PT69776A - Improved filtration of wax in a solvent dewaxing process - Google Patents
Improved filtration of wax in a solvent dewaxing processInfo
- Publication number
- PT69776A PT69776A PT69776A PT6977679A PT69776A PT 69776 A PT69776 A PT 69776A PT 69776 A PT69776 A PT 69776A PT 6977679 A PT6977679 A PT 6977679A PT 69776 A PT69776 A PT 69776A
- Authority
- PT
- Portugal
- Prior art keywords
- wax
- solvent dewaxing
- dewaxing process
- improved filtration
- filtration
- Prior art date
Links
Classifications
-
- 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
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
- C10G73/025—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils by filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
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)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91885478A | 1978-06-23 | 1978-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT69776A true PT69776A (en) | 1979-07-01 |
Family
ID=25441074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT69776A PT69776A (en) | 1978-06-23 | 1979-06-19 | Improved filtration of wax in a solvent dewaxing process |
Country Status (14)
Country | Link |
---|---|
AU (1) | AU520751B2 (es) |
BR (1) | BR7903961A (es) |
CA (1) | CA1132935A (es) |
ES (1) | ES481845A1 (es) |
FR (1) | FR2429253A1 (es) |
GB (1) | GB2023641B (es) |
GR (1) | GR69226B (es) |
IN (1) | IN151207B (es) |
MA (1) | MA18487A1 (es) |
MX (1) | MX6066E (es) |
PH (1) | PH16591A (es) |
PT (1) | PT69776A (es) |
YU (1) | YU40844B (es) |
ZA (1) | ZA792722B (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5190673A (en) * | 1991-06-12 | 1993-03-02 | Mobil Oil Corp. | Filtration in solvent dewaxing with continuous spraying of filter with both hot and cold solvents |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1857810A (en) * | 1929-01-24 | 1932-05-10 | Texas Co | Filtration |
FR46141E (fr) * | 1935-03-28 | 1936-03-05 | Texaco Development Corp | Perfectionnements à la filtration |
US2350944A (en) * | 1941-05-02 | 1944-06-06 | Lummus Co | Dewaxing apparatus |
US2592490A (en) * | 1949-11-29 | 1952-04-08 | Socony Vacuum Oil Co Inc | Method of dewaxing oil and continuous rotary filter therefor |
US3491885A (en) * | 1966-11-21 | 1970-01-27 | Texaco Development Corp | Apparatus for washing filter cake in solvent dewaxing operations |
-
1979
- 1979-06-01 ZA ZA792722A patent/ZA792722B/xx unknown
- 1979-06-01 GR GR59243A patent/GR69226B/el unknown
- 1979-06-02 IN IN576/CAL/79A patent/IN151207B/en unknown
- 1979-06-06 PH PH22613A patent/PH16591A/en unknown
- 1979-06-11 CA CA329,461A patent/CA1132935A/en not_active Expired
- 1979-06-12 GB GB7920483A patent/GB2023641B/en not_active Expired
- 1979-06-15 MX MX798087U patent/MX6066E/es unknown
- 1979-06-18 MA MA18682A patent/MA18487A1/fr unknown
- 1979-06-19 AU AU48158/79A patent/AU520751B2/en not_active Ceased
- 1979-06-19 PT PT69776A patent/PT69776A/pt unknown
- 1979-06-21 YU YU1464/79A patent/YU40844B/xx unknown
- 1979-06-22 FR FR7916084A patent/FR2429253A1/fr active Granted
- 1979-06-22 BR BR7903961A patent/BR7903961A/pt unknown
- 1979-06-22 ES ES481845A patent/ES481845A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
MX6066E (es) | 1984-10-24 |
AU520751B2 (en) | 1982-02-25 |
ES481845A1 (es) | 1980-02-16 |
GR69226B (es) | 1982-05-10 |
GB2023641A (en) | 1980-01-03 |
ZA792722B (en) | 1980-10-29 |
YU40844B (en) | 1986-06-30 |
MA18487A1 (fr) | 1979-12-31 |
PH16591A (en) | 1983-11-22 |
GB2023641B (en) | 1982-10-13 |
FR2429253B1 (es) | 1985-01-25 |
IN151207B (es) | 1983-03-05 |
BR7903961A (pt) | 1980-03-18 |
CA1132935A (en) | 1982-10-05 |
FR2429253A1 (fr) | 1980-01-18 |
YU146479A (en) | 1983-10-31 |
AU4815879A (en) | 1980-01-03 |
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