AT302269B - Verfahren zur Gewinnung von reinem p-Xylol - Google Patents
Verfahren zur Gewinnung von reinem p-XylolInfo
- Publication number
- AT302269B AT302269B AT590570A AT590570A AT302269B AT 302269 B AT302269 B AT 302269B AT 590570 A AT590570 A AT 590570A AT 590570 A AT590570 A AT 590570A AT 302269 B AT302269 B AT 302269B
- Authority
- AT
- Austria
- Prior art keywords
- xylene
- recovery
- pure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/919—Apparatus considerations
- Y10S585/921—Apparatus considerations using recited apparatus structure
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Centrifugal Separators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1934721A DE1934721C3 (de) | 1969-07-09 | 1969-07-09 | Verfahren zum Abtrennen von Flüssigkeitsfilmen von p-Xylol-Kristallen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT302269B true AT302269B (de) | 1972-10-10 |
Family
ID=5739261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT590570A AT302269B (de) | 1969-07-09 | 1970-07-01 | Verfahren zur Gewinnung von reinem p-Xylol |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3720647A (de) |
| JP (1) | JPS5012416B1 (de) |
| AT (1) | AT302269B (de) |
| BE (1) | BE752797A (de) |
| BR (1) | BR7020235D0 (de) |
| CS (1) | CS173570B2 (de) |
| DE (1) | DE1934721C3 (de) |
| ES (1) | ES381410A1 (de) |
| FR (1) | FR2054340A5 (de) |
| NL (1) | NL7009578A (de) |
| PL (1) | PL80958B1 (de) |
| RO (1) | RO69111A (de) |
| SU (1) | SU447879A3 (de) |
| TR (1) | TR16965A (de) |
| YU (1) | YU33333B (de) |
| ZA (1) | ZA704659B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079087A (en) * | 1969-01-27 | 1978-03-14 | The Dow Chemical Company | Three phase crystallization of bisphenol A |
| DE3839229A1 (de) * | 1988-11-19 | 1990-05-23 | Krupp Koppers Gmbh | Verfahren zur gewinnung von p-xylol mit einer reinheit von mehr als 99,8 gew.-% |
| US5498822A (en) * | 1994-04-04 | 1996-03-12 | Mobil Oil Corporation | Single temperature stage crystallization of paraxylene |
| US5448005A (en) * | 1994-04-04 | 1995-09-05 | Mobil Oil Corporation | Crystallization of paraxlene from high purity paraxylene feeds |
| FR2728894A1 (fr) * | 1994-12-29 | 1996-07-05 | Inst Francais Du Petrole | Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature |
| US5971907A (en) * | 1998-05-19 | 1999-10-26 | Bp Amoco Corporation | Continuous centrifugal separator with tapered internal feed distributor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE499776A (de) * | 1947-08-26 | |||
| US2614134A (en) * | 1950-06-21 | 1952-10-14 | Standard Oil Dev Co | Purification of crystalline substances |
| US2780663A (en) * | 1953-05-29 | 1957-02-05 | Standard Oil Co | Fractional crystallization and crystal washing |
| US2795635A (en) * | 1953-08-28 | 1957-06-11 | Phillips Petroleum Co | Centrifuge |
| US3038789A (en) * | 1959-06-17 | 1962-06-12 | Exxon Research Engineering Co | Apparatus for purifying hydrocarbons by crystallization |
| NL278713A (de) * | 1961-05-22 |
-
1969
- 1969-07-09 DE DE1934721A patent/DE1934721C3/de not_active Expired
-
1970
- 1970-06-26 YU YU1624/70A patent/YU33333B/xx unknown
- 1970-06-29 NL NL7009578A patent/NL7009578A/xx unknown
- 1970-07-01 AT AT590570A patent/AT302269B/de not_active IP Right Cessation
- 1970-07-01 TR TR16965A patent/TR16965A/xx unknown
- 1970-07-01 BE BE752797D patent/BE752797A/xx unknown
- 1970-07-02 BR BR220235/70A patent/BR7020235D0/pt unknown
- 1970-07-02 CS CS4619A patent/CS173570B2/cs unknown
- 1970-07-02 SU SU1455097A patent/SU447879A3/ru active
- 1970-07-03 ES ES381410A patent/ES381410A1/es not_active Expired
- 1970-07-07 ZA ZA704659A patent/ZA704659B/xx unknown
- 1970-07-07 RO RO7063838A patent/RO69111A/ro unknown
- 1970-07-08 FR FR7025326A patent/FR2054340A5/fr not_active Expired
- 1970-07-08 US US00053284A patent/US3720647A/en not_active Expired - Lifetime
- 1970-07-09 PL PL1970141941A patent/PL80958B1/pl unknown
- 1970-07-09 JP JP45059823A patent/JPS5012416B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| YU33333B (en) | 1976-10-31 |
| CS173570B2 (de) | 1977-02-28 |
| YU162470A (en) | 1976-04-30 |
| BR7020235D0 (pt) | 1973-02-15 |
| NL7009578A (de) | 1971-01-12 |
| ES381410A1 (es) | 1972-11-16 |
| SU447879A3 (ru) | 1974-10-25 |
| US3720647A (en) | 1973-03-13 |
| RO69111A (ro) | 1980-08-15 |
| FR2054340A5 (de) | 1971-04-16 |
| DE1934721B2 (de) | 1973-05-03 |
| JPS5012416B1 (de) | 1975-05-12 |
| DE1934721A1 (de) | 1971-01-14 |
| PL80958B1 (de) | 1975-08-30 |
| DE1934721C3 (de) | 1974-01-17 |
| BE752797A (fr) | 1970-12-16 |
| ZA704659B (en) | 1971-04-28 |
| TR16965A (tr) | 1974-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |