ATA99477A - Verfahren zur rueckgewinnung von loesungsmitteln - Google Patents
Verfahren zur rueckgewinnung von loesungsmittelnInfo
- Publication number
- ATA99477A ATA99477A AT99477A AT99477A ATA99477A AT A99477 A ATA99477 A AT A99477A AT 99477 A AT99477 A AT 99477A AT 99477 A AT99477 A AT 99477A AT A99477 A ATA99477 A AT A99477A
- Authority
- AT
- Austria
- 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 (2)
| Publication Number | Publication Date |
|---|---|
| ATA99477A true ATA99477A (de) | 1979-08-15 |
| AT355700B AT355700B (de) | 1980-03-10 |
Family
ID=5503586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99477A AT355700B (de) | 1976-02-18 | 1977-02-15 | Verfahren zur rueckgewinnung von loesungsmitteln |
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 AT AT99477A patent/AT355700B/de not_active IP Right Cessation
- 1977-02-15 GB GB631877A patent/GB1522933A/en not_active Expired
- 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 HU HUPE001009 patent/HU175990B/hu unknown
- 1977-02-18 FR FR7704814A patent/FR2343041A1/fr not_active Withdrawn
- 1977-02-18 RO RO7789449A patent/RO71660A/ro unknown
- 1977-02-18 CS CS109177A patent/CS191577B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU43477A (en) | 1982-06-30 |
| CS191577B1 (en) | 1979-07-31 |
| FR2343041A1 (fr) | 1977-09-30 |
| AT355700B (de) | 1980-03-10 |
| RO71660A (ro) | 1982-02-26 |
| NL7701780A (nl) | 1977-08-22 |
| DE2705268A1 (de) | 1977-08-25 |
| HU175990B (en) | 1980-11-28 |
| GB1522933A (en) | 1978-08-31 |
| DD124520A1 (de) | 1977-03-02 |
| BG44947A1 (de) | 1989-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |