DE2830897C2 - - Google Patents
Info
- Publication number
- DE2830897C2 DE2830897C2 DE2830897A DE2830897A DE2830897C2 DE 2830897 C2 DE2830897 C2 DE 2830897C2 DE 2830897 A DE2830897 A DE 2830897A DE 2830897 A DE2830897 A DE 2830897A DE 2830897 C2 DE2830897 C2 DE 2830897C2
- Authority
- DE
- Germany
- Prior art keywords
- filter residue
- dried
- silicate
- phosphoric acid
- filter
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 58
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 15
- 238000005299 abrasion Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 13
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052770 Uranium Inorganic materials 0.000 claims description 11
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052720 vanadium Inorganic materials 0.000 claims description 11
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000001488 sodium phosphate Substances 0.000 claims description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 9
- 229910052753 mercury Inorganic materials 0.000 claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 8
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 8
- 235000019800 disodium phosphate Nutrition 0.000 claims description 8
- 239000010440 gypsum Substances 0.000 claims description 8
- 229910052602 gypsum Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical compound [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 claims description 6
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 6
- 235000019792 magnesium silicate Nutrition 0.000 claims description 6
- 239000000391 magnesium silicate Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052793 cadmium Inorganic materials 0.000 claims description 5
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 4
- 229940117975 chromium trioxide Drugs 0.000 claims description 4
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 239000010431 corundum Substances 0.000 claims description 4
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 4
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- 235000011008 sodium phosphates Nutrition 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 239000011737 fluorine Substances 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000004576 sand Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- -1 Iron aluminum magnesium Chemical compound 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- CBBVHSHLSCZIHD-UHFFFAOYSA-N mercury silver Chemical compound [Ag].[Hg] CBBVHSHLSCZIHD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 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
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/085—Aggregate or filler materials therefor; Coloured reflecting or luminescent additives therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7708196A NL7708196A (en) | 1977-07-22 | 1977-07-22 | Treatment of filter cakes, esp. from phosphoric acid purificn. - by drying and heating with inorganic melt |
| NL7714456A NL7714456A (en) | 1977-12-27 | 1977-12-27 | Treatment of filter cakes, esp. from phosphoric acid purificn. - by drying and heating with inorganic melt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2830897A1 DE2830897A1 (de) | 1979-02-01 |
| DE2830897C2 true DE2830897C2 (OSRAM) | 1988-01-21 |
Family
ID=26645335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782830897 Granted DE2830897A1 (de) | 1977-07-22 | 1978-07-13 | Verfahren fuer die behandlung von aus mehreren stoffen zusammengesetzten, nassen filterrueckstaenden |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4272293A (OSRAM) |
| BE (1) | BE869169A (OSRAM) |
| DE (1) | DE2830897A1 (OSRAM) |
| FR (1) | FR2397858A1 (OSRAM) |
| GB (1) | GB2001948B (OSRAM) |
| IL (1) | IL55175A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827086A1 (de) * | 1988-08-10 | 1990-02-15 | Atzger Juergen | Verfahren und vorrichtung zur thermischen entkontaminierung von filterstaeuben und anderen reststoffen |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536433A1 (fr) * | 1982-11-19 | 1984-05-25 | Privat Michel | Procede et installation de nettoyage et decontamination particulaire de vetements, notamment de vetements contamines par des particules radioactives |
