Electric Resistance Melting Furnace (for the Reduction and Recycling of Valuable Metals)

FEATURES

A smelting furnace for the carbon-reduction recycling of valuable metals, designed to recover copper and precious metals from incineration residues of waste circuit boards, as well as metal oxides contained in byproducts from stainless steel manufacturing processes.

Equipment Features	By submerging an electrode in molten slag, highly efficient melting is achieved through the Joule heat generated directly within the slag. Complete melting of the feedstock inside the furnace allows for easy separation of the metal and slag.
Examples of Use	Incineration residues from electronic circuit boards (gold, silver, copper, lead, tin, etc.) Various types of spent catalysts (white metal-based, vanadium, molybdenum, etc.) Dust from metal melting furnaces and pickling and neutralization sludge (stainless steel-based) Separation of Metal-Containing Slag from Molten Metal (Non-Ferrous Smelting Slag, etc.) Incineration residue obtained by removing the resin content (combustible fraction) from waste circuit boards using existing incinerators or similar facilities Briquetted galvanizing sludge, etc.
Other	Examples of Metal Reduction Reactions Nickel: NiO + C → Ni + CO Chromium: Cr₂O₃ + 3C → 2Cr + 3CO Iron: FeO + C → Fe + CO Iron: Fe₂O₃ + 3C → 2Fe + 3CO Manganese: MnO + C → Mn + CO The reduction reaction described above proceeds inside the furnace, resulting in the recovery of metal from the oxide feedstock. Examples of Valuable Metal Recycling Systems Using Melting Reduction Furnaces A system that recovers metals through smelting and reduction of incineration residues produced by burning combustible components—such as resins—in waste circuit boards in incinerators or similar facilities.

Equipment Features

By submerging an electrode in molten slag, highly efficient melting is achieved through the Joule heat generated directly within the slag.
Complete melting of the feedstock inside the furnace allows for easy separation of the metal and slag.

Examples of Use

Incineration residues from electronic circuit boards (gold, silver, copper, lead, tin, etc.)
Various types of spent catalysts (white metal-based, vanadium, molybdenum, etc.)
Dust from metal melting furnaces and pickling and neutralization sludge (stainless steel-based)
Separation of Metal-Containing Slag from Molten Metal (Non-Ferrous Smelting Slag, etc.)
Incineration residue obtained by removing the resin content (combustible fraction) from waste circuit boards using existing incinerators or similar facilities
Briquetted galvanizing sludge, etc.

Other

Examples of Metal Reduction Reactions

Nickel: NiO + C → Ni + CO
Chromium: Cr₂O₃ + 3C → 2Cr + 3CO
Iron: FeO + C → Fe + CO
Iron: Fe₂O₃ + 3C → 2Fe + 3CO
Manganese: MnO + C → Mn + CO

The reduction reaction described above proceeds inside the furnace, resulting in the recovery of metal from the oxide feedstock.

Examples of Valuable Metal Recycling Systems Using Melting Reduction Furnaces

A system that recovers metals through smelting and reduction of incineration residues produced by burning combustible components—such as resins—in waste circuit boards in incinerators or similar facilities.

MELTING FURNACE

Melting Furnace

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