WO2001002105A1 - Soil and/or groundwater remediation process - Google Patents
Soil and/or groundwater remediation process Download PDFInfo
- Publication number
- WO2001002105A1 WO2001002105A1 PCT/US2000/017231 US0017231W WO0102105A1 WO 2001002105 A1 WO2001002105 A1 WO 2001002105A1 US 0017231 W US0017231 W US 0017231W WO 0102105 A1 WO0102105 A1 WO 0102105A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oxidizing agent
- source
- situ environment
- reagent
- contaminants
- 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.)
- Ceased
Links
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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F2103/06—Contaminated groundwater or leachate
Definitions
- the present invention is directed to methods and systems for converting
- the methods and systems include treatment of the contaminants with a
- PCDD polychlorinated dibenzo-p-dioxins
- PCDF polychlorinated dibenzofurans
- the preferred metal catalysts include metal salts, iron oxyhydroxides, iron chelates,
- reaction product complex is highly acidic with a pH in the range of 2 to 4, which is
- AOPs in ex situ advanced oxidation processes
- the metal catalyst can travel from the injection point throughout the aerial extent of the
- turnover rate of the metal catalyst is moderated in order to promote more efficient
- the present invention is directed to reagents and methods for treating
- treating contaminants in an in situ environment comprising adding a source of an
- oxidizing agent preferably a stabilized source of oxidizing agent, capable of oxidizing
- a reagent comprising an aqueous solution of a metal catalyst having a pH in the
- the present method is applicable to all areas of the in situ environment
- the stabilized oxidizing agent in accordance with a further aspect of the invention, the stabilized oxidizing
- the capillary fringe is that portion of the
- oxidizing agent and the catalytic reagent are injected into an area of the subsurface
- the saturated unconsolidated zone environment known as the saturated unconsolidated zone.
- unconsolidated zone is that portion of the contamination at a site which lies within the
- the catalytic reagent are injected at elevated pressures into the fractured bedrock to
- catalytic reagent are injected into an situ environment to enhance the operation and
- the present invention enhances these conventional systems that
- the present invention is generally directed to methods and systems for removing
- PCBs polychorinated biphenyls
- PCP pentachlorophenol
- remediation of a contaminated environment in situ is performed by providing a reagent
- an oxidizing agent such as a peroxide and preferably hydrogen
- reagent reacts in situ to form a reactive species (e.g. hydoxyl radical), as hereinafter
- stabilized source of the oxidizing agent are alternately injected (i.e. in cycles) into the
- catalytic reagent and the stabilized source of the oxidizing agent are continuously
- the catalytic reagent is the first injection in the
- stabilized source of the oxidizing agent is the first injection in the soil and/or
- the catalytic reagent is injected into the in situ environment in at
- substantially pH neutral catalytic reagent provides better dispersion of reagents in the
- the present catalytic reagent moderates the catalytic turnover rate
- the oxidation efficiency of the reagent of the present invention is
- the sources of oxidizing agents employed in the present invention are those that
- calcium peroxide can be used as an effective source of oxidizing agent for
- Hydrogen peroxide is the
- Ozone Another suitable source of the oxidizing agent is ozone. Ozone has previously
- Ozone under well known conditions can generate hydroxyl
- radicals which is a preferred oxidizing agent.
- oxidizing agent be capable of generating hydroxyl radicals in sufficient quantity to
- the source of the oxidizing agent e.g. peroxide
- the source of the oxidizing agent is preferably
- stabilized peroxide is used at a
- Suitable stabilizers include acids and salts thereof.
- the catalytic reagent employed in the present invention is obtained by mixing an
- the resulting solution may be neutralized with a pH modifying agent
- Suitable catalysts include metal
- Preferred metal salts include iron (II) and (III) salts, copper (II) salts and
- manganese (II) salts are selected from the group consisting of
- ferric nitrate Preferred iron oxyhydroxides include goethite, hematite and magnetite.
