR6921983A patent/FR2011798A1/fr not_active Withdrawn
- 1969-06-30 SE SE09306/69*A patent/SE349583B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3578664A (en) | 1971-05-11 |
NL6809253A (es) | 1969-12-31 |
DE1933117A1 (de) | 1970-09-17 |
FR2011798A1 (es) | 1970-03-06 |
CH507968A (de) | 1971-05-31 |
SE349583B (es) | 1972-10-02 |
BR6910314D0 (pt) | 1973-01-23 |
AT289133B (de) | 1971-04-13 |
BE735283A (es) | 1969-12-29 |
GB1247208A (en) | 1971-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EG12014A (en) | Radial-flow reactor for the synthesis of ammonia with production of high-thermal level steam | |
FR1172788A (fr) | Procédé de séparation des paraffines normales des mélanges d'hydrocarbures | |
BE766537A (fr) | Recuperation de produits chimiques a partir d'emanations de gaz | |
ES368936A1 (es) | Un procedimiento y un aparato para la recuperacion de mela-mina de una mezcla caliente de gases de sintesis que contie-ne vapor de melamina caliente. | |
CA955960A (en) | Process for the treatment of the gaseous product from the pyrolysis of 1.2-dichloroethane to vinyl chloride | |
GB1115952A (en) | Process for the separation of ammonia produced in medium and low pressure synthesizing plants | |
GB1129637A (en) | Process for separating chlorine from phosgene | |
GB995479A (en) | Continuous extraction of poly-e-caproamide | |
FR1245579A (fr) | Procédé de préparation de produits d'addition alcalins de certains hydrocarbures aromatiques | |
ES381410A1 (es) | Procedimiento para obtener para-xileno con un grado de pu- reza superior a 99 por 100 en peso. | |
GB1275490A (en) | Process for separating off melamine from a hot synthesis gas mixture which contains melamine vapour | |
USD223508S (en) | Portative washing apparatus for small size articles | |
ES378040A1 (es) | Procedimiento para la fabricacion de acido borico. | |
GB1128860A (en) | Process for the preparation of potassium methionate | |
GB1125638A (en) | Improvements in neutralizing hydroxyalkyl cellulose | |
GB1264481A (es) | ||
ES326148A1 (es) | Procedimiento para la preparacion de ciclohexanona. | |
CA843447A (en) | Process for the recovery of melamine from a synthesis gas mixture containing hot melamine vapour | |
GB1375320A (es) | ||
ES248873A1 (es) | Procedimiento de preparacion de perborato de gran movilidad | |
JPS5227499A (en) | Process for recovery of polyurethane resins | |
GB1253957A (en) | Purification of laurolactam | |
GB996569A (en) | Separation of 4:4-bipyridyl from mixtures containing it | |
GB1004936A (en) | Process for the manufacture of 2:2:2-trifluoro-1-chloro-1-bromethane | |
GB1229133A (es) |