BE633571A - - Google Patents
Info
- Publication number
- BE633571A BE633571A BE633571DA BE633571A BE 633571 A BE633571 A BE 633571A BE 633571D A BE633571D A BE 633571DA BE 633571 A BE633571 A BE 633571A
- Authority
- BE
- Belgium
- Prior art keywords
- melamine
- solution
- resin
- crude
- column
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 claims description 14
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 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 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000003456 ion exchange resin Substances 0.000 claims description 2
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000746 purification Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- 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
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/05—Processes using organic exchangers in the strongly basic form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR937993A FR1360526A (fr) | 1962-06-11 | 1963-06-13 | Procédé continu pour la purification de mélamine brute à l'aide de résines échangeuses d'ions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE633571A true BE633571A (enrdf_load_html_response) |
Family
ID=8805980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE633571D BE633571A (enrdf_load_html_response) | 1963-06-13 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE633571A (enrdf_load_html_response) |
| NL (1) | NL293784A (enrdf_load_html_response) |
-
0
- NL NL293784D patent/NL293784A/xx unknown
- BE BE633571D patent/BE633571A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL293784A (enrdf_load_html_response) |
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