EP1656464B1 - Method for the pyrometallurgical production of copper in a converter - Google Patents
Method for the pyrometallurgical production of copper in a converter Download PDFInfo
- Publication number
- EP1656464B1 EP1656464B1 EP03818380A EP03818380A EP1656464B1 EP 1656464 B1 EP1656464 B1 EP 1656464B1 EP 03818380 A EP03818380 A EP 03818380A EP 03818380 A EP03818380 A EP 03818380A EP 1656464 B1 EP1656464 B1 EP 1656464B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- melt
- converter
- copper
- process step
- 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 - Lifetime
Links
Classifications
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/003—Bath smelting or converting
- C22B15/0041—Bath smelting or converting in converters
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
Definitions
- the invention relates to a method for pyrometallurgical production of copper in a converter.
- so-called blister copper as raw materials such as copper and / or secondary raw materials are used.
- the aim is to produce the so-called blister copper in a purity of at least 96 wt .-%, preferably above 99 wt .-%.
- the aim is to achieve purities that are as close as possible to 100 wt .-%.
- a copper-containing melt is first filled into the converter (charged into the converter).
- This process which is also referred to as “ slagging", has the aim of purifying the copper melt so far that for the most part this consists only of Cu 2 S (also called “ white metal”).
- DE 42 05 657 A1 describes a method for blowing non-iron feedstocks, in which the feedstock is melted in a converter and the melt is then stirred by blowing a gas below the bath surface to reduce batch-forming and wear-promoting splashes.
- US 5,215,571 A relates to a method of converting an iron-containing copper mat wherein oxygen is bubbled onto the surface of the melt while the melt itself is being stirred with an inert gas.
- the invention aims to optimize the known method.
- the copper production should be possible either in a shorter time and / or with a higher degree of purity.
- the invention is based on the following consideration: During the filling (charging) of the converter no metallurgical work is performed in the reactor.
- the oven serves only as a " buffer” or " holding unit”. This also applies to the last process step, in which the melt is emptied from the converter.
- a rinse treatment during " purge” has the advantage of speeding up the removal of impurities and the formation of slag.
- the rinsing treatment can be used to a further effect:
- the slag can be selectively lead towards the converter opening, where it is then withdrawn.
- a more precise separation between slag on the one hand and melt on the other hand is achieved and avoided the observed in the prior art loss of melt.
- the gas used in process stages a), b), c) and e) can, like the gas used in process stage d), consist predominantly or completely of oxygen. Likewise, other gases, including inert gases, are possible.
- the proportion of oxygen can be deliberately withdrawn and replaced by a proportion of inert gas.
- the inert gas treatment can be continued.
- the actual conversion process in process step d) can be represented chemically as follows: 2Cu 2 S + 3O 2 ⁇ 2CU 2 O + 2SO 2 2Cu 2 O + Cu 2 S ⁇ 6Cu + SO 2 .
- the emptying of a converter with 300 tons blister copper takes about one hour.
- the molten metal should also be present during this discharge stage Gas be treated (treated).
- the secondary metallurgical treatment of the copper melt can be carried out throughout the conversion process.
- the supply of the gas can take place via a plurality of Gas Rauchettin.
- Gas Kunststoffmaschine gas purging
- Such Gas Kunststoffmaschine gas purging
- gas purging elements are known in particular from the treatment of steel melts, for decades.
- Such gas purging elements can be adopted according to the invention without further ado.
- Both gas purging elements with directed porosity and those with undirected porosity can be used.
- the first group is characterized in that more or less straight slits or channels are formed in the flushing elements, through which the gas is passed.
- Gasndetti with undirected porosity are designed as a " sponge". The gas must move through the body from pore to pore.
- Such Gas Series reminde can be used individually or in groups in the bottom and / or wall of the converter. According to the invention it is provided that they can be activated individually, in preselectable groups or all together. In this case, in turn, individual gas purging elements or groups of gas purging elements can be charged with different gas or gas pressure.
