refining process for removing antimony
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refining process for removing antimony

Refining process for removing antimony from lead bullion ...

Refining process for removing antimony from lead bullion . United States Patent 4425160 . Abstract: An improved process for refining lead bullion containing antimony, in which the bullion is initially heated in a refining vessel to about 25° F. (14° C.) above the bullion melting point, and is thereafter kept molten primarily by exothermic ...

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US4425160A - Refining process for removing antimony

An improved process for refining lead bullion containing antimony, in which the bullion is initially heated in a refining vessel to about 25° F. (14° C.) above the bullion melting point, and is thereafter kept molten primarily by exothermic process reactions. The process includes the steps of melting the lead-antimony bullion, agitating the bullion, adding caustic soda and metallic

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Removal of Antimony and Bismuth from Copper ...

2018-8-9  Antimony and bismuth are two of the most problematic impurities in copper electrorefining. As a result, much research has been done investigating the ways to remove them. Processes that are currently being used industrially include anode additions, liberators, ion exchange (IX), and solvent extraction (SX). Of these, liberators and anode additions are the

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Separation of Lead from Crude Antimony by Pyro-Refining ...

2016-4-18  In summary, this new pyro-refining process for Pb impurity removal from crude Sb is highly effective, and smoke pollution free, compared with the current processes, which caused by the dehydration of AH 2 PO 4 (A = Na, NH 4) and the reactions between antimony and water vapor. Furthermore, this new process can be combined with the existing ...

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Arsenic and antimony removal from a complex blister

In electrolytic copper refining, the electrolyte is enriched by copper, nickel, arsenic, and antimony during the electrolyzing process. To purify the electrolyte, copper, arsenic, and antimony are ...

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Recovering Bi and Sb from electrolyte in copper ...

The separation of antimony and bismuth in copper electrorefining is somewhat difficult and costly. An ion-exchange technique for the removal of the metals from the electrolyte has been practiced recently, although the metals recovered require further processing. Sumitomo Metal Mining has developed a process to recover antimony and bismuth directly from the eluant by an

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Copper refining - Western Electric Co., Incorporated

In U.S. Pat. No. 3,262,773 a dry refining process for the removal of arsenic, antimony, tin and other acidic oxide forming elements from molten copper is presented by combining the acid oxides of such elements with basic materials such as alkaline earth oxides, in particular calcium fluoride and calcium oxide in the slag.

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Separation behavior of arsenic and lead from antimony ...

2020-5-1  The influence of metallic additives on the removal of As during zone refining process will be ascertained at the end. In both processes, the used metallic additives should have firstly a high affinity to form high temperature intermetallic compounds with As rather than with Sb, as well as they should be able to be removed easily via fractional ...

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A New Pyrometallurgical Process for Producing Antimony ...

2014-6-6  Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial

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A New Pyrometallurgical Process for Producing Antimony ...

They proposed a pyrometallurgical process based on reduction smelting, alkaline refining, and oxidation to extract antimony from antimony dust and produce Sb 2

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Lead and tin removal from antimony metal by refining ...

2017-11-1  Lead and tin removal from antimony metal by refining process with phosphorus compounds Berdikulova F.A. Candidate in Technical Sciences National center on complex processing mineral raw materials of the Republic of Kazakhstan Mazulevskiy E.A. Candidate in Chemical Sciences, National center on complex processing mineral

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Removal of Antimony and Bismuth from Copper ...

2018-8-9  Antimony and bismuth are two of the most problematic impurities in copper electrorefining. As a result, much research has been done investigating the ways to remove them. Processes that are currently being used industrially include anode additions, liberators, ion exchange (IX), and solvent extraction (SX). Of these, liberators and anode additions are the

More

Separation of Lead from Crude Antimony by Pyro-Refining ...

2016-4-18  In summary, this new pyro-refining process for Pb impurity removal from crude Sb is highly effective, and smoke pollution free, compared with the current processes, which caused by the dehydration of AH 2 PO 4 (A = Na, NH 4) and the reactions between antimony and water vapor. Furthermore, this new process can be combined with the existing ...

More

Arsenic and antimony removal from a complex blister

In electrolytic copper refining, the electrolyte is enriched by copper, nickel, arsenic, and antimony during the electrolyzing process. To purify the electrolyte, copper, arsenic, and antimony are ...

More

Modified pyro-metallurgical technology for recovery of ...

2014-5-18  elements by pyro-metallurgical refining process (Environment Agency [2], lead-smelting.html [3] and Jones [4]). 1.1 Pyro-metallurgical refining process (Harris) The first step is to remove copper and the second step is to remove antimony, arsenic and tin. The removal of copper is done by sulfurization of copper. A

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Recovering Bi and Sb from electrolyte in copper ...

