BR7017988D0 - Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filme - Google Patents
Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filmeInfo
- Publication number
- BR7017988D0 BR7017988D0 BR217988/70A BR21798870A BR7017988D0 BR 7017988 D0 BR7017988 D0 BR 7017988D0 BR 217988/70 A BR217988/70 A BR 217988/70A BR 21798870 A BR21798870 A BR 21798870A BR 7017988 D0 BR7017988 D0 BR 7017988D0
- Authority
- BR
- Brazil
- Prior art keywords
- distilling
- synthesis
- waste
- film type
- urea solution
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
Classifications
-
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1507269 | 1969-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7017988D0 true BR7017988D0 (pt) | 1973-04-12 |
Family
ID=11146229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR217988/70A BR7017988D0 (pt) | 1969-04-04 | 1970-04-03 | Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filme |
Country Status (17)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1209532B (it) * | 1984-04-20 | 1989-08-30 | Snam Progetti | Processo per la sintesi di urea e materiale utilizzato nello stesso. |
| JP3259661B2 (ja) * | 1997-06-27 | 2002-02-25 | 株式会社イトーキクレビオ | パネル体連結装置 |
| ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
| DE102019208859A1 (de) | 2019-06-18 | 2020-12-24 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser |
-
1970
- 1970-03-19 FR FR7009891A patent/FR2042135A5/fr not_active Expired
- 1970-03-19 GB GB03413/70A patent/GB1292515A/en not_active Expired
- 1970-03-20 BE BE747769D patent/BE747769A/xx not_active IP Right Cessation
- 1970-03-26 ZM ZM35/70A patent/ZM3570A1/xx unknown
- 1970-03-27 AT AT2890/70A patent/AT305304B/de not_active IP Right Cessation
- 1970-03-27 LU LU60616D patent/LU60616A1/xx unknown
- 1970-03-31 CH CH470570A patent/CH514555A/fr not_active IP Right Cessation
- 1970-03-31 YU YU852/70A patent/YU35113B/xx unknown
- 1970-04-01 CA CA078,921A patent/CA949918A/en not_active Expired
- 1970-04-02 DE DE19702015781 patent/DE2015781B2/de not_active Ceased
- 1970-04-02 CS CS2186A patent/CS152471B2/cs unknown
- 1970-04-03 RO RO7062975A patent/RO69432A/ro unknown
- 1970-04-03 ES ES378592A patent/ES378592A1/es not_active Expired
- 1970-04-03 JP JP45027937A patent/JPS5238017B1/ja active Pending
- 1970-04-03 IE IE413/70A patent/IE34603B1/xx unknown
- 1970-04-03 BR BR217988/70A patent/BR7017988D0/pt unknown
- 1970-04-06 NL NL7004886A patent/NL7004886A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5238017B1 (enrdf_load_stackoverflow) | 1977-09-27 |
| IE34603L (en) | 1970-10-04 |
| CS152471B2 (enrdf_load_stackoverflow) | 1973-12-19 |
| CH514555A (fr) | 1971-10-31 |
| YU35113B (en) | 1980-09-25 |
| CA949918A (en) | 1974-06-25 |
| ES378592A1 (es) | 1972-06-16 |
| NL7004886A (enrdf_load_stackoverflow) | 1970-10-06 |
| GB1292515A (en) | 1972-10-11 |
| DE2015781B2 (de) | 1973-05-03 |
| ZM3570A1 (en) | 1971-07-22 |
| DE2015781A1 (de) | 1970-10-08 |
| FR2042135A5 (enrdf_load_stackoverflow) | 1971-02-05 |
| LU60616A1 (enrdf_load_stackoverflow) | 1970-05-28 |
| YU85270A (en) | 1979-12-31 |
| BE747769A (fr) | 1970-08-31 |
| RO69432A (ro) | 1980-12-30 |
| IE34603B1 (en) | 1975-06-25 |
| AT305304B (de) | 1973-01-15 |
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