- a corresponding gas control is provided for this purpose. This can be adjusted to put the molten metal in such a motion that the slag floating on it receives a certain flow direction, for example in the direction of tapping opening.
- the process can be conducted in such a way that gas (s) is introduced (injected, injected) into the melt during all stages of treatment and continuously.
- both the gas and the gas quantity or the gas pressure can be changed during the individual treatment stages.
- 10 gas purging elements may be provided, each at a purging rate of, for example, 200 liters per minute.
- the process enables a significantly accelerated pyrometallurgical copper production with a degree of purity which at least corresponds to the degree of purity according to the prior art and can be well above 99.5 wt .-%.
Abstract
Description
Die Erfindung betrifft ein Verfahren zur pyrometallurgischen Erzeugung von Kupfer in einem Konverter.The invention relates to a method for pyrometallurgical production of copper in a converter.
Bei der pyrometallurgischen Herstellung von sogenanntem Blisterkupfer werden als Rohstoffe beispielsweise Kupferstein und/oder Sekundârrohstoffe eingesetzt. Ziel ist es, das sogenannte Blisterkupfer in einer Reinheit von mindestens 96 Gew.-%, vorzugsweise über 99 Gew.-% herzustellen. Dabei ist man selbstverständlich bestrebt, Reinheitsgrade zu erreichen, die so dicht wie möglich an 100 Gew.-% liegen.In the pyrometallurgical production of so-called blister copper as raw materials such as copper and / or secondary raw materials are used. The aim is to produce the so-called blister copper in a purity of at least 96 wt .-%, preferably above 99 wt .-%. Of course, the aim is to achieve purities that are as close as possible to 100 wt .-%.
Ein wesentlicher Teil dieser Kupfererzeugung besteht in der sogenannten "Konvertierung" in einem Konverter. Solche Konverter sind unter der Bezeichnung Peirce Smith und Hoboken bekannt.An essential part of this copper production is the so-called " conversion" in a converter. Such converters are known as Peirce Smith and Hoboken.
Für diese Konverterbehandlung wird eine kupferhaltige Schmelze zunächst in den Konverter eingefüllt (in den Konverter chargiert).For this converter treatment, a copper-containing melt is first filled into the converter (charged into the converter).
In einer nächsten Behandlungsstufe werden Fremdbestandteile, insbesondere Eisensulfid, so weit wie möglich beseitigt beziehungsweise in eine Schlacke überführt.In a next treatment stage foreign components, in particular iron sulfide, as far as possible eliminated or converted into a slag.
Dieser Vorgang, der auch als "slagging" bezeichnet wird, hat das Ziel, die Kupferschmelze so weit zu reinigen, dass diese zum ganz überwiegenden Teil nur noch aus Cu2S besteht (auch "white metal" genannt).This process, which is also referred to as " slagging", has the aim of purifying the copper melt so far that for the most part this consists only of Cu 2 S (also called " white metal").
Zum "slagging" gehört das anschließende Entfernen der Schlacke aus dem Konverter.To " slagging" is the subsequent removal of slag from the converter.
Um aus der Cu2S-Schmelze nun Blisterkupfer zu machen, sind sekundärmetallurgische Verfahren bekannt, bei denen in die Schmelze ein Gas, insbesondere Sauerstoff, eingeblasen wird (US 4,830,667). Dabei werden der Schwefel und andere Fremdstoffe, beispielsweise Nickel, so weit wie möglich entfernt. Der US 4,830,667 A ist zu entnehmen, dass ein Nickelgehalt von über 1,0 Gew.-% unerwünscht ist.In order to make blister copper from the Cu 2 S melt, secondary metallurgical processes are known in which a gas, in particular oxygen, is blown into the melt (US Pat. No. 4,830,667). In the process, the sulfur and other foreign substances, for example nickel, are removed as far as possible. It can be seen from US Pat. No. 4,830,667 A that a nickel content of more than 1.0% by weight is undesirable.
Zum Abschluss wird die so gebildete Blisterschmelze aus dem Konverter entnommen.Finally, the blister melt thus formed is removed from the converter.
