(PDF) Reducing agents in fire refining of copper — analysis of the

Briefly, fire refining consist of the stage of oxidation of impurities and their removal to the slag phase, followed by the reduction of copper oxide in order to obtain the copper anodes...

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A New Copper Scrap Fire-Refining Concept for Strengthening Arsenic

Arsenic control in the copper-making industry is an important topic, and it is essential to develop new fire-refining technologies for As removal from copper scrap or blister …

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(PDF) Reducing agents in fire refining of copper — …

Briefly, fire refining consist of the stage of oxidation of impurities and their removal to the slag phase, followed by the reduction of copper oxide in order to obtain the copper anodes...

WhatsApp: +86 18221755073

Achieving industrial-grade purity in recycled copper scrap

study conducted on copper scrap, taking advantage of the low impurity levels inherent in the scrap (particularly sulphur), undergoing fire refining with the integration of a simple pretreatment …

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Fire Refining Process

In 's Outotec Fire Refining Process, the hot blister copper is charged into an anode furnace for purification. The refining is carried out in batches where the necessary oxidation and …

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Fire Refining Process

In 's Outotec Fire Refining Process, the hot blister copper is charged into an anode furnace for purification. The refining is carried out in batches where the necessary oxidation and reduction stages are used to purify the copper.

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12.3 Primary Copper Smelting

Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and …

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Copper fire-refining

Fire refining of bhster copper is achieved by oxidation, fluxing, and reduction. The copper is partially oxidized by blowing air into the fire-refining furnace, where the copper oxide and the …

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A New Copper Scrap Fire-Refining Concept for Strengthening …

Arsenic control in the copper-making industry is an important topic, and it is essential to develop new fire-refining technologies for As removal from copper scrap or blister …

WhatsApp: +86 18221755073

How Copper Refining Works: Processes and Techniques

Discover how copper refining works, from smelting to electrolytic refining. Learn key methods to achieve 99.99% purity with expert analysis from Ledoux & Company.

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WO2016177936A1

Blister copper produced in converters or direct to blister furnaces must be purified of sulfur and oxygen before it can be cast to anodes. This is done in anode furnaces (AF) in a process …

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Method of continuous fire refining of copper

Fire refining of blister copper is carried out in stationary reverberatory or vascular furnaces, called anode furnaces due to the most common casting of refined copper in the form of...

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CONTINUOUS FIRE REFINING OF BLISTER COPPER

Continuous Fire Refining of Blister Copper degasification – liberation of sulphur dioxide. Oxidized copper gathers on furnace hearth separating from refining slag. The copper flows out trough …

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