DE3912932C1 - - Google Patents
Info
- Publication number
- DE3912932C1 DE3912932C1 DE3912932A DE3912932A DE3912932C1 DE 3912932 C1 DE3912932 C1 DE 3912932C1 DE 3912932 A DE3912932 A DE 3912932A DE 3912932 A DE3912932 A DE 3912932A DE 3912932 C1 DE3912932 C1 DE 3912932C1
- Authority
- DE
- Germany
- Prior art keywords
- water
- acetic anhydride
- heavy metals
- acetic acid
- inert substances
- 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 - Lifetime
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910001385 heavy metal Inorganic materials 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3912932A DE3912932C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-04-20 | 1989-04-20 | |
| EP19900105521 EP0396887A1 (de) | 1989-04-20 | 1990-03-23 | Abtrennung von Schwermetallen und organischen Substanzen von Inertstoffen in nicht-wässriger Phase |
| US07/513,279 US5108498A (en) | 1989-04-20 | 1990-04-18 | Method of cleaning debris |
| CA002015089A CA2015089C (en) | 1989-04-20 | 1990-04-20 | Method of cleaning debris |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3912932A DE3912932C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-04-20 | 1989-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3912932C1 true DE3912932C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-06-13 |
Family
ID=6379029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3912932A Expired - Lifetime DE3912932C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-04-20 | 1989-04-20 |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2047260A1 (en) * | 1991-07-16 | 1993-01-17 | Michael M. Hobby | Metal recovery and recycling method and system |
| US5636941A (en) * | 1993-12-17 | 1997-06-10 | Biosafe Landfill Technology, Inc. | Landfill reclamation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH653466A5 (de) * | 1981-09-01 | 1985-12-31 | Industrieorientierte Forsch | Verfahren zur dekontamination von stahloberflaechen und entsorgung der radioaktiven stoffe. |
| NL8401069A (nl) * | 1984-04-04 | 1985-11-01 | Heijmans Wegenbouwmij | Werkwijze voor het zuiveren en ontgiften van grond. |
| NL8603266A (nl) * | 1986-12-23 | 1988-07-18 | Projectbureau Voor Ind Afval P | Werkwijze voor het behandelen van verontreinigde grond. |
| DE3703922A1 (de) * | 1987-02-09 | 1988-08-18 | Sonnenschein Accumulatoren | Verfahren zum entfernen von schwermetallen aus boeden |
| DE3707261A1 (de) * | 1987-03-06 | 1988-09-15 | Lottermoser Manfred | Verfahren zum auslaugen von schwermetallen aus schlamm und minderwertigen erzen |
| DE3716646A1 (de) * | 1987-05-18 | 1988-12-08 | Eugen Dipl Chem Dr Phil Dumont | Entfernung von metallen aus erden, staeuben und schlaemmen |
| DE3816989A1 (de) * | 1987-08-05 | 1989-02-16 | Peroxid Chemie Gmbh | Entseuchung von klaerschlamm |
-
1989
- 1989-04-20 DE DE3912932A patent/DE3912932C1/de not_active Expired - Lifetime
-
1990
- 1990-03-23 EP EP19900105521 patent/EP0396887A1/de not_active Withdrawn
- 1990-04-18 US US07/513,279 patent/US5108498A/en not_active Expired - Fee Related
- 1990-04-20 CA CA002015089A patent/CA2015089C/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| NICHTS ERMITTELT * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2015089A1 (en) | 1990-10-20 |
| CA2015089C (en) | 1998-02-17 |
| EP0396887A1 (de) | 1990-11-14 |
| US5108498A (en) | 1992-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8100 | Publication of patent without earlier publication of application | ||
| D1 | Grant (no unexamined application published) patent law 81 | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: DUMONT, ULRICH, 6732 EDENKOBEN, DE MACHILL, GEB. D |
|
| 8381 | Inventor (new situation) |
Free format text: DUMONT, EUGEN, DIPL.-CHEM. DR.PHIL., 6000 FRANKFURT, (VERSTORBEN), DE |
|
| 8339 | Ceased/non-payment of the annual fee |