Dieses Verfahren wird vielfach angewendet, hat jedoch einige Nachteile. Zum Beispiel beim "slagging" muss die Schlacke meistens durch die.Chargieröffnung des Ofens entfernt werden. Dabei besteht die Gefahr, dass wertvolle Kupferschmelze verloren geht. Das Verfahren dauert relativ lang, wenn der genannte hohe Reinheitsgrad erhalten werden soll.This method is widely used but has some disadvantages. For example, when " slagging", the slag usually needs to be removed through the furnace's furnace opening. There is a risk that valuable copper melt is lost. The process takes a relatively long time if the said high degree of purity is to be obtained.
In der DE 38 09 477 A1 wird ein Verfahren zum Entfernen von Schwefel aus Kupferschmelzen beschrieben. Dabei wird die Schmelze mit einem sauerstoffhaltigen Gas in einer Höhe oberhalb etwa der halben Badtiefe behandelt. Gleichzeitig wird Rührgas in einem merklichen Abstand unterhalb der halben Badhöhe in die Schmelze eingeblasen und das Einblasen des Rührgases nach Beendigung der Sauerstoffzufuhr fortgesetzt. Auf diese Weise soll insbesondere der Gehalt an Schwefel und Nickel in der Schmelze reduziert werden.DE 38 09 477 A1 describes a process for removing sulfur from copper melts. The melt is treated with an oxygen-containing gas at a level above about half the bath depth. At the same time stirring gas is injected at a considerable distance below half the bath height in the melt and continued the injection of the stirring gas after completion of the oxygen supply. In this way, especially the Sulfur and nickel content in the melt can be reduced.
Zur Reduzierung von ansatzbildenden und verschleißfördernden Spritzern beschreibt die DE 42 05 657 A1 ein Verfahren zum Verblasen von Nichteisen-Einsatzmaterialien, bei dem das Einsatzmaterial in einem Konverter eingeschmolzen und die Schmelze anschließend durch Einblasen eines Gases unterhalb der Badoberfläche gerührt wird.DE 42 05 657 A1 describes a method for blowing non-iron feedstocks, in which the feedstock is melted in a converter and the melt is then stirred by blowing a gas below the bath surface to reduce batch-forming and wear-promoting splashes.
Die US 5,215,571 A betrifft ein Verfahren zum Konvertieren einer eisenhältigen Kupfermatte, wobei auf die Oberfläche der Schmelze Sauerstoff aufgeblasen wird, während die Schmelze selbst mit einem Inertgas gerührt wird.US 5,215,571 A relates to a method of converting an iron-containing copper mat wherein oxygen is bubbled onto the surface of the melt while the melt itself is being stirred with an inert gas.
Die Erfindung zielt darauf ab, das bekannte Verfahren zu optimieren. Dabei soll die Kupfererzeugung entweder in kürzerer Zeit und/oder mit höherem Reinheitsgrad möglich sein.The invention aims to optimize the known method. The copper production should be possible either in a shorter time and / or with a higher degree of purity.
Die Erfindung geht von folgender Überlegung aus: Während des Befüllens (Chargierens) des Konverters wird in dem Reaktor keine metallurgische Arbeit geleistet. Der Ofen dient lediglich als "Puffer" beziehungsweise "Halteaggregat". Dies gilt auch für den letzten Verfahrensschritt, bei dem die Schmelze aus dem Konverter entleert wird.The invention is based on the following consideration: During the filling (charging) of the converter no metallurgical work is performed in the reactor. The oven serves only as a " buffer" or " holding unit". This also applies to the last process step, in which the melt is emptied from the converter.
