EP1359374A1 - Procédé de traitement de résidues d'une installation d'incinération - Google Patents

Procédé de traitement de résidues d'une installation d'incinération Download PDF

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Publication number
EP1359374A1
EP1359374A1 EP03001179A EP03001179A EP1359374A1 EP 1359374 A1 EP1359374 A1 EP 1359374A1 EP 03001179 A EP03001179 A EP 03001179A EP 03001179 A EP03001179 A EP 03001179A EP 1359374 A1 EP1359374 A1 EP 1359374A1
Authority
EP
European Patent Office
Prior art keywords
fraction
combustion
slag
wet
water
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.)
Granted
Application number
EP03001179A
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German (de)
English (en)
Other versions
EP1359374B1 (fr
Inventor
Johannes Martin
Oliver Dr. Gohlke
Joachim Horn
Michael Busch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Martin GmbH fuer Umwelt und Energietechnik
Mitsubishi Heavy Industries Ltd
Original Assignee
Martin GmbH fuer Umwelt und Energietechnik
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Martin GmbH fuer Umwelt und Energietechnik, Mitsubishi Heavy Industries Ltd filed Critical Martin GmbH fuer Umwelt und Energietechnik
Publication of EP1359374A1 publication Critical patent/EP1359374A1/fr
Application granted granted Critical
Publication of EP1359374B1 publication Critical patent/EP1359374B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/04—General arrangement of separating plant, e.g. flow sheets specially adapted for furnace residues, smeltings, or foundry slags
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/08—Liquid slag removal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/106—Combustion in two or more stages with recirculation of unburned solid or gaseous matter into combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/20—Combustion to temperatures melting waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/30—Solid combustion residues, e.g. bottom or flyash

