RO71660A - PROCEDEU PENTRU RECUPERARнA SOLVENTILOR - Google Patents
PROCEDEU PENTRU RECUPERARнA SOLVENTILORInfo
- Publication number
- RO71660A RO71660A RO7789449A RO8944977A RO71660A RO 71660 A RO71660 A RO 71660A RO 7789449 A RO7789449 A RO 7789449A RO 8944977 A RO8944977 A RO 8944977A RO 71660 A RO71660 A RO 71660A
- Authority
- RO
- Romania
- Prior art keywords
- solvents
- recovery
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/40—Extractive distillation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/28—Recovery of used solvent
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General 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 |
|---|---|---|---|
| DD19129476A DD124520A1 (de) | 1976-02-18 | 1976-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO71660A true RO71660A (ro) | 1982-02-26 |
Family
ID=5503586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7789449A RO71660A (ro) | 1976-02-18 | 1977-02-18 | PROCEDEU PENTRU RECUPERARнA SOLVENTILOR |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT355700B (de) |
| BG (1) | BG44947A1 (de) |
| CS (1) | CS191577B1 (de) |
| DD (1) | DD124520A1 (de) |
| DE (1) | DE2705268A1 (de) |
| FR (1) | FR2343041A1 (de) |
| GB (1) | GB1522933A (de) |
| HU (1) | HU175990B (de) |
| NL (1) | NL7701780A (de) |
| RO (1) | RO71660A (de) |
| YU (1) | YU43477A (de) |
-
1976
- 1976-02-18 DD DD19129476A patent/DD124520A1/xx unknown
-
1977
- 1977-02-09 DE DE19772705268 patent/DE2705268A1/de active Pending
- 1977-02-15 GB GB631877A patent/GB1522933A/en not_active Expired
- 1977-02-15 AT AT99477A patent/AT355700B/de not_active IP Right Cessation
- 1977-02-17 YU YU43477A patent/YU43477A/xx unknown
- 1977-02-17 BG BG3544177A patent/BG44947A1/xx unknown
- 1977-02-18 NL NL7701780A patent/NL7701780A/xx not_active Application Discontinuation
- 1977-02-18 CS CS109177A patent/CS191577B1/cs unknown
- 1977-02-18 RO RO7789449A patent/RO71660A/ro unknown
- 1977-02-18 FR FR7704814A patent/FR2343041A1/fr not_active Withdrawn
- 1977-02-18 HU HUPE001009 patent/HU175990B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU175990B (en) | 1980-11-28 |
| YU43477A (en) | 1982-06-30 |
| DD124520A1 (de) | 1977-03-02 |
| CS191577B1 (en) | 1979-07-31 |
| ATA99477A (de) | 1979-08-15 |
| AT355700B (de) | 1980-03-10 |
| FR2343041A1 (fr) | 1977-09-30 |
| BG44947A1 (de) | 1989-03-15 |
| GB1522933A (en) | 1978-08-31 |
| NL7701780A (nl) | 1977-08-22 |
| DE2705268A1 (de) | 1977-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RO74849A (ro) | Procedeu de recuperare a olefin-nitrililor | |
| BE861172A (fr) | Procede de preparation d'alpha-amino-amides | |
| RO70854A (ro) | Procedeu de preparare a meta-ariloxibenzaldehidelor | |
| BE857244A (fr) | Procede de preparation de 3-chlorocephalosporines | |
| RO70462A (ro) | Procedeu pentru prepararea unor 3-halometilcefemi | |
| BE859325A (fr) | Procede pour la chloration dirigee d'alcoylbenzenes | |
| RO71572A (ro) | Procedeu pentru prepararea unor o0imcarbamati n-sulfenilati | |
| BE860267R (fr) | Procede de preparation de para-alkylphenols | |
| PT66584B (fr) | Procede de preparation de nouvelle aryltrifluoroethylamines | |
| RO71066A (ro) | Procedeu pentru prepararea unor 2-clorsulfinilazetidin-4-one | |
| RO72900A (ro) | Procedeu pentru prepararea unor cis-4a-feniloctahidro-1h-2-piridine | |
| RO72831A (ro) | Procedeu pentru prepararea unor fenilpiperazine | |
| RO70052A (ro) | Procedeu pentru prepararea unor 7-alcoxi-3-clormetilcefemi | |
| RO83713A (ro) | Procedeu pentru prepararea unor haloacilamide | |
| RO71660A (ro) | PROCEDEU PENTRU RECUPERARнA SOLVENTILOR | |
| BE850632R (fr) | Procede de preparation de para-alkylphenols | |
| RO74444A (ro) | Procedeu de preparare a l-asparagil-o-sulfato-l-tirozil-l-metionilglicil-1-triptofil-l-metionil-l-asparagil-l-fenil-alanilamidei | |
| FR2317290A1 (fr) | Procede pour la preparation de 5-cyanopyridones-(6) | |
| RO71742A (ro) | Procedeu pentru prepararea unor 1-oxadetiacefalosporine | |
| FR2337118A1 (fr) | Procede de preparation de phenyl-indanes | |
| FR2344561A1 (fr) | Procede de preparation de 3-methylenecephalosporines | |
| FR2338277A1 (fr) | Procede pour la preparation de la 6-methylpterine | |
| PT66065B (fr) | Procede pour la preparation de hydrocarbonetes | |
| FR2338924A1 (fr) | Procede de preparation de o-dialkylamino-methylphenols | |
| BE853164A (fr) | Procede de preparation de 3-chlorophtalide |