Diese Verfahrensstufen werden erfindungsgemäß ebenfalls zur sekundärmetallurgischen Behandlung der Schmelze genutzt. Mit anderen Worten: bereits beim Chargieren des Konverters soll ein Behandlungsgas in die Metallschmelze (Kupferschmelze) eingeleitet werden. Dies hat den Vorteil, dass die sogenannte "slagging"-Stufe praktisch zeitgleich mit dem Chargieren beginnt und nicht erst mit zeitlicher Verzögerung. Der Konverter kann praktisch von der ersten Sekunde an im Sinne einer Schmelzebehandlung genutzt werden.These process steps are also used according to the invention for the secondary metallurgical treatment of the melt. In other words, already during the charging of the converter, a treatment gas is to be introduced into the molten metal (molten copper). This has the advantage that the so-called " slagging" stage is practical starts at the same time as the charging and not with a delay. The converter can be used virtually from the first second in terms of a melt treatment.
Dies gilt bis zu dem Zeitpunkt, zu dem die Schmelze aus dem Konverter entfernt wird.This is true until the time when the melt is removed from the converter.
Eine Spülbehandlung während des "Entschlackens" hat den Vorteil, dass die Entfernung von Fremdbestandteilen und die Bildung der Schlacke beschleunigt werden.A rinse treatment during " purge" has the advantage of speeding up the removal of impurities and the formation of slag.
In dieser Verfahrensstufe kann die Spülbehandlung zu einem weiteren Effekt genutzt werden: Durch eine gezielte Bewegung des Metallbades lässt sich die Schlacke gezielt in Richtung Konverter-Öffnung führen, wo sie anschließend abgezogen wird. Damit wird eine präzisere Trennung zwischen Schlacke einerseits und Schmelze andererseits erreicht und der im Stand der Technik beobachtete Verlust an Schmelze vermieden.In this stage of the process, the rinsing treatment can be used to a further effect: By a targeted movement of the metal bath, the slag can be selectively lead towards the converter opening, where it is then withdrawn. Thus, a more precise separation between slag on the one hand and melt on the other hand is achieved and avoided the observed in the prior art loss of melt.
Danach betrifft die Erfindung in ihrer allgemeinsten Ausführungsform ein Verfahren zur pyrometallurgischen Erzeugung von Kupfer in einem Konverter, mit folgenden Merkmalen:
- a) Chargieren des Konverters mit kupferhaltiger Schmelze,
- b) Behandlung der Schmelze derart, dass Fremdbestandteile in eine Schlacke überführt werden, bis die Schmelze überwiegend nur noch aus Cu2S besteht,
- c) Entfernen der Schlacke aus dem Konverter,
- d) Einblasen von Gas in die Cu2S-haltige Schmelze zur Erstellung einer weitestgehend reinen Kupferschmelze durch Entfernung von Schwefel,
- e) Entleeren des Konverters in ein nachgeschaltetes Aggregat, wobei
- f) auch während der Verfahrensstufen a), b), c) und e) Gas in die jeweilige Schmelze eingeleitet wird.
- a) Charging the converter with copper-containing melt,
- b) treatment of the melt in such a way that impurities are transferred into a slag until the melt predominantly consists only of Cu 2 S,
- c) removing the slag from the converter,
- d) blowing gas into the Cu 2 S-containing melt to produce a largely pure copper melt by removing sulfur,
- e) emptying the converter into a downstream unit, wherein
- f) also during the process stages a), b), c) and e) gas is introduced into the respective melt.
Das in den Verfahrensstufen a), b), c) und e) verwendete Gas kann ebenso wie das in der Verfahrensstufe d) eingesetzte Gas überwiegend oder vollständig aus Sauerstoff bestehen. Ebenso sind andere Gase, auch Inertgase, möglich.The gas used in process stages a), b), c) and e) can, like the gas used in process stage d), consist predominantly or completely of oxygen. Likewise, other gases, including inert gases, are possible.
Am Ende der Verfahrensstufe d) kann der Anteil an Sauerstoff gezielt zurückgenommen und durch einen Anteil an Inertgas ersetzt werden. Dabei kann der Anteil an Sauerstoff anfangs deutlich über 50 % liegen, während der Anteil an .Inertgas zum Ende dieser Verfahrensstufe hin über 50 % beträgt. Auf diese Weise kann der Anteil an Kupfer (I)-Oxid minimiert werden. In der Verfahrensstufe e) kann die Inertgasbehandlung fortgesetzt werden.At the end of process step d), the proportion of oxygen can be deliberately withdrawn and replaced by a proportion of inert gas. In this case, the proportion of oxygen initially significantly above 50%, while the proportion of .Inertgas towards the end of this process stage is over 50%. In this way, the proportion of copper (I) oxide can be minimized. In process step e), the inert gas treatment can be continued.