- chelates i n include , for exa mple , Fe(l l/l 11 )-EDTA, Fe( I l/l 11 )-NTA, Fe(ll/III)-hydroxyethyliminodiaceticacid (HEIDA), Fe(ll/III)-mucicacid, Fe(ll/lll)-malonic
- Fe(ll/lll)-oxalic acid Fe(ll/lll)-gallicacid, Fe(ll/lll)-picolinicacid, Fe(ll/lll)-dipicolinicacid,
- Fe(ll/lll)-hexaketocyclohexane (HKCH).
- the most preferred catalyst is iron sulfate or
- pH modifying agents include strong bases such as alkali metal hydroxides (e.g.
- weak bases such as salts of weak acids (e.g. sodium acetate
- the in situ environment for most soil and/or groundwater sites includes a water
- the capillary fringe is that portion of the
- vadose region which lies just above the water table.
- the capillary fringe is formed by contact between the water table and the dry
- LNAPLs having a density less than water (e.g. BTEX contamination) due to the
- water table elevation may deposit additional contamination in the capillary fringe and/or
- reagent can be administered to the in situ environment by any method considered
- administration can be directly into the
- the capillary fringe constitutes the in situ environment for treatment
- DNAPLs mostly resides at or near the bottom of the saturated zone due to its tendency to sink in water (e.g. chlorinated solvents).
- water e.g. chlorinated solvents
- the saturated zone constitutes the in situ environment for treatment of the
- oxidizing agent and catalytic reagent are administered into the bottom layers of the
- the saturation depth or depth of the saturated zone is very high at some
- source of the oxidizing agent and catalytic reagent are administered.
- source of the oxidizing agent and catalytic reagent are administered.
- injection wells with adjustable depth injectors are utilized at sites with high saturation
- the depth variation is performed after each
- the reagents of the present invention can be any suitable reagents of the present invention.
- the reagents of the present invention can be any suitable reagents of the present invention.
- the reagents are then injected into the fractures at applied elevated
- pressures typically in the range of from about 20 to 100 psi.
- bedrock fractures under elevated pressures can be accomplished either alone or in
- Such systems include pump and
- the stabilized source of the oxidizing agent and the metal found in many subsurface environments. As indicated above, the stabilized source of the oxidizing agent and the metal
- catalyst reagent can be administered directly into the in situ environment.
- catalyst reagent can be administered directly into the in situ environment.
- the concentration of the contaminants of interest e.g. hydrocarbons.
- Typical sample weights can be in the range of from
- a catalyst such as a chelated iron (II) salt is premixed with water
- a pH adjusting agent such as a base
- the metal catalyst reagent within a pH range of from about 5 to 8.
- a control sample is set up for each type of sample undergoing the study to
- reagent may be performed under both applied and hydrostatic pressure into the in situ
- the stabilized source of the oxidizing agent and metal catalyst e.g. clays and/or silts.
- reagent may be injected into the subsurface and allowed to disperse over a period of
- period may vary depending, in part, on the soil type.
- injection procedures are preferably associated with a
- a typical system involves injection wells installed with screens set
- the pumping system can include a low horsepower pump at
- source of the oxidizing agent and catalytic reagent may be pumped in short pulse
- the injection efficiency into less permeable soils is improved by subjecting the less
- the stabilized source of the oxidizing agent and metal catalyst is less dense than water, the stabilized source of the oxidizing agent and metal catalyst
- reagent are injected directly into the capillary fringe, located just above the water table.
- the stabilized source of the oxidizing agent As previously indicated, the stabilized source of the oxidizing agent and the
- catalytic reagent are alternately injected (i.e. in cycles) into the in situ environment.