Definitions

  • the invention relates to a method of treatment combustion residues of an incinerator, in particular Waste incineration plant where the fuel burned on a grate, and the resulting Combustion residue by appropriate regulation of Combustion be brought to an elevated temperature.
  • molten Combustion residues Due to the high temperatures in the treatment of Combustion residues in a smelting stage are molten Combustion residues due to low levels of organic Marked connections. While typical Slags from waste incineration plants still unburned, usually measured as loss on ignition, from 1 to 5% by weight show the loss on ignition of molten combustion residues at below 0.3 wt .-%. In addition, are molten Combustion residues due to small proportions characterized by leachable salts and heavy metals, because these either evaporated or in the case of cooling the Melt forming glass matrix are involved.
  • the object of the invention is to provide a method in the combustion process is so influenced and regulated will that a completely sintered slag with the desired Quality without the use of downstream Melting or glazing aggregates is obtained, and in a low expenditure on equipment, the disadvantages of dust development the air termination of the firebox avoided and low consumption of water becomes.
  • a "completely sintered slag" becomes a material understood that consists of sintered and / or melted chunks, typically a grain size of at least 2 to 8 mm. These chunks consist of combustion residues of garbage by complete or superficial Melting are agglomerated.
  • the sintered or smelted pieces may be due to gas release during sintering or melting quite a porous Have structure.
  • the possible porosity of the fully sintered Slag is due to the fact that the temperature the molten slag in the fuel bed is not high is enough to have a sufficiently low viscosity and thus to cause expulsion of gas bubbles, which in the Glass technology is also referred to as Läutern. This is different the completely sintered slag of typical vitrified slags that are in downstream high-temperature process in crucible furnaces lined with refractory material or other melt aggregates.
  • the fully sintered slag can also constituents of waste, such as glass or metals, containing of the combustion process largely unaffected the Walk through grate, so in the narrower sense in the fuel bed neither melted nor sintered, but in terms of Burnout and leachable pollutants the desired properties have.
  • sintering is equivalent to Hämmerli (garbage and waste 31, Supplement Disposal of slags and other residues, Page 142, 1994) as a special case of melting and freezing.
  • Sintering is often used in science Application of this term as “superficial fusion or fusing together of particles. "The chunks of sinter The completely sintered slag can also be completely or partially melted.
  • Residual slag will be the slag constituents below not sintered and / or melted are. Residual slag is characterized by a comparison to completely sintered slag smaller grain size as well higher loss on ignition and proportion of leachable pollutants.
  • the first way according to the invention is that the Combustion control is conducted so that already in the Brennbett the main combustion zone a sintering and / or Melting of the combustion residues to Slag occurs that the resulting combustion residues deleted altogether in a wet slagger and off be brought out of this, that from the Wet slagger coming wet combustion residues first by a mechanical separation process in two Fractions are split, which is essentially a Coarse fraction and a major fraction containing oversize fraction with withdrawn from the wet slag water washed and thereby separated smaller parts separated and that the wash water with the Washing process recorded finer parts of the Wet slag is fed.
  • the invention comprises two main areas, one of which Main area in the combustion control and the second Main area in the mechanical processing of the by the Combustion process obtained combustion residues consists.
  • This second main area comprises two process variants, which depend on the composition of the fuel.
  • the first main area is for both subsequent process variants in terms of mechanical processing Consistent and is the combustion process on the firing grate so influence that already one Sintering and / or melting process on the grate in the main combustion zone takes place and that each not yet sintered or molten combustion residues be traced back to the second or third pass the desired sintering and / or To experience melting.
  • the focus of the inventive concept is therefore the sintering and / or melting process of the combustion residues already in the fuel bed of the main combustion zone, which was not thought possible until now. It is namely for mechanical firing grates extremely harmful, if liquid slag between the individual grate bars or Other movable parts of the Feuerungsrostes arrives. Out For this reason one has a melting of the slag on the Avoided rust and made sure that in the fuel bed the Melting temperature of the slag is not reached.
  • the sintering and / or Melting process in the upper part of the fuel bed instead, because from the top the largest heat effect by the Radiation of the flame body takes place and from below by supplying relatively cold primary combustion air the Temperature of the directly on the Feuerungsrost lying Material can be kept lower than on the top of the fuel bed. Because with such a combustion control not the entire incipient combustion residues in a completely sintered slag with the desired Quality can be converted, those are Combustion residue, which does not yet have the character of completely sintered slag, the combustion process fed again.
  • the crushing of the main fraction has the consequence that in the subsequent washing process those in the combustion residues in the larger ones Parts of trapped pollutants washed out and thus can be separated from the main recyclable fraction, whereby despite stronger load of these combustion residues with pollutants a large proportion of combustion residues be recovered as recyclable slag can, without later with the washing out of pollutants must be expected on a larger scale.
  • an oxygen enrichment of the primary combustion air to about 25 vol .-% to 40 vol .-% is made.
  • Another advantageous measure is that a preheating the primary air temperature to values of approx. 100 ° C to 400 ° C is performed. These measures may vary depending on Conditions are used separately or combined. Preferably, depending on the nature of the Burning the fuel bed temperature in the main combustion zone set to 1,000 ° C to 1,400 ° C.