Der eigentliche Konvertierungsprozess in der Verfahrensstufe d) lässt sich chemisch wie folgt darstellen:
2Cu2S + 3O2 ⇒ 2CU2O + 2SO2
2Cu2O + Cu2S ⇒ 6Cu + SO2.
The actual conversion process in process step d) can be represented chemically as follows:
2Cu 2 S + 3O 2 ⇒ 2CU 2 O + 2SO 2
2Cu 2 O + Cu 2 S ⇒ 6Cu + SO 2 .
Die Entleerung eines Konverters mit 300 Tonnen Blisterkupfer dauert etwa eine Stunde. Erfindungsgemäß soll auch während dieser Entleerungsstufe die Metallschmelze mit Gas beaufschlagt (behandelt) werden. Damit kann die sekundärmetallurgische Behandlung der Kupferschmelze über den gesamten Konvertierungsprozess ausgeführt werden.The emptying of a converter with 300 tons blister copper takes about one hour. According to the invention, the molten metal should also be present during this discharge stage Gas be treated (treated). Thus, the secondary metallurgical treatment of the copper melt can be carried out throughout the conversion process.
Die Zuführung des Gases (der Gase) kann über eine Vielzahl von Gasspülelementen erfolgen. Solche Gasspülelemente (Gasspülsteine) sind insbesondere aus der Behandlung von Stahlschmelzen, seit Jahrzehnten bekannt. Solche Gasspülelemente können erfindungsgemäß ohne weiteres übernommen werden. Es können dabei sowohl Gasspülelemente mit gerichteter Porosität als auch solche mit ungerichteter Porosität verwendet werden. Die erste Gruppe ist dadurch charakterisiert, dass in den Spülelementen mehr oder weniger geradlinige Schlitze oder Kanäle ausgebildet sind, durch die das Gas hindurchgeführt wird. Gasspülelemente mit ungerichteter Porosität sind wie ein "Schwamm" gestaltet. Das Gas muss sich durch den Körper von Pore zu Pore hindurchbewegen.The supply of the gas (the gases) can take place via a plurality of Gasspülelementen. Such Gasspülelemente (gas purging) are known in particular from the treatment of steel melts, for decades. Such gas purging elements can be adopted according to the invention without further ado. Both gas purging elements with directed porosity and those with undirected porosity can be used. The first group is characterized in that more or less straight slits or channels are formed in the flushing elements, through which the gas is passed. Gasspülelemente with undirected porosity are designed as a " sponge". The gas must move through the body from pore to pore.
Solche Gasspülelemente (oder auch düsenartige Gasspüleinrichtungen) können einzeln oder in Gruppen im Boden und/oder der Wand des Konverters eingesetzt werden. Erfindungsgemäß ist vorgesehen, dass sie einzeln, in vorwählbaren Gruppen oder alle zusammen aktiviert werden können. Dabei können wiederum einzelne Gasspülelemente oder Gruppen von Gasspülelementen mit unterschiedlichem Gas beziehungsweise unterschiedlichem Gasdruck beschickt werden.Such Gasspülelemente (or nozzle-like gas purging) can be used individually or in groups in the bottom and / or wall of the converter. According to the invention it is provided that they can be activated individually, in preselectable groups or all together. In this case, in turn, individual gas purging elements or groups of gas purging elements can be charged with different gas or gas pressure.
Vorzugsweise ist dazu eine entsprechende Gasregelung vorgesehen. Diese kann so eingestellt werden, um die Metallschmelze in eine solche Bewegung zu setzen, dass die darauf schwimmende Schlacke eine bestimmte Strömungsrichtung erhält, beispielsweise in Richtung Abstich-Öffnung.Preferably, a corresponding gas control is provided for this purpose. This can be adjusted to put the molten metal in such a motion that the slag floating on it receives a certain flow direction, for example in the direction of tapping opening.
