Anodizing wastewater is widely used in electroplating industry. Usually, in order to have better surface characteristics and gloss, most of metal components such as aluminum parts need to undergo anodization treatment process, and the surface is covered with a dense and glossy metal oxide film, such as nickel film etc.
In the process of anodization, the metal to be plated, such as nickel, is usually used as the anode, and the metal member to be plated, such as aluminum, is used as the cathode. After the metal to be plated at the anode loses electrons to become nickel ions by electrochemical method, Under the action of the electric field, it is covered on the plated metal member, so as to complete the electroplating process of the plated metal member. After anodizing, the metal surface of the plated part needs to be sealed. These wastewaters appear dark and dirty in appearance and require proper treatment before discharge. For its deep color, it can be pretreated and decolorized by spotting anodizing wastewater decolorizer, which is more conducive to the subsequent water treatment process. Anodizing wastewater mainly contains acid-base, phosphate, grease and trace nickel metal ions in the sealing process.
These wastewaters are directly discharged without treatment, which will cause serious environmental pollution problems. Checking out the decolorizing agent for anodizing wastewater can achieve what the company wants: rapid decolorization without color loss, precipitation of color-containing flocs, degradation of COD, neutral effluent, and low treatment costs. It belongs to organic macromolecule compound polymer and belongs to flocculation and decolorization water treatment agent. Compared with many decolorization processes and processes, the dosing process of anodizing decolorizers is simple and adaptable. And it is easily soluble in water, with less sludge, and can be used in factories without secondary pollution.
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