  • the resulting in the mechanical separation ultrafine fraction and fine fraction are in a further embodiment of the invention fed to the combustion process. These fractions are again subjected to a combustion process, thus reducing the possibility of melting and sintering consists of these fractions.
  • the level can be maintained in the wet slagger, because of the discharged amount of combustion residues always water is mitabdress, reducing the amount of water in the wet slag decreases and filled up anyway would have to be. Since the water coming from the final rinse has only low calcium and sulphate contents not the risk of clogging pipes or nozzles.
  • the main fraction still large proportions of an oversize fraction which usually has a high scrap content possesses, in a further embodiment of the invention the coarse fraction another mechanical separation process be subjected.
  • the ultrafine fraction is about one grain size from 0 to 2mm
  • the coarse fraction with a grain size of 8 to 32mm and the oversize fraction are at a grain size over 32mm
  • these values are only for better understanding of a Groborient ist provided, of course each fraction a certain proportion of the underlying may contain finer fraction, as long as the finer fraction is of secondary importance.
  • the Fine fraction coming directly from the purifier and having a grain size of about 2-8 mm, those Proportion of combustion residues, preferably the Combustion process is fed back.
  • the second Process variant is, however, by the crushing process obtained a grain fraction, this fine fraction in the core distribution, but in terms of quality has a higher standard for reuse, so that this fine fraction called quality fine fraction can be.
  • a separation limit of 32mm is maintained, that is, if so the oversize fraction is deposited, so it is recommended to use a second mechanical Provide separation, which then for example at 8mm, with all parts that are smaller than 8mm, again be supplied to the combustion process.
  • the main fraction which is an oversize fraction and coarse fraction this way, not only from the big ones Scrap parts, but also from all other metal parts be released, which supplied to a separate recycling become.
  • the oversize fraction another crushing process to submit, as parts, for example larger than 32mm are little for this purpose are suitable.
  • the separated from the main fraction coarse fraction with the crushed combustion residues from the oversize crushing mixed to a first mixed fraction become. It may turn out to be appropriate that the mixed fraction a mechanical separation process is subjected, as in the crushing process, such Grain sizes incurred, which is undesirable for further utilization are and, for example, the combustion process should be returned.
  • the second Mixed fraction washed with water from the wet slagger and the ultrafine fraction is separated, it is ensured that the proportions below 2mm grain size, often particularly heavily polluted, of the recoverable Shares are separated.
  • This laundry can conveniently on a sieve with a sieve passage 8mm or smaller.
  • the slag water in connection with these fines and fine steels is the Wet slag fed again.
  • the washed slag is deducted and for recovery, for example in Road construction, used.
  • the deposited during the screening Fine fraction with a mass of about 100kg usually becomes again given to the grate firing, to a more extensive To achieve sintering. But it is also possible this Contribute to other treatment methods.
  • 40 liters Inlet water or fresh water are supplied to the To compensate for water loss in the wet slagger by it occurs that the combustion residues in the discharge Of course, liquid from the wet slagger carry.
  • a final rinse with fresh water which with a quantity of 80 liters the 200kg of the main fraction added in order to free them from adhering components, from the wet treatment by the water from the Wet slag originate.
  • 40 liters of this rinse liquid be used for waste gas purification or other disposal, diverted, while another 40 liters the wet slagger be supplied to compensate for the loss of water. The way cleaned slag can be recycled become.
  • FIG. 3 shows a variant of the method according to the invention.
  • this modified process will be 1000kg of garbage an ash content of 220kg fed to a grate firing.
  • This wet slag becomes combustion residues deducted on the order of 336kg.
  • the weight gain is due to fine particles that over the Slag water recycling fed to the wet slagger become.
  • the wet slagger will be 40 liters of water as Balancing supplied for the discharged water.
  • the 336kg Slag or incineration residues reach a sieve with a separation grain size of 32mm.
  • the oversize fraction with a grain size of> 32mm is first a metal deposit fed.
  • the accumulating slag enters a crusher to slag of the order of 8mm to obtain.
  • This slag so obtained will be on another Sieve brought with a separation grain diameter of 8mm.
  • this mechanical separation will be 100kg slag or Combustion residues with a grain diameter of ⁇ 8mm deducted and preferably the grate firing again fed.
  • the remaining coarse fraction becomes a metal deposit fed.
  • the obtained metal parts and the metal parts of the metal deposit from that described above Process step are merged and a wet treatment fed to adhering slag parts rinse. This will be 20kg of ferrous and non-ferrous metals obtained, which are recycled.
  • the scrapped Slag or coarse fraction with a grain size of 8 to 32mm has a weight of 215kg.
  • 60kg of this are fed to a crusher and to a grain size> 2mm crushed.
  • the crushed Mass fed to the main stream of 155kg and a wet treatment on a sieve with 2mm cut size.
  • the washing water is used in an amount of 1000 liters taken from the wet slagger.
  • 155kg slag with a grain size of 8 to 32mm and a finer proportion of 45kg with a grain diameter from 2 to 8mm in front. These two factions will be recycled, while fines, the one Diameter of less than 2mm, the wet slagger be fed again.
  • the flowchart of Figure 4 shows the basic variant, accordingly FIG. 1, in conjunction with the addition of a precipitant for soluble heavy metals.
  • This precipitant is added to the wet slag to reduce the lead content of the Purifier water of usually 2mg / l to 0,05mg / l too reduce. This reduces the cargo of dissolved lead to 1mg, with about 20l adhering slag water 200kg of wet-treated slag is present.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Fertilizers (AREA)
EP03001179A 2002-03-27 2003-01-21 Procédé de traitement de résidues d'une installation d'incinération Expired - Lifetime EP1359374B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10213790 2002-03-27
DE10213790A DE10213790B4 (de) 2002-03-27 2002-03-27 Verfahren zur Abfallverbrennung in einer Abfallverbrennungsanlage

