CA1121291A - Control system and method for a plurality of solvent dewaxing filters - Google Patents
Control system and method for a plurality of solvent dewaxing filtersInfo
- Publication number
- CA1121291A CA1121291A CA000289990A CA289990A CA1121291A CA 1121291 A CA1121291 A CA 1121291A CA 000289990 A CA000289990 A CA 000289990A CA 289990 A CA289990 A CA 289990A CA 1121291 A CA1121291 A CA 1121291A
- Authority
- CA
- Canada
- Prior art keywords
- filter
- dewaxing
- charge mix
- flow rate
- wash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002904 solvent Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 11
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims description 65
- 230000000875 corresponding effect Effects 0.000 claims description 27
- 230000001276 controlling effect Effects 0.000 claims description 19
- 239000011877 solvent mixture Substances 0.000 claims description 5
- 238000004018 waxing Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Control Of Non-Electrical Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74844676A | 1976-12-08 | 1976-12-08 | |
| US748,446 | 1976-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1121291A true CA1121291A (en) | 1982-04-06 |
Family
ID=25009479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000289990A Expired CA1121291A (en) | 1976-12-08 | 1977-11-01 | Control system and method for a plurality of solvent dewaxing filters |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5371368A (OSRAM) |
| AU (1) | AU508397B2 (OSRAM) |
| BR (1) | BR7707328A (OSRAM) |
| CA (1) | CA1121291A (OSRAM) |
| DE (1) | DE2753163A1 (OSRAM) |
| ES (1) | ES464588A1 (OSRAM) |
| GB (1) | GB1586675A (OSRAM) |
| GR (1) | GR63696B (OSRAM) |
| IT (1) | IT1088907B (OSRAM) |
| MX (1) | MX4986E (OSRAM) |
| PH (1) | PH15273A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213696A (en) * | 1991-12-23 | 1993-05-25 | Star Enterprise | Automatic dewaxing filter washing system and method |
| JP2021016834A (ja) * | 2019-07-22 | 2021-02-15 | 株式会社クリタス | 汚泥脱水処理装置及び汚泥脱水処理方法 |
-
1977
- 1977-08-24 PH PH20162A patent/PH15273A/en unknown
- 1977-10-21 JP JP12591277A patent/JPS5371368A/ja active Granted
- 1977-10-31 GB GB4520377A patent/GB1586675A/en not_active Expired
- 1977-11-01 CA CA000289990A patent/CA1121291A/en not_active Expired
- 1977-11-01 BR BR7707328A patent/BR7707328A/pt unknown
- 1977-11-04 AU AU30342/77A patent/AU508397B2/en not_active Expired
- 1977-11-08 GR GR54740A patent/GR63696B/el unknown
- 1977-11-29 DE DE19772753163 patent/DE2753163A1/de not_active Withdrawn
- 1977-11-29 IT IT3018877A patent/IT1088907B/it active
- 1977-11-29 ES ES464588A patent/ES464588A1/es not_active Expired
- 1977-11-30 MX MX659377U patent/MX4986E/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1586675A (en) | 1981-03-25 |
| GR63696B (en) | 1979-11-29 |
| ES464588A1 (es) | 1979-01-01 |
| MX4986E (es) | 1983-01-31 |
| DE2753163A1 (de) | 1978-06-15 |
| IT1088907B (it) | 1985-06-10 |
| AU3034277A (en) | 1979-05-10 |
| PH15273A (en) | 1982-11-02 |
| JPS5371368A (en) | 1978-06-24 |
| BR7707328A (pt) | 1979-05-29 |
| JPS5642965B2 (OSRAM) | 1981-10-08 |
| AU508397B2 (en) | 1980-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |