Acidal Wastewater Treatment Technology for Aluminum Profiles-WJW Aluminum Supplier Aluminum
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Author： WJW Aluminum Window Manufacturers
The acidic wastewater consumption of aluminum profiles first comes from the acid erosion process, neutralization, oxidation process, spray pre -displacement oil, pickling and other processes of oxide workshop. The quality score of acid is not the same, lower than L%, and higher than L0%. Alkaline wastewater first comes from the alkali erosion and spray -in -the -alkali washing of alkali washing in the workshop. The quality score of alkali is higher than 5%, and some are lower than L%. Spraying and dyeing also occur in waste water. In the wastewater, in addition to being rich in pH, it is often rich in oil, paint, fluorine salt, and other inorganic objects and organic matter. The acid -alkali wastewater is strongly corrosive, and it is necessary to be arranged by proper managers. The general principle of managing acid -base wastewater is: High -concentration of acid -base wastewater, you should give priority to recovery and use. According to the water quality, water volume, and different technical needs, try to use it repeatedly: if it is difficult, or the concentration is low, the water volume is large, and the water volume is large. The concentrated method can be used to recover the pH. Low -concentration of acid -alkali wastewater such as clean water of acid washing grooves and drift water of alkaline grooves should stop neutralizing disposal. Regarding neutralization, the principle of waste should be considered first. Such as acid and alkali waste water to neutralize or use waste alkali (residue) neutralized acid wastewater, use waste acid neutralized and alkaline wastewater. When there are no these conditions, you can choose a neutralizable treatment.
