ZA926452B - Process for regenerating spent bleaching earth. - Google Patents
Process for regenerating spent bleaching earth.Info
- Publication number
- ZA926452B ZA926452B ZA926452A ZA926452A ZA926452B ZA 926452 B ZA926452 B ZA 926452B ZA 926452 A ZA926452 A ZA 926452A ZA 926452 A ZA926452 A ZA 926452A ZA 926452 B ZA926452 B ZA 926452B
- Authority
- ZA
- South Africa
- Prior art keywords
- bleaching earth
- spent bleaching
- earth
- organics
- oxygen
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- 230000001172 regenerating effect Effects 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 239000008187 granular material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3433—Regenerating or reactivating of sorbents or filter aids other than those covered by B01J20/3408 - B01J20/3425
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/56—Use in the form of a bed
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Fats And Perfumes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP91202192 | 1991-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA926452B true ZA926452B (en) | 1993-03-09 |
Family
ID=8207845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA926452A ZA926452B (en) | 1991-08-28 | 1992-08-26 | Process for regenerating spent bleaching earth. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5256613A (de) |
| EP (1) | EP0529555B1 (de) |
| JP (1) | JPH0699066A (de) |
| AT (1) | ATE127710T1 (de) |
| CA (1) | CA2077067C (de) |
| DE (1) | DE69204783T2 (de) |
| ES (1) | ES2079118T3 (de) |
| MX (1) | MX9204942A (de) |
| MY (1) | MY108370A (de) |
| ZA (1) | ZA926452B (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670678A (en) * | 1995-04-21 | 1997-09-23 | Hunt-Wesson, Inc. | Method for recovering edible oil from adsorbent materials |
| DE19536992A1 (de) * | 1995-10-04 | 1997-04-10 | Sued Chemie Ag | Verfahren zum Regenerieren von gebrauchten anorganischen Adsorbentien sowie Verwendung der Regenerate |
| US6635595B2 (en) | 2001-02-21 | 2003-10-21 | Council Of Scientific & Industrial Research | Process for simultaneous alkyl esterification of oil and regeneration of spent oil purification medium |
| FR2837720B1 (fr) * | 2002-03-28 | 2004-05-28 | Gaz De France | Procede pour regenerer un substrat mineral de filtration |
| CN109759016A (zh) * | 2019-02-26 | 2019-05-17 | 河南工业大学 | 用于吸附去除水中抗生素的可再生废白土基活性炭的制备及使用方法 |
| CN110787782A (zh) * | 2019-10-30 | 2020-02-14 | 河北金力新能源科技股份有限公司 | 一种含白油废碱性白土再生方法 |
| CN114682238B (zh) * | 2020-12-30 | 2024-03-01 | 丰益(上海)生物技术研发中心有限公司 | 一种废白土的再生方法 |
| EP4201513A1 (de) | 2021-12-22 | 2023-06-28 | Clariant International Ltd | Adsorbierende zusammensetzung mit einem gemisch aus bleicherde |
| WO2024023370A1 (es) | 2022-07-28 | 2024-02-01 | Solució Circular S.L. | Reactor, instalación y proceso de operación asociado para la extración de aceite de tierras agotadas y reactivación de éstas |
| CN115739058A (zh) * | 2022-12-22 | 2023-03-07 | 内蒙古伊泰煤基新材料研究院有限公司 | 一种废白土连续再生装置及方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2506545A (en) * | 1950-05-02 | Method fob regenerating spent | ||
| US1852603A (en) * | 1928-10-16 | 1932-04-05 | Nichols Engineering And Res Co | Process of activating or revivifying finely divided materials |
| US2409234A (en) * | 1940-12-31 | 1946-10-15 | Standard Oil Co | Revivifying adsorptive material |
| US2458350A (en) * | 1944-12-14 | 1949-01-04 | Socony Vacuum Oil Co Inc | Method and apparatus for conducting gas-solid contact operations |
| US2506552A (en) * | 1945-11-27 | 1950-05-02 | Socony Vacuum Oil Co Inc | Method of regenerating spent contact mass material |
| GB721680A (en) * | 1951-12-07 | 1955-01-12 | Anglo Iranian Oil Co Ltd | Treatment of oil-contaminated clay |
| BE515993A (de) * | 1951-12-07 | |||
| US3904549A (en) * | 1973-11-23 | 1975-09-09 | Dorr Oliver Inc | Fluidized bed regeneration of powdered activated carbon |
| DE3139078A1 (de) * | 1981-10-01 | 1983-04-21 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur regeneration von feuchten, pulverfoermigen adsorptionsmitteln sowie vorrichtung zur durchfuehrung dieses verfahrens |
| SU1171421A1 (ru) * | 1982-10-14 | 1985-08-07 | Всесоюзный Научно-Исследовательский Институт Водоснабжения,Канализации,Гидротехнических Сооружений И Инженерной Гидрогеологии | Способ регенерации активированного угл |
-
1992
- 1992-08-24 EP EP92114384A patent/EP0529555B1/de not_active Expired - Lifetime
- 1992-08-24 ES ES92114384T patent/ES2079118T3/es not_active Expired - Lifetime
- 1992-08-24 AT AT92114384T patent/ATE127710T1/de not_active IP Right Cessation
- 1992-08-24 DE DE69204783T patent/DE69204783T2/de not_active Expired - Fee Related
- 1992-08-26 ZA ZA926452A patent/ZA926452B/xx unknown
- 1992-08-27 MX MX9204942A patent/MX9204942A/es not_active IP Right Cessation
- 1992-08-27 US US07/935,975 patent/US5256613A/en not_active Expired - Fee Related
- 1992-08-27 MY MYPI92001549A patent/MY108370A/en unknown
- 1992-08-27 CA CA002077067A patent/CA2077067C/en not_active Expired - Fee Related
- 1992-08-28 JP JP4230565A patent/JPH0699066A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0699066A (ja) | 1994-04-12 |
| CA2077067C (en) | 1997-03-04 |
| US5256613A (en) | 1993-10-26 |
| EP0529555A1 (de) | 1993-03-03 |
| DE69204783T2 (de) | 1996-02-22 |
| MY108370A (en) | 1996-09-30 |
| MX9204942A (es) | 1993-02-26 |
| ATE127710T1 (de) | 1995-09-15 |
| ES2079118T3 (es) | 1996-01-01 |
| CA2077067A1 (en) | 1993-03-01 |
| EP0529555B1 (de) | 1995-09-13 |
| DE69204783D1 (de) | 1995-10-19 |
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