Das Verfahren kann so geführt werden, dass während sämtlicher Behandlungsstufen und ununterbrochen Gas(e) in die Schmelze eingeführt (eingeblasen, eingedüst) wird.The process can be conducted in such a way that gas (s) is introduced (injected, injected) into the melt during all stages of treatment and continuously.
Dabei können sowohl das Gas als auch die Gasmenge beziehungsweise der Gasdruck während der einzelnen Behandlungsstufen verändert werden.In this case, both the gas and the gas quantity or the gas pressure can be changed during the individual treatment stages.
Bei einem Konverter, der beispielsweise 300 Tonnen Kupferblister aufnehmen kann, können beispielsweise 10 Gasspülelemente vorgesehen werden, jedes mit einer Spülrate von beispielsweise 200 Litern je Minute.For example, in a converter capable of receiving 300 tons of copper blister, 10 gas purging elements may be provided, each at a purging rate of, for example, 200 liters per minute.
Das Verfahren ermöglicht eine deutlich beschleunigte pyrometallurgische Kupferherstellung mit einem Reinheitsgrad, der mindestens dem Reinheitsgrad gemäß Stand der Technik entspricht und deutlich über 99,5 Gew.-% liegen kann.The process enables a significantly accelerated pyrometallurgical copper production with a degree of purity which at least corresponds to the degree of purity according to the prior art and can be well above 99.5 wt .-%.
Claims (10)
- A method for the pyrometallurgical production of copper in a converter, comprising the following features:a) charging of the converter with copper-containing melt,b) treatment of the melt in such a way that foreign components are converted into a slag, until the melt predominantly consists solely of Cu2S,c) removal of the slag from the converter,d) blowing of gas into the Cu2S-containing melt in order to establish a largely pure copper melt by removal of sulphur,e) emptying of the converter into a downstream unit, wherebyf) gas is also introduced into the respective melt during process steps a), b), c) and e).
- The method according to claim 1, wherein a gas consisting predominantly of oxygen is introduced into the melt during process step a).
- The method according to claim 1, wherein a gas consisting predominantly of oxygen is introduced into the melt during process step b).
- The method according to claim 1, wherein a gas consisting predominantly of oxygen is introduced into the melt during process step d).
- The method according to claim 1, wherein a gas consisting predominantly of oxygen is introduced into the melt during process step e).
- The method according to claim 1, wherein the gas supplied is at least partially an inert gas at least in the second half of process step e).
- The method according to claim 1, wherein the introduction of gas takes place via a plurality of gas rinsing elements, which can be charged in a preselectable combination and/or with a preselectable gas pressure and with the same or different gases.
- The method according to claim 7, wherein the introduction of the gas takes place in such a way that the slag is conveyed selectively in process step c) in the direction of a removal opening.
- The method according to claim 1, wherein gas is introduced into the melt uninterruptedly during all the process steps.
