DK170610B1 - Fremgangsmåde til fjernelse af industriaffald omfattende natriumsulfat - Google Patents
Fremgangsmåde til fjernelse af industriaffald omfattende natriumsulfat Download PDFInfo
- Publication number
- DK170610B1 DK170610B1 DK530189A DK530189A DK170610B1 DK 170610 B1 DK170610 B1 DK 170610B1 DK 530189 A DK530189 A DK 530189A DK 530189 A DK530189 A DK 530189A DK 170610 B1 DK170610 B1 DK 170610B1
- Authority
- DK
- Denmark
- Prior art keywords
- calcium
- sodium
- sulfate
- process according
- deposit
- Prior art date
Links
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 title claims abstract description 58
- 235000011152 sodium sulphate Nutrition 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 48
- 229910052938 sodium sulfate Inorganic materials 0.000 title claims abstract description 48
- 239000002440 industrial waste Substances 0.000 title claims description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 57
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 54
- 235000002639 sodium chloride Nutrition 0.000 claims abstract description 39
- 239000011780 sodium chloride Substances 0.000 claims abstract description 35
- 235000011132 calcium sulphate Nutrition 0.000 claims abstract description 26
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 24
- 159000000007 calcium salts Chemical class 0.000 claims abstract description 16
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 12
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 12
- 239000001175 calcium sulphate Substances 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002699 waste material Substances 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 14
- 150000004691 decahydrates Chemical class 0.000 claims description 10
- 239000001110 calcium chloride Substances 0.000 claims description 9
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000012452 mother liquor Substances 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 229910001424 calcium ion Inorganic materials 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 239000003517 fume Substances 0.000 abstract 1
- 229940095672 calcium sulfate Drugs 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- XYQRXRFVKUPBQN-UHFFFAOYSA-L Sodium carbonate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]C([O-])=O XYQRXRFVKUPBQN-UHFFFAOYSA-L 0.000 description 6
- -1 calcium cations Chemical class 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007900 aqueous suspension Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 238000009621 Solvay process Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 229940057307 dihydrate calcium sulfate Drugs 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Geology (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
- Removal Of Specific Substances (AREA)
- Fats And Perfumes (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8814100 | 1988-10-26 | ||
| FR8814100A FR2638108B1 (fr) | 1988-10-26 | 1988-10-26 | Procede pour eliminer un residu comprenant du sulfate de sodium |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK530189D0 DK530189D0 (da) | 1989-10-25 |
| DK530189A DK530189A (da) | 1990-04-26 |
| DK170610B1 true DK170610B1 (da) | 1995-11-13 |
Family
ID=9371376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK530189A DK170610B1 (da) | 1988-10-26 | 1989-10-25 | Fremgangsmåde til fjernelse af industriaffald omfattende natriumsulfat |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5135734A (de) |
| EP (1) | EP0366182B1 (de) |
| JP (1) | JP2803863B2 (de) |
| AT (1) | ATE84735T1 (de) |
| CA (1) | CA1339624C (de) |
| DE (1) | DE68904521T2 (de) |
| DK (1) | DK170610B1 (de) |
| ES (1) | ES2037406T3 (de) |
| FR (1) | FR2638108B1 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5654351A (en) * | 1990-12-18 | 1997-08-05 | Ormiston Mining And Smelting Co. Ltd. | Method for sodium carbonate compound recovery and formation of ammonium sulfate |
| US5463165A (en) * | 1993-12-20 | 1995-10-31 | Mobil Oil Corporation | Scrubbing of oilfield waste gas in subterranean formations |
| US5830422A (en) * | 1995-06-23 | 1998-11-03 | Ormiston Mining And Smelting Co. Ltd. | Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate |
| US5575922A (en) * | 1995-06-30 | 1996-11-19 | Solvay Minerals, Inc. | Method for treating mine water using caustic soda |
| FR2740354B1 (fr) * | 1995-10-31 | 1997-11-28 | Rhone Poulenc Chimie | Procede de traitement de fumees a base d'oxydes de soufre |
