DE2140193C3 - Verfahren zur Herstellung von rieselfähigen Caprolactamprills aus Caprolactamschmelze - Google Patents
Verfahren zur Herstellung von rieselfähigen Caprolactamprills aus CaprolactamschmelzeInfo
- Publication number
- DE2140193C3 DE2140193C3 DE19712140193 DE2140193A DE2140193C3 DE 2140193 C3 DE2140193 C3 DE 2140193C3 DE 19712140193 DE19712140193 DE 19712140193 DE 2140193 A DE2140193 A DE 2140193A DE 2140193 C3 DE2140193 C3 DE 2140193C3
- Authority
- DE
- Germany
- Prior art keywords
- caprolactam
- fluidized bed
- melt
- prills
- cold
- 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
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- 244000052616 bacterial pathogen Species 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 230000006911 nucleation Effects 0.000 claims 1
- 238000010899 nucleation Methods 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000003892 spreading Methods 0.000 claims 1
- 150000003951 lactams Chemical class 0.000 description 3
- 241001214176 Capros Species 0.000 description 2
- 241000589614 Pseudomonas stutzeri Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Glanulating (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Fertilizers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE787400D BE787400A (fr) | 1971-08-11 | Procede pour la fabrication de pastilles de caprolactame ayant une bonne faculte d'ecoulement a partir de caprolactame en fusion | |
| DE19712140193 DE2140193C3 (de) | 1971-08-11 | 1971-08-11 | Verfahren zur Herstellung von rieselfähigen Caprolactamprills aus Caprolactamschmelze |
| NL7210376A NL7210376A (enExample) | 1971-08-11 | 1972-07-27 | |
| BR534872A BR7205348D0 (pt) | 1971-08-11 | 1972-08-08 | Processo para a fabricacao de granulos de caprolactama com poder deslizante a partir de massa fundida de caprolactama |
| IT5208172A IT961935B (it) | 1971-08-11 | 1972-08-09 | Procedimento per la produzione di granuli prills di caprolattame a partire da una massa fusa di caprolattame |
| GB3733772A GB1390971A (en) | 1971-08-11 | 1972-08-10 | Production of freeflowing caprolactam prills from a melt of caprolactam |
| FR7229121A FR2148626B3 (enExample) | 1971-08-11 | 1972-08-11 | |
| JP8005472A JPS4826754A (enExample) | 1971-08-11 | 1972-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712140193 DE2140193C3 (de) | 1971-08-11 | 1971-08-11 | Verfahren zur Herstellung von rieselfähigen Caprolactamprills aus Caprolactamschmelze |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2140193A1 DE2140193A1 (de) | 1973-02-22 |
| DE2140193B2 DE2140193B2 (de) | 1974-05-16 |
| DE2140193C3 true DE2140193C3 (de) | 1975-01-02 |
Family
ID=5816432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712140193 Expired DE2140193C3 (de) | 1971-08-11 | 1971-08-11 | Verfahren zur Herstellung von rieselfähigen Caprolactamprills aus Caprolactamschmelze |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4826754A (enExample) |
| BE (1) | BE787400A (enExample) |
| BR (1) | BR7205348D0 (enExample) |
| DE (1) | DE2140193C3 (enExample) |
| FR (1) | FR2148626B3 (enExample) |
| GB (1) | GB1390971A (enExample) |
| IT (1) | IT961935B (enExample) |
| NL (1) | NL7210376A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3181317A1 (de) | 2015-12-18 | 2017-06-21 | LANXESS Deutschland GmbH | Verfahren zur herstellung von feststoffpartikeln |
-
0
- BE BE787400D patent/BE787400A/xx unknown
-
1971
- 1971-08-11 DE DE19712140193 patent/DE2140193C3/de not_active Expired
-
1972
- 1972-07-27 NL NL7210376A patent/NL7210376A/xx unknown
- 1972-08-08 BR BR534872A patent/BR7205348D0/pt unknown
- 1972-08-09 IT IT5208172A patent/IT961935B/it active
- 1972-08-10 GB GB3733772A patent/GB1390971A/en not_active Expired
- 1972-08-11 FR FR7229121A patent/FR2148626B3/fr not_active Expired
- 1972-08-11 JP JP8005472A patent/JPS4826754A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1390971A (en) | 1975-04-16 |
| DE2140193A1 (de) | 1973-02-22 |
| IT961935B (it) | 1973-12-10 |
| BR7205348D0 (pt) | 1974-10-29 |
| JPS4826754A (enExample) | 1973-04-09 |
| FR2148626B3 (enExample) | 1975-10-03 |
| BE787400A (fr) | 1973-02-12 |
| DE2140193B2 (de) | 1974-05-16 |
| NL7210376A (enExample) | 1973-02-13 |
| FR2148626A1 (enExample) | 1973-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHV | Ceased/renunciation |