- The method according to claim 9, wherein the gas is introduced in a different composition, quantity and/or with different gas pressure during the individual process steps.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2003/009367 WO2005021808A1 (en) | 2003-08-23 | 2003-08-23 | Method for the pyrometallurgical production of copper in a converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1656464A1 EP1656464A1 (en) | 2006-05-17 |
| EP1656464B1 true EP1656464B1 (en) | 2007-01-03 |
Family
ID=34259098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03818380A Expired - Lifetime EP1656464B1 (en) | 2003-08-23 | 2003-08-23 | Method for the pyrometallurgical production of copper in a converter |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20060236812A1 (en) |
| EP (1) | EP1656464B1 (en) |
| JP (1) | JP4477580B2 (en) |
| CN (1) | CN100357463C (en) |
| AT (1) | ATE350500T1 (en) |
| CA (1) | CA2539011A1 (en) |
| DE (1) | DE50306237D1 (en) |
| ES (1) | ES2279232T3 (en) |
| WO (1) | WO2005021808A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT503456A1 (en) * | 2006-03-27 | 2007-10-15 | Mettop Metallurg Optimierungs | PROCESS FOR PYROMETALLURGIC PRODUCTION OF COPPER |
| CL2008000116A1 (en) * | 2008-01-15 | 2008-03-14 | Univ De Chile 51 Empresa Nac D | CONTINUOUS INTENSIVE PIROMETALURGICAL METHOD OF CONVERSION OF LIQUID COPPER MATA THAT INCLUDES FEEDING THIS KILL WITHIN THE FIRST OXIDATION REACTOR, SUPPLY GASES TO THE PACKED MILK AND SILICONE FLOODS, BLEED THE ESCORAL, FOOD METAL |
| ATE496267T1 (en) * | 2009-05-20 | 2011-02-15 | Refractory Intellectual Prop | METALLURGICAL MELTING AND TREATMENT UNIT |
| CN102605191B (en) | 2012-04-16 | 2013-12-25 | 阳谷祥光铜业有限公司 | Method for directly producing row copper by copper concentrate |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941587A (en) * | 1973-05-03 | 1976-03-02 | Q-S Oxygen Processes, Inc. | Metallurgical process using oxygen |
| CA1190751A (en) * | 1982-06-18 | 1985-07-23 | J. Barry W. Bailey | Process and apparatus for continuous converting of copper and non-ferrous mattes |
| JPS61127835A (en) * | 1984-11-26 | 1986-06-16 | Sumitomo Metal Mining Co Ltd | Blowing method of copper converter |
| CA1322659C (en) * | 1987-03-23 | 1993-10-05 | Samuel Walton Marcuson | Pyrometallurgical copper refining |
| CA2041297C (en) * | 1991-04-26 | 2001-07-10 | Samuel Walton Marcuson | Converter and method for top blowing nonferrous metal |
| US5215571A (en) * | 1992-10-14 | 1993-06-01 | Inco Limited | Conversion of non-ferrous matte |
| US5360204A (en) * | 1993-09-20 | 1994-11-01 | Keibler-Thompson Corp. | Boom and lance for removing slag from crucible |
| AUPM657794A0 (en) * | 1994-06-30 | 1994-07-21 | Commonwealth Scientific And Industrial Research Organisation | Copper converting |
| DE10259434B3 (en) * | 2002-12-19 | 2004-08-26 | Refractory Intellectual Property Gmbh & Co.Kg | Gas purging device for metallurgical melting vessels |
-
2003
- 2003-08-23 CN CNB03826952XA patent/CN100357463C/en not_active Expired - Fee Related
- 2003-08-23 JP JP2005508352A patent/JP4477580B2/en not_active Expired - Fee Related
- 2003-08-23 US US10/566,289 patent/US20060236812A1/en not_active Abandoned
- 2003-08-23 ES ES03818380T patent/ES2279232T3/en not_active Expired - Lifetime
- 2003-08-23 WO PCT/EP2003/009367 patent/WO2005021808A1/en active IP Right Grant
- 2003-08-23 DE DE50306237T patent/DE50306237D1/en not_active Expired - Lifetime
- 2003-08-23 CA CA002539011A patent/CA2539011A1/en not_active Abandoned
- 2003-08-23 EP EP03818380A patent/EP1656464B1/en not_active Expired - Lifetime
- 2003-08-23 AT AT03818380T patent/ATE350500T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003258656A1 (en) | 2005-03-16 |
| EP1656464A1 (en) | 2006-05-17 |
| US20060236812A1 (en) | 2006-10-26 |
| ATE350500T1 (en) | 2007-01-15 |
| CN100357463C (en) | 2007-12-26 |
| WO2005021808A1 (en) | 2005-03-10 |
| DE50306237D1 (en) | 2007-02-15 |
| JP4477580B2 (en) | 2010-06-09 |
| CN1820087A (en) | 2006-08-16 |
| ES2279232T3 (en) | 2007-08-16 |
| CA2539011A1 (en) | 2005-03-10 |
| JP2007515549A (en) | 2007-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2521830C2 (en) | Process for refining heavily contaminated black copper | |
| DE2156041A1 (en) | Process for the continuous smelting and wind refining of copper concentrates and apparatus for the same | |
| DE3621323A1 (en) | Process for producing steel in an electric arc furnace | |
| EP0627012B1 (en) | Process for desulphurising irons melts with minimal slag production and suitable device therefor | |
| DE2941225A1 (en) | METHOD AND DEVICE FOR PYROMETALLURGIC PRODUCTION OF COPPER | |
| DD151077A5 (en) | METHOD FOR PRODUCING STEEL | |
