• Electroplating wastewater and reuse

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  • Series: electroplating wastewater treatment and reuse
  • Update: 2012/6/20
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Overview
The electroplating industry is an important processing industry, its products are widely used in various industries, electroplating industry is today China's three in one of polluting industries, its production process to produce a large number of nickel, chromium and other heavy wastewater to the environment serious pollution. According to statistics, electroplating enterprises in China has reached more than 20 000 up to 400 million tons annually to the environment, wastewater discharges. With the implementation of national sustainable development of macroeconomic policy, and to achieve sustained economic growth, the scarcity of water led to rising water prices electroplating enterprises looking for a new technology, new technologies meet the policy requirements of the State Environmental Protection electroplating wastewater recycling. System Features
The electroplating discharge wastewater reuse system, the total recovery of more than 75% recycling of wastewater through a wastewater recycling system, so you can save more than 75% of wastewater sewage charges.
The system not only to save the limited water resources so as to reduce the consumption of water resources to ease the increasingly prominent water stress contradictions, but also reduce the discharge of sewage, reducing the pollution of the surrounding water bodies, to improve the human living environment. In coastal areas affected by the salt tide of instability in the tap water or groundwater quality will affect the quality of electroplating products, using the system, stability of the recycled water quality, the user does not need to worry about changes in the raw water quality impact on product quality. Up to 75-95% recovery rate of the system, the factory will not affect the normal production due to lack of water in the dry season water shortages. The treated effluent can meet the electroplating water standards, the following table

                                                                                           

project              pH wastewater              reuse water                  
PH              2.5-6.5              6.5-7.5                  
COD              <200mg / L              <5mg / L                  
conductivity              ≤ 3000 ~ 5000μs/cm              ≤ 30μs/cm                  
copper              <100mg / l              <0.05mg / l                  
Nickel              <10mg / l              <0.05mg / l              

 

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