10V 5000A water cooled rectifier for copper electrolysis

Electrolysis is widely used in metallurgical industries, such as the extraction of metals from ores or compounds (electrolytic metallurgy) or the purification of metals (electrolytic purification), and the deposition of metals from solutions (electroplating). Electrolysis is a very powerful means of facilitating redox reactions, and many redox reactions that are difficult to carry out can be achieved by electrolysis. For example, molten fluoride can be oxidized to monomeric fluorine on the anode, and molten lithium salt can be reduced to lithium metal on the cathode. The electrolysis industry plays an important role in the national economy. The smelting of many non-ferrous metals (such as sodium, potassium, magnesium, aluminum, etc.) and rare metals (such as zirconium, hafnium, etc.) and the refining of metals (such as copper, zinc, lead, etc.), the preparation of basic chemical products (such as hydrogen, oxygen, caustic soda, potassium chlorate, hydrogen peroxide, ethylenedicarbonitrile, etc.), as well as electroplating, electropolishing, anodic oxidation, etc., are all realized by electrolysis.

Electrolytic purification of copper: coarse copper is made into thick plate in advance as the anode, pure copper is made into thin sheets as the cathode, sulfuric acid (H2SO4) and copper sulfate (CuSO4) mixed liquid as the electrolyte. After the current is energized, copper dissolves into copper ions (Cu) from the anode and moves to the cathode, where electrons are acquired and pure copper (also known as electrolytic copper) is precipitated.