| EP1656464B1 (en) | Method for the pyrometallurgical production of copper in a converter | |
| DE2322604A1 (en) | PROCESS FOR ADDING RARE EARTH AND THEIR ALLOYS TO LIQUID STEEL IN AN INTERMEDIATE VESSEL | |
| EP1627085A1 (en) | Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace | |
| DE3136058C1 (en) | Process for extracting a CO-rich exhaust gas when refining steel melts | |
| DE2155589A1 (en) | Process for producing a molten iron alloy | |
| EP0175924B1 (en) | Process for refining pig iron | |
| DE2803940C2 (en) | Process for vacuum refining high-chromium steels with extremely low carbon and nitrogen contents | |
| DE3245098C2 (en) | Two-stage process for the production of high-quality steels with extremely low P and S contents, which are pre-melted in the converter | |
| DE760239C (en) | Process for making alloy steel | |
| DE2116445A1 (en) | Process for the production of steel | |
| EP0140001B1 (en) | Process and device for the production of steel having an elevated degree of purity and a reduced gas content | |
| DE2747586A1 (en) | METHOD AND DEVICE FOR CONTINUOUS EXTRACTION OF HEAVY METAL PHASES, IN PARTICULAR OF LOW IRON METALLIC CRUDE TIN | |
| DE2259533A1 (en) | BOTTOM BUBBLING FRESHING PROCESS | |
| DE2535339C3 (en) | Cast iron melting process | |
| DE19816408A1 (en) | Process for cleaning slag in an electric furnace | |
| DE19546738C2 (en) | Process for the desulfurization of pig iron melts | |
| EP0877830A1 (en) | Method for separating tin and if necessary copper from scrap melting, specially tinplate melting or metallic melting | |
| AT404023B (en) | Process for removing copper from iron-rich melts | |
| DE1935332C (en) | Refining process for liquid, alloyed pig iron, especially pig iron containing vanadium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20051028 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| DAX | Request for extension of the european patent (deleted) | ||
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
| REF | Corresponds to: |
Ref document number: 50306237 Country of ref document: DE Date of ref document: 20070215 Kind code of ref document: P |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20070404 |
|
| ET | Fr: translation filed | ||
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070604 |
|
| NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
| GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20070103 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2279232 Country of ref document: ES Kind code of ref document: T3 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 |
|
| 26N | No opposition filed |
Effective date: 20071005 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070404 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070831 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070831 Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070831 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070823 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070823 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070103 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070704 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20110829 Year of fee payment: 9 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20110824 Year of fee payment: 9 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20130430 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120823 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120831 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150823 |
|
| REG | Reference to a national code |
Ref country code: SK Ref legal event code: MM4A Ref document number: E 1783 Country of ref document: SK Effective date: 20150823 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SK Payment date: 20180927 Year of fee payment: 16 |
|
| REG | Reference to a national code |
Ref country code: FI Ref legal event code: MAE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190823 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20210823 Year of fee payment: 19 Ref country code: DE Payment date: 20210715 Year of fee payment: 19 Ref country code: BE Payment date: 20210823 Year of fee payment: 19 Ref country code: ES Payment date: 20210917 Year of fee payment: 19 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 50306237 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: EUG |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220824 |
|
| REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20220831 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230301 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220831 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20230929 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220824 |