- the stabilized source of the oxidizing agent and the catalytic reaction is another embodiment, the stabilized source of the oxidizing agent and the catalytic reaction.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
- Cultivation Of Plants (AREA)
- Road Paving Structures (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE60041772T DE60041772D1 (de) | 1999-07-01 | 2000-06-22 | Verfahren zur boden- und/oder grundwassersanierung |
| JP2001507588A JP3793084B2 (ja) | 1999-07-01 | 2000-06-22 | 土壌及び/又は地下水の改善方法 |
| AU57593/00A AU780219B2 (en) | 1999-07-01 | 2000-06-22 | Soil and/or groundwater remediation process |
| CA002370097A CA2370097C (en) | 1999-07-01 | 2000-06-22 | Soil and/or groundwater remediation process |
| EP00943068A EP1212149B1 (en) | 1999-07-01 | 2000-06-22 | Soil and/or groundwater remediation process |
| DK00943068T DK1212149T3 (da) | 1999-07-01 | 2000-06-22 | Fremgangsmåde til jord- og/eller grundvandsoprydning |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/345,922 US6319328B1 (en) | 1999-07-01 | 1999-07-01 | Soil and/or groundwater remediation process |
| US09/345,922 | 1999-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001002105A1 true WO2001002105A1 (en) | 2001-01-11 |
Family
ID=23357109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2000/017231 Ceased WO2001002105A1 (en) | 1999-07-01 | 2000-06-22 | Soil and/or groundwater remediation process |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US6319328B1 (enExample) |
| EP (1) | EP1212149B1 (enExample) |
| JP (1) | JP3793084B2 (enExample) |
| AT (1) | ATE424942T1 (enExample) |
| AU (1) | AU780219B2 (enExample) |
| CA (1) | CA2370097C (enExample) |
| DE (1) | DE60041772D1 (enExample) |
| DK (1) | DK1212149T3 (enExample) |
| ES (1) | ES2322540T3 (enExample) |
| WO (1) | WO2001002105A1 (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002254062A (ja) * | 2001-02-28 | 2002-09-10 | Shimizu Corp | 有機物汚染土壌の原位置修復法と修復装置 |
| WO2011042884A1 (fr) | 2009-10-09 | 2011-04-14 | Total S.A. | Procédé d'oxydation de composes organiques |
| EP1647529B1 (en) * | 2003-08-22 | 2015-09-30 | Peroxychem Spain, S.L.U. | Method for purifying wastewaters |
| AU2020203659B2 (en) * | 2018-10-15 | 2021-04-08 | Anthony Doherty | Method of treating contaminated groundwater |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7338563B2 (en) * | 1996-10-16 | 2008-03-04 | Clark Steve L | Process for cleaning hydrocarbons from soils |
| US6923914B2 (en) * | 1996-12-17 | 2005-08-02 | Global Biosciences, Inc. | Remediation of metal contaminants with hydrocarbon-utilizing bacteria |
| US7270499B2 (en) * | 1998-04-20 | 2007-09-18 | Greenberg Richard S | Soil and/or groundwater remediation process |
| RS49639B (sr) * | 1998-05-14 | 2007-08-03 | Soll, Peter, | Primena peroksida alkalnozemnih metala za imobilisanje fosfata u vodama, tlu, talozima i/ili mulju |
| FR2806939B1 (fr) * | 2000-03-30 | 2002-12-06 | Patrice Jean Albert Stengel | Procede et dispositif de depollution des sables ou des terres souilles par des hydrocarbures ou des germes infectieux |
| US6630105B1 (en) * | 2000-09-27 | 2003-10-07 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for the gas phase decontamination of chemical and biological agents |
| DE10114177A1 (de) * | 2001-03-23 | 2002-09-26 | Degussa | Verfahren zur Aufbereitung schadstoffhaltiger Wässer |
| US7329532B2 (en) | 2001-07-27 | 2008-02-12 | Global Biosciences, Inc. | Remediation of sulfur-containing pollutants with hydrocarbon-utilizing bacteria |