| NL8403501A (nl) * | 1984-11-15 | 1986-06-02 | Pelt & Hooykaas | Werkwijze voor het omzetten in onschadelijke vorm van bij chemische of fysische werkwijzen vrijkomende deeltjes door mengen met een gesmolten silicaathoudend materiaal alsmede gevormd materiaal. |
| USH59H (en) | 1984-12-21 | 1986-05-06 | The United States Of America As Represented By The United States Department Of Energy | Process for converting magnesium fluoride to calcium fluoride |
| DE3716231A1 (de) * | 1987-05-14 | 1988-12-01 | Krupp Gmbh | Thermische aufarbeitung von schuettfaehigen feststoffen mit schwermetallverbindungen und toxischen kohlenwasserstoffen |
| US4820325A (en) * | 1987-10-22 | 1989-04-11 | Stauffer Chemical Company | Treatment of toxicant-impregnated filter cake |
| DE3841219A1 (de) * | 1988-12-07 | 1990-06-13 | Siemens Ag | Verfahren zur behandlung von mit schwermetallen belastetem muell |
| GB8920636D0 (en) * | 1989-09-12 | 1989-10-25 | Tdr International Sarl | Disposal of spent catalyst by vitrification |
| DE4013720C2 (de) * | 1990-04-28 | 1994-05-19 | Huels Chemische Werke Ag | Verfahren zur Verwertung von gebrauchten DeNOx-Katalysatoren |
| DE4116334A1 (de) * | 1991-05-18 | 1992-03-19 | Diethelm Klose | Silicatische bindung feinteiliger metall-/schwermetalloxide bei exo-/endothermen prozessen >= 700(grad)c bis <= 1400(grad)c durch zusatz von silicaten, die in diesem temperaturbereich erweichen/schmelzen |
| US5434333A (en) * | 1992-09-18 | 1995-07-18 | The United States Of America As Represented By The United States Department Of Energy | Method for treating materials for solidification |
| DE4331352A1 (de) * | 1993-09-15 | 1995-03-16 | Melania Dipl Ing Dr Savos | Rohstoffe zur Glas- und Keramikproduktion sowie Verfahren zu ihrer Herstellung |
| DE19612700A1 (de) * | 1995-11-14 | 1997-05-15 | Leo Dr Ing Schumacher | Verfahren zur Verglasung von Filterasche |
| US8734560B2 (en) | 2010-09-10 | 2014-05-27 | Harsco Corporation | Agricultural blend and process of forming an agricultural blend |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US837918A (en) * | 1905-03-22 | 1906-12-11 | Heinrich Colloseus | Process for manufacturing cement from blast-furnace slag. |
| US2528103A (en) * | 1946-01-07 | 1950-10-31 | Robert M Willson | Method of producing sulfuric acid and hydraulic cement from gypsum |
| US3684539A (en) * | 1969-12-10 | 1972-08-15 | George A Bartholomew | Method of adding oxygen containing metallic compounds to a molten metallurgical slag |
| US3642445A (en) * | 1970-04-30 | 1972-02-15 | Us Interior | Utilization of coal-burning power plant by-products |
| US3718003A (en) * | 1971-11-24 | 1973-02-27 | American Cyanamid Co | Process for producing land-fills |
-
1978
- 1978-07-13 DE DE19782830897 patent/DE2830897A1/de active Granted
- 1978-07-17 FR FR7821189A patent/FR2397858A1/fr active Granted
- 1978-07-17 US US05/925,366 patent/US4272293A/en not_active Expired - Lifetime
- 1978-07-19 IL IL55175A patent/IL55175A/xx unknown
- 1978-07-20 BE BE189415A patent/BE869169A/xx not_active IP Right Cessation
- 1978-07-24 GB GB7830927A patent/GB2001948B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827086A1 (de) * | 1988-08-10 | 1990-02-15 | Atzger Juergen | Verfahren und vorrichtung zur thermischen entkontaminierung von filterstaeuben und anderen reststoffen |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2001948B (en) | 1982-02-10 |
| DE2830897A1 (de) | 1979-02-01 |
| FR2397858A1 (fr) | 1979-02-16 |
| BE869169A (nl) | 1979-01-22 |
| GB2001948A (en) | 1979-02-14 |
| US4272293A (en) | 1981-06-09 |
| FR2397858B1 (OSRAM) | 1983-08-26 |
| IL55175A (en) | 1983-10-31 |
| IL55175A0 (en) | 1978-09-29 |
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