| US6328938B1 (en) * | 1996-06-03 | 2001-12-11 | Timothy L. Taylor | Manufacture of titanium dioxide with recycle of waste metal chloride stream |
| US6106796A (en) * | 1998-10-13 | 2000-08-22 | Airborne Technologies Inc. | Method of ammonium sulfate purification |
| US6692716B1 (en) | 1998-10-13 | 2004-02-17 | Airborne Industrial Minerals, Inc. | Method of formulating alkali earth salts |
| US6137028A (en) * | 1998-12-22 | 2000-10-24 | Snow; Daniel Wayne | Method for the disposal of oil field wastes contaminated with naturally occurring radioactive materials (NORM) |
| JP4820729B2 (ja) * | 2006-10-05 | 2011-11-24 | 株式会社トクヤマ | 珪酸カルシウムの製造方法 |
| DE102009030902A1 (de) * | 2009-06-12 | 2010-12-16 | Drysotec Gmbh | Verfahren zur Behandlung vom Schwefeloxide enthaltenden Abgasen |
| CN101943008A (zh) * | 2010-08-26 | 2011-01-12 | 中国瑞林工程技术有限公司 | 一种残采矿山矿柱加固方法 |
| CN102936021B (zh) * | 2012-11-27 | 2015-03-18 | 江苏井神盐化股份有限公司 | 含氯化钙的水溶液用于钙芒硝资源的转化开采的用途及钙芒硝资源的转化开采方法 |
| EP3064473A1 (de) * | 2015-03-02 | 2016-09-07 | Solvay SA | Verfahren zur herstellung einer wässrigen natriumchloridlösung |
| CN212315566U (zh) | 2019-05-22 | 2021-01-08 | 索尔维公司 | 硫酸钠回收设备 |
| KR20230096892A (ko) * | 2021-12-22 | 2023-06-30 | 재단법인 포항산업과학연구원 | 황산나트륨을 함유하는 산업부산물로부터 탄산수소나트륨의 제조장치 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443889A (en) * | 1964-08-17 | 1969-05-13 | Kaiser Aluminium Chem Corp | Method of synthesis of alkali metal salts |
| US3724898A (en) * | 1971-03-29 | 1973-04-03 | Int Salt Co | Solution mining of salt and storage of industrial fluids |
| GB1496683A (en) * | 1974-05-03 | 1977-12-30 | Ici Ltd | Manufacture of calcium sulphate alphahemihydrate |
| DE2721878A1 (de) * | 1977-05-14 | 1978-11-23 | Metallgesellschaft Ag | Verfahren zur rauchgasentschwefelung |
| DE2820357A1 (de) * | 1978-05-10 | 1979-11-15 | Metallgesellschaft Ag | Verfahren zum entfernen von schwefeloxiden aus verbrennungsabgasen |
| US4223949A (en) * | 1979-01-04 | 1980-09-23 | Olin Corporation | Process for disposal of sulfate containing brines from diaphragm cell caustic evaporator systems |
| DE3141884C2 (de) * | 1981-10-22 | 1986-06-19 | Wintershall Ag, 3100 Celle | Verfahren zur Endlagerung von pumpfähigen Abfallstoffen |
| DE3243594C2 (de) * | 1982-11-25 | 1986-06-05 | Wintershall Ag, 3100 Celle | Verfahren zum Deponieren flüssiger Abfallstoffe in Salzlagerstätten |
| DE3411998A1 (de) * | 1984-03-31 | 1985-10-03 | Wintershall Ag, 3100 Celle | Verfahren zum ein- oder endlagern von festen, kleinteiligen abfallstoffen in salzkavernen |
| CA1238792A (en) * | 1984-03-31 | 1988-07-05 | Walter Lindorfer | Process for dumping of particulate solid or pumpable solid and liquid waste materials in underground salt enclosed cavities, in particular salt caverns |
| DE3601428A1 (de) * | 1986-01-20 | 1987-07-23 | Wintershall Ag | Verfahren zur vorbehandlung von festen und zu verfestigenden abfallstoffen zur einfuehrung in untertaegige salzhohlraeume oder salzkavernen ueber ein fallrohr im freien fall |
| US4724130A (en) * | 1986-07-28 | 1988-02-09 | Conoco Inc. | Recovery of promoters used in flue gas desulfurization |
-
1988
- 1988-10-26 FR FR8814100A patent/FR2638108B1/fr not_active Expired - Fee Related
-
1989
- 1989-09-28 CA CA000614149A patent/CA1339624C/fr not_active Expired - Fee Related
- 1989-10-13 US US07/421,341 patent/US5135734A/en not_active Expired - Fee Related
- 1989-10-17 EP EP89202615A patent/EP0366182B1/de not_active Expired - Lifetime
- 1989-10-17 DE DE8989202615T patent/DE68904521T2/de not_active Expired - Lifetime
- 1989-10-17 AT AT89202615T patent/ATE84735T1/de not_active IP Right Cessation
- 1989-10-17 ES ES198989202615T patent/ES2037406T3/es not_active Expired - Lifetime
- 1989-10-25 DK DK530189A patent/DK170610B1/da not_active IP Right Cessation
- 1989-10-25 JP JP1278302A patent/JP2803863B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2803863B2 (ja) | 1998-09-24 |
| FR2638108B1 (fr) | 1991-02-08 |
| DK530189D0 (da) | 1989-10-25 |
| DE68904521D1 (de) | 1993-03-04 |
| CA1339624C (fr) | 1998-01-20 |
| US5135734A (en) | 1992-08-04 |
| ATE84735T1 (de) | 1993-02-15 |
| DK530189A (da) | 1990-04-26 |
| ES2037406T3 (es) | 1993-06-16 |
| JPH02243509A (ja) | 1990-09-27 |
| EP0366182A1 (de) | 1990-05-02 |
| EP0366182B1 (de) | 1993-01-20 |
| DE68904521T2 (de) | 1993-07-15 |
| FR2638108A1 (fr) | 1990-04-27 |
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