| US7928277B1 (en) | 2002-02-11 | 2011-04-19 | Cox Jr Henry Wilmore | Method for reducing contamination |
| AU2003215360A1 (en) * | 2002-02-22 | 2003-09-09 | University Of Utah Research Foundation | Remediation with ozone of sediments containing organic contaminants |
| WO2004002902A1 (en) * | 2002-06-26 | 2004-01-08 | Fmc Corporation | Oxidation of organic compounds |
| AUPS329702A0 (en) * | 2002-07-01 | 2002-07-18 | Sdp Pty Ltd | Method of soil geochemistry analysis prospecting |
| US6960330B1 (en) | 2002-07-12 | 2005-11-01 | Cox Jr Henry Wilmore | Method for reducing H2S contamination |
| US7074959B2 (en) | 2002-08-01 | 2006-07-11 | New Mexico Highlands University | Methods and systems for remediating hydrazine-contaminated equipment and/or surfaces |
| US7175770B2 (en) * | 2003-03-17 | 2007-02-13 | Groundwater And Environmental Services, Inc. | Methods and systems for groundwater remediation |
| US7264419B2 (en) * | 2003-03-19 | 2007-09-04 | Applied Process Technology, Inc. | System and method for remediating contaminated soil and groundwater in situ |
| US20040197150A1 (en) * | 2003-04-04 | 2004-10-07 | Xpert Design And Diagnostics, Llc | Chemical oxidation of organic and inorganic contaminants by chelated transition metals catalyzed persulfate |
| US7160471B2 (en) * | 2003-05-06 | 2007-01-09 | Westinghouse Savannah River Company, Llc | In-situ generation of oxygen-releasing metal peroxides |
| US7662294B1 (en) | 2004-02-02 | 2010-02-16 | Cox Jr Henry Wilmore | Method for reducing organic contamination |
| HUE035667T2 (en) * | 2004-05-27 | 2018-05-28 | Solvay | Combined chemical oxidation / facilitated bioremediation of contaminants |
| US7833423B2 (en) * | 2004-06-01 | 2010-11-16 | Regenesis Bioremediation Products | Enhanced oxidation process for removal of water and soil contaminants |
| JP4596524B2 (ja) * | 2004-10-08 | 2010-12-08 | オルガノ株式会社 | 汚染土壌浄化方法 |
| US7481974B2 (en) * | 2005-02-17 | 2009-01-27 | Charles Sizer | Method and apparatus for sterilizing containers |
| WO2006123574A1 (ja) * | 2005-05-19 | 2006-11-23 | Mitsubishi Gas Chemical Company, Inc. | 土壌及び/又は地下水の浄化方法 |
| ITMI20051559A1 (it) * | 2005-08-10 | 2007-02-11 | Eni Spa | Procedimento per la rimozione di barriere impermeabili presenti nei pozzi petroliferi |
| EP2059483A4 (en) * | 2006-08-17 | 2012-03-28 | Dowling College | WATER DETOXIFICATION METHODS, CATALYSTS THEREFOR AND CATALYST PRODUCTION PROCESS |
| US8609926B1 (en) | 2006-11-21 | 2013-12-17 | Henry Wilmore Cox, Jr. | Methods for managing sulfide in wastewater systems |
| US7846408B1 (en) | 2006-11-21 | 2010-12-07 | Cox Jr Henry Wilmore | Compositions, methods, and systems for managing total sulfide |
| ITMI20080995A1 (it) * | 2008-05-28 | 2009-11-29 | Eni Spa | Metodo per la bonifica in situ di un'area contaminata da composti organici |
| US8293696B2 (en) * | 2009-02-06 | 2012-10-23 | Ecolab, Inc. | Alkaline composition comprising a chelant mixture, including HEIDA, and method of producing same |
| DK2396089T3 (da) * | 2009-02-11 | 2017-11-20 | Natural Energy Systems Inc | Fremgangsmåde til omdannelse af organisk materiale til methanrig brændgas |
| WO2011074007A2 (en) | 2009-12-18 | 2011-06-23 | Bharat Petroleum Corporation Limited | Process and composition for bioremediation of oily sludge |
| JP5733781B2 (ja) | 2010-03-31 | 2015-06-10 | 国立研究開発法人農業・食品産業技術総合研究機構 | コーヒー粕あるいは茶殻を原料とするフェントン反応触媒 |
| TWI551551B (zh) * | 2010-04-30 | 2016-10-01 | 三菱瓦斯化學股份有限公司 | 過氧化物活性化劑以及土壤及/或地下水之淨化方法 |
| JP2012239952A (ja) * | 2011-05-17 | 2012-12-10 | National Agriculture & Food Research Organization | 還元性有機物を原料とするフェントン反応触媒 |