The separation of antimony and bismuth in copper electrorefining is somewhat difficult and costly. An ion-exchange technique for the removal of the metals from the electrolyte has been practiced recently, although the metals recovered require further processing. Sumitomo Metal Mining has developed a process to recover antimony and bismuth directly from the eluant by an

More

A New Pyrometallurgical Process for Producing Antimony ...

2014-6-6  Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial

More

A New Pyrometallurgical Process for Producing Antimony ...

They proposed a pyrometallurgical process based on reduction smelting, alkaline refining, and oxidation to extract antimony from antimony dust and produce Sb 2

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Process for removing tin, arsenic and antimony from

1994-7-6  The invention relates to a process for removing tin, arsenic and antimony from molten lead by means of oxygen or oxygen-containing gas mixtures, which is or are blown into the molten lead by means of at least one gas nozzle (2). To avoid damage to the gas nozzle, at least the oxygen outlet region (13) thereof, located in the molten lead (6), is enveloped by an inert gas.

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Process for removing impurities from zone refined ...

A zone refining process for removing impurities from an elongated ingot having a segregation coefficient less than one, which process includes the steps of: 2. The process defined in claim 1 wherein said material is electronic grade semiconductive material.

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Lead and tin removal from antimony metal by refining ...

2017-11-1  Lead and tin removal from antimony metal by refining process with phosphorus compounds Berdikulova F.A. Candidate in Technical Sciences National center on complex processing mineral raw materials of the Republic of Kazakhstan Mazulevskiy E.A. Candidate in Chemical Sciences, National center on complex processing mineral

More

Removal of Antimony and Bismuth from Copper ...

2018-8-9  Antimony and bismuth are two of the most problematic impurities in copper electrorefining. As a result, much research has been done investigating the ways to remove them. Processes that are currently being used industrially include anode additions, liberators, ion exchange (IX), and solvent extraction (SX). Of these, liberators and anode additions are the

More

Refining of Antimony - Steel knowledge - Steel grades ...

Refining of Antimony. Antimony removal of coarse impurities, output of pure antimony metallurgical process, as an important part of antimony smelting process.Different antimony smelting method of coarse impurity content difference is bigger, such As antimony sulfide precipitation output of crude antimony smelting iron ore concentrate is high ...

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How to Remove Arsenic, Antimony Bismuth from Copper

2017-2-6  A variation of the usual plan of purifying copper by scorification is described by Dr. E. D. Peters as follows: “ The addition of 3 to 5 per cent, of pure white metal—subsulphide of copper—to the bath at the beginning of the refining

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Belmar Technologies - Antimony Bismuth Removal

During the copper refining process, impurities in the anode dissolve into the electrolyte or form anode slimes. When arsenic, antimony and bismuth enter the electrolyte, they can undergo a number of different reactions depending on their

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Process for removing tin, arsenic and antimony from

1994-7-6  The invention relates to a process for removing tin, arsenic and antimony from molten lead by means of oxygen or oxygen-containing gas mixtures, which is or are blown into the molten lead by means of at least one gas nozzle (2). To avoid damage to the gas nozzle, at least the oxygen outlet region (13) thereof, located in the molten lead (6), is enveloped by an inert gas.

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method of refining antimony - alkoholizm-filmy

Refining process for removing antimony from lead bullion , Jan 10, 1984 Conventional methods of refining lead bullion containing antimony have included the use of refining reagents such as air, oxygen-enriched air, lead oxides, nitre and caustic, and aluminum, at high temperatures in excess of 1100° F (600° C) ...

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(PDF) Processing of Antimony at the Sunshine Mine

2021-11-29  Big Creek Road. KeIIogg, Idaho 83837. 208-7 83- 1 2rr. FAX 208-783-121I EXT, 202. Abstract. Antimony has been utilized by mankind for thousands of. years. However, due to recent environnental ...

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Removal of electrolyte impurities from industrial ...

2021-4-3  This process is carried out in two stages and the results show that on average Cu, Ni, Fe, Pb and As are removed from the copper electrolyte, 82.1%, 91.8%, 92.4%, 87.2% and 46.5%, respectively. This paper explores the possibility of removing dissolved metal impurities from industrial copper refinery electrolytes by green crystallization approaches.

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Copper Refining Electrolyte and Slime Processing ...

Copper electro-refining (Cu-ER) is the principal method for producing >70% of high or 99.97% pure copper cathodes from 97-99% pure blister/fire refined-scrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge, other soluble impurities, particularly the metalloids (group VA/15 elements or Q: As, Sb and Bi) and some transition

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