We know that the PCB manufacturing process involves some chemicals and processes, involving many processing technologies, chemical raw materials and a large amount of water resources, which will produce a large amount of wastewater, a wide variety of wastewater and difficult to treat wastewater. However, modern PCB manufacturing technology is increasingly focused on environmental protection and sustainability in an effort to reduce the negative impact on the environment. Therefore, how to thoroughly carry out PCB wastewater treatment is the top priority of every enterprise.

The principle of chemical precipitation treatment of PCB wastewater is: by adding a precipitating agent, the metal ions in the wastewater transfer position or change the existence form. Although metal ions cannot be decomposed and destroyed, they can be changed by precipitation. For example, neutralization precipitation treatment, barium salt precipitation treatment, sulfide precipitation treatment and ferrite precipitation treatment are the use of different precipitating agents and metal ions reaction, to produce insoluble precipitating substances.

In the chemical precipitation method, the use of suspension blowers (usually including airfoil bearing blowers and magnetic suspension blowers) to replace Roots blowers and multistage centrifugal blowers for air aeration can make wastewater treatment more efficient and thorough. Oxygen in the air can be quickly dissolved into the wastewater, quickly providing the necessary oxygen for the microorganisms in the wastewater. In addition, the stirring effect generated by the uniform flow rate and flow rate of the magnetic levitation blower makes the wastewater and activated sludge fully mixed, without sudden changes, and is not easy to surge, which can well promote the degradation of organic matter by microorganisms.

Airus turbo blowers are favored by PCB industry customers all over the country, which can save customers about 30% of the power cost at the same time, the maintenance cost of the equipment is also reduced. The consumables are only filter cotton, no additional expenditure, and the product life is greatly extended.

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