ZA200309893B - A method for the removal of metals from an aqueous solution using lime precipitation. - Google Patents
A method for the removal of metals from an aqueous solution using lime precipitation. Download PDFInfo
- Publication number
- ZA200309893B ZA200309893B ZA200309893A ZA200309893A ZA200309893B ZA 200309893 B ZA200309893 B ZA 200309893B ZA 200309893 A ZA200309893 A ZA 200309893A ZA 200309893 A ZA200309893 A ZA 200309893A ZA 200309893 B ZA200309893 B ZA 200309893B
- Authority
- ZA
- South Africa
- Prior art keywords
- neutralization
- stage
- solution
- gypsum
- metals
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 30
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 30
- 239000004571 lime Substances 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 150000002739 metals Chemical class 0.000 title claims abstract description 20
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 16
- 238000001556 precipitation Methods 0.000 title claims abstract description 11
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 62
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 22
- 239000010440 gypsum Substances 0.000 claims abstract description 22
- 238000005554 pickling Methods 0.000 claims abstract description 14
- 239000002244 precipitate Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000012527 feed solution Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000008267 milk Substances 0.000 claims description 5
- 210000004080 milk Anatomy 0.000 claims description 5
- 235000013336 milk Nutrition 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 150000002222 fluorine compounds Chemical class 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 2
- 230000003311 flocculating effect Effects 0.000 claims description 2
- 150000004679 hydroxides Chemical class 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 7
- 229910000000 metal hydroxide Inorganic materials 0.000 abstract description 3
- 150000004692 metal hydroxides Chemical class 0.000 abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 241001210472 Medicago italica Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
- C02F1/64—Heavy metal compounds of iron or manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Extraction Or Liquid Replacement (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20011413A FI115533B (fi) | 2001-06-29 | 2001-06-29 | Menetelmä metallien poistamiseksi vesiliuoksista kalkkisaostuksella |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200309893B true ZA200309893B (en) | 2004-08-11 |
Family
ID=8561543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200309893A ZA200309893B (en) | 2001-06-29 | 2003-12-22 | A method for the removal of metals from an aqueous solution using lime precipitation. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US7247282B2 (fr) |
| EP (1) | EP1412546B1 (fr) |
| JP (1) | JP2004530559A (fr) |
| CN (1) | CN100420759C (fr) |
| AT (1) | ATE319864T1 (fr) |
| AU (1) | AU2002352521B2 (fr) |
| BG (1) | BG66305B1 (fr) |
| BR (1) | BR0210735B1 (fr) |
| CA (1) | CA2450345C (fr) |
| DE (1) | DE60209739T2 (fr) |
| EA (1) | EA005306B1 (fr) |
| ES (1) | ES2259714T3 (fr) |
| FI (1) | FI115533B (fr) |
| MX (1) | MXPA03011778A (fr) |
| PE (1) | PE20030030A1 (fr) |
| PL (1) | PL196851B1 (fr) |
| WO (1) | WO2003002774A1 (fr) |
| ZA (1) | ZA200309893B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20030612A (fi) * | 2003-04-23 | 2004-10-24 | Outokumpu Oy | Menetelmä metallurgisessa prosessissa syntyvän jätemateriaalin käsittelemiseksi |
| US20090145856A1 (en) * | 2007-12-11 | 2009-06-11 | Raymond Letize A | Acid recycle process with iron removal |
| RU2448054C2 (ru) * | 2010-07-08 | 2012-04-20 | Государственное образовательное учреждение высшего профессионального образования "Орловский государственный технический университет" (ОрелГТУ) | Способ очистки кислых сточных вод от сульфатов тяжелых металлов |
| JP5867165B2 (ja) * | 2012-03-02 | 2016-02-24 | 住友金属鉱山株式会社 | 排水中に含まれるニッケルの検出方法 |
| CN102814058B (zh) * | 2012-09-17 | 2014-07-16 | 工信华鑫科技有限公司 | 通过重金属吸附材料实现镍镁分离、富集、提纯的方法 |
| AU2018336108A1 (en) * | 2017-09-20 | 2020-04-09 | Smr Technologies Limited | Suitable reagent for the treatment of high-sulphate waters |
| CN109111081B (zh) * | 2018-09-06 | 2021-12-14 | 安徽省通源环境节能股份有限公司 | 一种污泥高干脱水及脱水滤液预处理工艺及其处理系统 |
| AU2020239801B2 (en) * | 2019-10-28 | 2022-06-16 | China Enfi Engineering Corporation | Method for treating metal-containing solution |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3375066A (en) * | 1963-08-24 | 1968-03-26 | Yawata Chem Ind Co Ltd | Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound |
