BR8000786A - Processo para a separacao de selenio,compostos de selenio,enxofre e/ou compostos de enxofre de uretanas que apresentam esses elementos ou compostos - Google Patents
Processo para a separacao de selenio,compostos de selenio,enxofre e/ou compostos de enxofre de uretanas que apresentam esses elementos ou compostosInfo
- Publication number
- BR8000786A BR8000786A BR8000786A BR8000786A BR8000786A BR 8000786 A BR8000786 A BR 8000786A BR 8000786 A BR8000786 A BR 8000786A BR 8000786 A BR8000786 A BR 8000786A BR 8000786 A BR8000786 A BR 8000786A
- Authority
- BR
- Brazil
- Prior art keywords
- compounds
- selenium
- sulfur
- uretanes
- separation
- Prior art date
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
- 150000001875 compounds Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052711 selenium Inorganic materials 0.000 title 1
- 239000011669 selenium Substances 0.000 title 1
- 229940065287 selenium compound Drugs 0.000 title 1
- 150000003343 selenium compounds Chemical class 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 title 1
- 239000011593 sulfur Substances 0.000 title 1
- 150000003464 sulfur compounds Chemical class 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/001—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/28—Regeneration or reactivation
- B01J27/30—Regeneration or reactivation of catalysts comprising compounds of sulfur, selenium or tellurium
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792904929 DE2904929A1 (de) | 1979-02-09 | 1979-02-09 | Verfahren zur abtrennung von selen, selenverbindungen, schwefel und/oder schwefelverbindungen aus diese elemente bzw. verbindungen aufweisenden polyurethanen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8000786A true BR8000786A (pt) | 1980-10-21 |
Family
ID=6062555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8000786A BR8000786A (pt) | 1979-02-09 | 1980-02-08 | Processo para a separacao de selenio,compostos de selenio,enxofre e/ou compostos de enxofre de uretanas que apresentam esses elementos ou compostos |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4259511A (pt) |
| EP (1) | EP0014406B1 (pt) |
| JP (1) | JPS55105657A (pt) |
| BR (1) | BR8000786A (pt) |
| CA (1) | CA1140582A (pt) |
| DE (2) | DE2904929A1 (pt) |
| ES (1) | ES488412A1 (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378448A (en) * | 1994-06-07 | 1995-01-03 | Lin; Hsing K. | Process for removing selenium from sulfur |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895054A (en) * | 1972-08-30 | 1975-07-15 | Atlantic Richfield Co | Process for the manufacture of urethanes |
| US3956360A (en) * | 1973-06-21 | 1976-05-11 | Atlantic Richfield Company | Process for the manufacture of urethanes |
| US4055630A (en) * | 1975-08-12 | 1977-10-25 | Atlantic Richfield Company | Process for the recovery of selenium from urethanes containing selenium or compounds thereof |
| US4038376A (en) * | 1975-08-12 | 1977-07-26 | Atlantic Richfield Company | Process for the recovery of selenium from urethanes containing selenium or compounds thereof |
| US4041139A (en) * | 1976-08-30 | 1977-08-09 | Atlantic Richfield Company | Recovery of selenium from urethane solutions |
| US4038375A (en) * | 1976-09-15 | 1977-07-26 | Atlantic Richfield Company | Process for the recovery of selenium from selenium-containing urethane solutions |
| US4038377A (en) * | 1976-09-29 | 1977-07-26 | Atlantic Richfield Company | Removal of selenium from urethane solutions |
| US4055629A (en) * | 1976-12-13 | 1977-10-25 | Atlantic Richfield Company | Process for the removal of selenium compounds from urethane solutions |
| US4130633A (en) * | 1977-12-27 | 1978-12-19 | Atlantic Richfield Company | Removal of selenium from urethane solutions |
-
1979
- 1979-02-09 DE DE19792904929 patent/DE2904929A1/de not_active Withdrawn
-
1980
- 1980-01-23 CA CA000344249A patent/CA1140582A/en not_active Expired
- 1980-01-25 US US06/115,577 patent/US4259511A/en not_active Expired - Lifetime
- 1980-01-28 EP EP80100424A patent/EP0014406B1/de not_active Expired
- 1980-01-28 DE DE8080100424T patent/DE3060008D1/de not_active Expired
- 1980-02-07 JP JP1310580A patent/JPS55105657A/ja active Granted
- 1980-02-08 ES ES488412A patent/ES488412A1/es not_active Expired
- 1980-02-08 BR BR8000786A patent/BR8000786A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES488412A1 (es) | 1980-10-01 |
| US4259511A (en) | 1981-03-31 |
| DE3060008D1 (en) | 1981-11-19 |
| EP0014406A1 (de) | 1980-08-20 |
| EP0014406B1 (de) | 1981-08-26 |
| DE2904929A1 (de) | 1980-08-21 |
| JPS55105657A (en) | 1980-08-13 |
| JPS6111941B2 (pt) | 1986-04-05 |
| CA1140582A (en) | 1983-02-01 |
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