| JP5888877B2 (ja) * | 2011-05-30 | 2016-03-22 | 株式会社Adeka | 化学物質分解剤組成物及びそれを用いた化学物質の分解処理方法 |
| CA2911436A1 (en) | 2013-05-24 | 2014-11-27 | Solvay Sa | Non-oxidizer particles |
| US9771284B2 (en) * | 2013-12-30 | 2017-09-26 | Environmental Technology and Investment Corporation | Situ chemical fixaton of metal contaminants |
| US10252303B2 (en) * | 2015-06-01 | 2019-04-09 | Michael Lindstrom | Method to remediate soil and groundwater |
| US20170297932A1 (en) * | 2016-04-14 | 2017-10-19 | Phillips 66 Company | Method of remediating groundwater |
| BR112020017642A2 (pt) * | 2018-03-01 | 2020-12-22 | Arkema Inc. | Tratamento de solo usando peróxido |
| JP7267112B2 (ja) * | 2019-06-04 | 2023-05-01 | ジオテクノス株式会社 | 汚染土壌の浄化方法 |
| CN112537839A (zh) * | 2020-11-17 | 2021-03-23 | 同济大学 | 一种过氧化钙-黄铁矿修复河网地区地下水重金属污染的办法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741427A (en) * | 1996-03-14 | 1998-04-21 | Anesys Corp. | Soil and/or groundwater remediation process |
| US5755977A (en) * | 1996-07-03 | 1998-05-26 | Drexel University | Continuous catalytic oxidation process |
| US5789649A (en) * | 1995-08-29 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Method for Remediating contaminated soils |
-
1999
- 1999-07-01 US US09/345,922 patent/US6319328B1/en not_active Expired - Lifetime
-
2000
- 2000-06-22 EP EP00943068A patent/EP1212149B1/en not_active Expired - Lifetime
- 2000-06-22 DK DK00943068T patent/DK1212149T3/da active
- 2000-06-22 ES ES00943068T patent/ES2322540T3/es not_active Expired - Lifetime
- 2000-06-22 DE DE60041772T patent/DE60041772D1/de not_active Expired - Lifetime
- 2000-06-22 JP JP2001507588A patent/JP3793084B2/ja not_active Expired - Lifetime
- 2000-06-22 WO PCT/US2000/017231 patent/WO2001002105A1/en not_active Ceased
- 2000-06-22 CA CA002370097A patent/CA2370097C/en not_active Expired - Fee Related
- 2000-06-22 AT AT00943068T patent/ATE424942T1/de not_active IP Right Cessation
- 2000-06-22 AU AU57593/00A patent/AU780219B2/en not_active Expired
-
2001
- 2001-08-30 US US09/943,130 patent/US20020002983A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5789649A (en) * | 1995-08-29 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Method for Remediating contaminated soils |
| US5741427A (en) * | 1996-03-14 | 1998-04-21 | Anesys Corp. | Soil and/or groundwater remediation process |
| US5755977A (en) * | 1996-07-03 | 1998-05-26 | Drexel University | Continuous catalytic oxidation process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002254062A (ja) * | 2001-02-28 | 2002-09-10 | Shimizu Corp | 有機物汚染土壌の原位置修復法と修復装置 |
| EP1647529B1 (en) * | 2003-08-22 | 2015-09-30 | Peroxychem Spain, S.L.U. | Method for purifying wastewaters |
| WO2011042884A1 (fr) | 2009-10-09 | 2011-04-14 | Total S.A. | Procédé d'oxydation de composes organiques |
| AU2020203659B2 (en) * | 2018-10-15 | 2021-04-08 | Anthony Doherty | Method of treating contaminated groundwater |
Also Published As
| Publication number | Publication date |
|---|---|
| AU780219B2 (en) | 2005-03-10 |
| CA2370097A1 (en) | 2001-01-11 |
| EP1212149A1 (en) | 2002-06-12 |
| EP1212149A4 (en) | 2004-09-29 |
| US20020002983A1 (en) | 2002-01-10 |
| JP3793084B2 (ja) | 2006-07-05 |
| CA2370097C (en) | 2006-11-21 |
| ATE424942T1 (de) | 2009-03-15 |
| US6319328B1 (en) | 2001-11-20 |
| JP2003503197A (ja) | 2003-01-28 |
| ES2322540T3 (es) | 2009-06-23 |
| DE60041772D1 (de) | 2009-04-23 |
| DK1212149T3 (da) | 2009-06-08 |
| AU5759300A (en) | 2001-01-22 |
| EP1212149B1 (en) | 2009-03-11 |
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