Publications (2)

Publication Number Publication Date
EP1359374A1 true EP1359374A1 (fr) 2003-11-05
EP1359374B1 EP1359374B1 (fr) 2005-08-17

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EP03001179A Expired - Lifetime EP1359374B1 (fr) 2002-03-27 2003-01-21 Procédé de traitement de résidues d'une installation d'incinération

Country Status (10)

Country Link
US (1) US6796251B2 (fr)
EP (1) EP1359374B1 (fr)
AT (1) ATE302394T1 (fr)
BR (1) BR0300844B1 (fr)
CA (1) CA2423440C (fr)
DE (2) DE10213790B4 (fr)
DK (1) DK1359374T3 (fr)
ES (1) ES2248646T3 (fr)
PL (1) PL201315B1 (fr)
RU (1) RU2258867C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1647770A3 (fr) * 2004-10-14 2008-05-14 MARTIN GmbH für Umwelt- und Energietechnik Procédé pour influencer la qualité de résidus d'incinération d'une installation d'incinération
EP2062647A2 (fr) * 2007-11-26 2009-05-27 Hanseatisches Schlackenkontor GmbH Procédé de fabrication d'un granulé de scorie compressible

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20051439A1 (it) * 2005-07-26 2007-01-27 Astrid Worldwide Lcc Uso di una matrice ottenuta mediante il trattamento delle scorie di rifiuti solidi urbani per la produzione di aggiunta minerale sostitutiva del cemento nella preparazione del calcestruzzo impianto per la produzione di detta matrice e relativo proced
DE102006026434B3 (de) * 2006-06-07 2007-12-13 Forschungszentrum Karlsruhe Gmbh Verfahren zur Verbesserung der Schlackequalität von Rostfeuerungsanlagen
EP2375153B1 (fr) * 2010-04-12 2018-09-26 Heiner Zwahr Traitement de cendres volantes
DE102011013034A1 (de) * 2011-03-04 2012-09-06 Alexandra Beckmann Gewinnung von verwertbaren Stoffen aus Müllverbrennungsasche
CA2886896C (fr) 2012-10-12 2020-03-10 Blue Sky Mines Ltd. Procedes et systemes permettant de traiter des dechets incineres
AT514456B1 (de) * 2013-02-08 2015-03-15 Nua Abfallwirtschaft Gmbh Verfahren zur Aufbereitung von Müllverbrennungsschlacke
CN106583030A (zh) * 2016-11-24 2017-04-26 云南昆欧科技有限责任公司 一种钢铁企业回收的烧结机头灰处理方法
DE102021006192A1 (de) 2021-12-15 2023-06-15 Martin GmbH für Umwelt- und Energietechnik Verfahren zur Verbrennung von Abfall und Vorrichtung zur Durchführung eines derartigen Verfahrens

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE701606C (de) 1938-04-08 1941-01-20 Bromsregulator Svenska Ab Gestaengeanordnung fuer Eisenbahnwagenbremsen
CH635755A5 (en) * 1978-07-14 1983-04-29 Entstaubungstechnik Ag Process and equipment for scrubbing flue gases
CH676116A5 (en) * 1988-03-24 1990-12-14 Ammann U Maschf Ag Gravel substitute prodn. from waste slag - of an incineration plant by water washing and sieving after removing large particles and ferrous material
DE4123277C1 (en) * 1991-07-13 1993-05-27 Rwe Entsorgung Ag, 4300 Essen, De Handling waste combustion slag allowing removal of valuable materials - by reducing raw slag material and then removing dust components and wet sorting to separate light fraction
DE4423927A1 (de) 1994-07-07 1996-01-11 Abb Research Ltd Verfahren zum Rückgewinnen von Wertstoffen aus Müllverbrennungsschlacke
DE4429958A1 (de) * 1994-08-24 1996-02-29 Noell Abfall & Energietech Verfahren und Vorrichtung zur thermischen Behandlung von Rostschlacken
EP0667490B1 (fr) 1994-02-11 1997-03-26 MARTIN GmbH für Umwelt- und Energietechnik Méthode pour combustion de combustible, particulièrement d'ordures ménagères
EP0862019A1 (fr) * 1997-02-28 1998-09-02 Abb Research Ltd. Procédé et dispositif pour le traitement thermique des cendres volantes des incinérateurs à grille