| SE351444B (fr) * | 1970-11-03 | 1972-11-27 | Nordstjernan Rederi Ab | |
| SU565075A1 (ru) * | 1974-06-11 | 1977-07-15 | Уральский ордена Трудового Красного Знамени политехнический институт им.С.М.Кирова | Способ регенерации отработанных азотноплавиковых травильных растворов |
| CA1040868A (fr) | 1975-04-02 | 1978-10-24 | Inco Ltd. | Recuperation des metaux utiles en solution par neutralisation a l'aide de chaux ou de calcaire |
| US4606829A (en) * | 1984-06-13 | 1986-08-19 | Bethlehem Steel Corporation | Removal of complexed zinc-cyanide from wastewater with improved sludge stability |
| CN86205151U (zh) * | 1986-07-19 | 1987-08-26 | 山西省榆次市环境保护设备厂 | 酸性污水连续处理机 |
| DE3822953A1 (de) | 1988-07-07 | 1990-01-11 | Ulrich Dipl Ing Schwarz | Verfahren zur regeneration eines eisen- und/oder zinkhaltigen salzsaeurebades |
| SU1696569A1 (ru) * | 1989-02-17 | 1991-12-07 | Предприятие П/Я М-5314 | Способ нейтрализации отработанного раствора на основе плавиковой кислоты |
| US5120447A (en) * | 1991-03-06 | 1992-06-09 | Gte Products Corporation | Method for removing heavy metals from wastewater |
| CN2101670U (zh) * | 1991-09-16 | 1992-04-15 | 烟台市环境保护技术应用所 | 除去废水中重金属离子的装置 |
| US5403495A (en) * | 1992-03-13 | 1995-04-04 | Tetra Technologies, Inc. | Fluoride removal system |
| US5266210A (en) * | 1992-04-15 | 1993-11-30 | Mclaughlin Water Engineers, Ltd. | Process for removing heavy metals from water |
| SE508836C2 (sv) * | 1993-04-20 | 1998-11-09 | Boliden Contech Ab | Förfarande för rening av industriellt avloppsvatten genom utfällning i två steg |
| US5753125A (en) * | 1995-05-19 | 1998-05-19 | Kreisler; Lawrence | Method for recovering and separating metals from waste streams |
| US6419834B1 (en) * | 1997-07-02 | 2002-07-16 | Csir | Treatment of acidic water containing dissolved ferrous cations |
| SE514409C2 (sv) | 1999-06-17 | 2001-02-19 | Boliden Mineral Ab | Förfarande för total utfällning av värdemetaller ur en sur laklösning |
| DE10003495C2 (de) * | 2000-01-27 | 2003-04-03 | Wacker Polymer Systems Gmbh | Hydrophobierungsmittel zur Hydrophobierung von gipsgebundenen Baustoffen, Verfahren zu dessen Herstellung sowie dessen Verwendung |
-
2001
- 2001-06-29 FI FI20011413A patent/FI115533B/fi not_active IP Right Cessation
-
2002
- 2002-06-14 PL PL366544A patent/PL196851B1/pl unknown
- 2002-06-14 AT AT02751200T patent/ATE319864T1/de not_active IP Right Cessation
- 2002-06-14 BR BRPI0210735-0A patent/BR0210735B1/pt not_active IP Right Cessation
- 2002-06-14 EP EP02751200A patent/EP1412546B1/fr not_active Expired - Lifetime
- 2002-06-14 CN CNB028130847A patent/CN100420759C/zh not_active Expired - Lifetime
- 2002-06-14 JP JP2003508738A patent/JP2004530559A/ja not_active Abandoned
- 2002-06-14 MX MXPA03011778A patent/MXPA03011778A/es active IP Right Grant
- 2002-06-14 WO PCT/FI2002/000523 patent/WO2003002774A1/fr active IP Right Grant
- 2002-06-14 AU AU2002352521A patent/AU2002352521B2/en not_active Expired
- 2002-06-14 ES ES02751200T patent/ES2259714T3/es not_active Expired - Lifetime
- 2002-06-14 CA CA2450345A patent/CA2450345C/fr not_active Expired - Lifetime
- 2002-06-14 DE DE60209739T patent/DE60209739T2/de not_active Expired - Lifetime
- 2002-06-14 EA EA200400100A patent/EA005306B1/ru not_active IP Right Cessation
- 2002-06-14 US US10/481,844 patent/US7247282B2/en not_active Expired - Lifetime
- 2002-06-25 PE PE2002000554A patent/PE20030030A1/es active IP Right Grant
-
2003
- 2003-12-09 BG BG108431A patent/BG66305B1/bg unknown
- 2003-12-22 ZA ZA200309893A patent/ZA200309893B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004530559A (ja) | 2004-10-07 |
| CA2450345C (fr) | 2010-04-06 |
| MXPA03011778A (es) | 2004-04-02 |
| PE20030030A1 (es) | 2003-03-11 |
| CN1535321A (zh) | 2004-10-06 |
| BG108431A (en) | 2005-04-30 |
| US7247282B2 (en) | 2007-07-24 |
| BR0210735B1 (pt) | 2011-11-16 |
| BR0210735A (pt) | 2004-07-20 |
| AU2002352521B2 (en) | 2007-11-22 |
| EP1412546B1 (fr) | 2006-03-08 |
| WO2003002774A1 (fr) | 2003-01-09 |
| US20040195183A1 (en) | 2004-10-07 |
| FI20011413A (fi) | 2002-12-30 |
| DE60209739D1 (de) | 2006-05-04 |
| CN100420759C (zh) | 2008-09-24 |
| EA200400100A1 (ru) | 2004-04-29 |
| CA2450345A1 (fr) | 2003-01-09 |
| BG66305B1 (bg) | 2013-03-29 |
| ATE319864T1 (de) | 2006-03-15 |
| PL196851B1 (pl) | 2008-02-29 |
| ES2259714T3 (es) | 2006-10-16 |
| FI115533B (fi) | 2005-05-31 |
| DE60209739T2 (de) | 2006-08-17 |
| EA005306B1 (ru) | 2004-12-30 |
| EP1412546A1 (fr) | 2004-04-28 |
| PL366544A1 (en) | 2005-02-07 |
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