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DE711606C (de) * 1938-02-02 1941-10-03 Josef Martin Feuerung
US3745941A (en) * 1971-12-03 1973-07-17 B Reilly Slagging refuse incinerators
DE8915970U1 (de) * 1989-09-02 1992-07-23 Oschatz Gmbh, 4300 Essen Vorrichtung zum Befestigen von Fang- und Reststoffen
US6199492B1 (en) * 1992-02-26 2001-03-13 KüNSTLER JOHANN HANS Process for melting down combustion residues into slag
TW277101B (en) * 1995-01-21 1996-06-01 Abb Man Ag Process for treating slag from refuse incineration plants
DK90796A (da) * 1996-08-28 1998-03-01 Thomas Hoejlund Christensen Metode til udvaskning og kemisk stabilisering af flyveaske, røgrensningsprodukter og andre metalholdige materialer
DE19715671C2 (de) * 1997-04-15 1999-09-02 Siemens Ag Anlage und Verfahren zur thermischen Abfallentsorgung
DE19738593A1 (de) * 1997-09-04 1999-03-11 Babcock Anlagen Gmbh Verfahren zum Stabilisieren von Aschen oder Schlacken aus Anlagen der thermischen Abfallbehandlung
EP0908674A1 (fr) * 1997-10-13 1999-04-14 Asea Brown Boveri AG Procédé pour la combustion de déchets dans un incinérateur et pour le traitement des scories provenants de l'incinération
DE19820038C2 (de) * 1998-05-05 2000-03-23 Martin Umwelt & Energietech Verfahren zum Regeln der Feuerleistung von Verbrennungsanlagen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE701606C (de) 1938-04-08 1941-01-20 Bromsregulator Svenska Ab Gestaengeanordnung fuer Eisenbahnwagenbremsen
CH635755A5 (en) * 1978-07-14 1983-04-29 Entstaubungstechnik Ag Process and equipment for scrubbing flue gases
CH676116A5 (en) * 1988-03-24 1990-12-14 Ammann U Maschf Ag Gravel substitute prodn. from waste slag - of an incineration plant by water washing and sieving after removing large particles and ferrous material
DE4123277C1 (en) * 1991-07-13 1993-05-27 Rwe Entsorgung Ag, 4300 Essen, De Handling waste combustion slag allowing removal of valuable materials - by reducing raw slag material and then removing dust components and wet sorting to separate light fraction
EP0667490B1 (fr) 1994-02-11 1997-03-26 MARTIN GmbH für Umwelt- und Energietechnik Méthode pour combustion de combustible, particulièrement d'ordures ménagères
DE4423927A1 (de) 1994-07-07 1996-01-11 Abb Research Ltd Verfahren zum Rückgewinnen von Wertstoffen aus Müllverbrennungsschlacke
DE4429958A1 (de) * 1994-08-24 1996-02-29 Noell Abfall & Energietech Verfahren und Vorrichtung zur thermischen Behandlung von Rostschlacken
EP0862019A1 (fr) * 1997-02-28 1998-09-02 Abb Research Ltd. Procédé et dispositif pour le traitement thermique des cendres volantes des incinérateurs à grille

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1647770A3 (fr) * 2004-10-14 2008-05-14 MARTIN GmbH für Umwelt- und Energietechnik Procédé pour influencer la qualité de résidus d'incinération d'une installation d'incinération
US7640872B2 (en) 2004-10-14 2010-01-05 Martin GmbH für Umwelt- und Energietechnik Process for influencing the properties of combustion residue
EP2062647A2 (fr) * 2007-11-26 2009-05-27 Hanseatisches Schlackenkontor GmbH Procédé de fabrication d'un granulé de scorie compressible
EP2062647A3 (fr) * 2007-11-26 2012-12-19 Hanseatisches Schlackenkontor GmbH Procédé de fabrication d'un granulé de scorie compressible

Also Published As

Publication number Publication date
DE10213790B4 (de) 2006-05-24
DK1359374T3 (da) 2005-12-19
DE10213790A1 (de) 2003-10-23
CA2423440C (fr) 2005-10-25
ATE302394T1 (de) 2005-09-15
RU2258867C2 (ru) 2005-08-20
ES2248646T3 (es) 2006-03-16
CA2423440A1 (fr) 2003-09-27
PL201315B1 (pl) 2009-03-31
EP1359374B1 (fr) 2005-08-17
DE50300978D1 (de) 2005-09-22
BR0300844A (pt) 2004-08-17
PL359317A1 (en) 2003-10-06
BR0300844B1 (pt) 2011-11-16
US20030183139A1 (en) 2003-10-02
US6796251B2 (en) 2004-09-28

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